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Eric Lam
Newbie
NSW
SC-400 V8 Stock

Posts: 2
Reg: 02-2012

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Monday, February 13, 2012 - 04:22 pm, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi all,
A very green horn to the automotive world and currently based in Newcastle.

Got my first car and it is this dark green soarer (UZZ31). Loving it to bits but also a little desperate to learn more about it. As a first time car owner I am still a super green horn to what is what in terms of mechanics and though reading through soarer central has given me some additional knowledge, I think I really need someone to show me the ropes.

Got the car in June 2011 at Cardiff, 158000km on it. Immaculate exterior conditions and interior. Only driver side shows signs of wear over time. The car is my daily driver to work so I think I am putting higher mileage on it than the previous owner (already at 172000km now). Already had 2 services and so far no major concerns other than getting the cooler grill fixed and changing the front 2 tyres to new sets due to balding.

Unfortunately both front and rear tyres are different in profile so I cant swap them around. Plus on the 2nd service, I found out that the rear tyres are 2005 so i think I definitely need to be changing them soon.

things I need to know soon.

1) Wheel pressures: What are the recommended?
My fronts are Kumho 245/40 18inch,
My rears are Kumho 265/35 18 inch.

currently I am putting them on 34psi. Front tyres seem to have been holding well after about 10,000Km
I have had once fish tailed when I turned a corner a little too fast on a wet day (about 45km/hr) Anywhere below 35 is fine wet or dry.


2) I need to find a good mechanic in Newcastle if possible. I think my rear suspensions are starting to play up.
I don't use the switches much. Had always been on normal. However ever since my batteries ran flat over christmas break when I was away, the rear seems to be sitting on higher than normal, with twice locking up at full extension, causing the whole car to hop.
The only way was for me to bleed the air out via the 2 things in the boot, to the right of the fuel tank. I don't even know what they are called. But essentially, I take off the white clips, and pinch the silver wire and carefully nudge the hose out, leading to huge whoosh of air and the car settling down.
Once this happens the car resumes to a very smooth ride....

Until if I hit some hard bumps or going past speed bumps too fast (25-30) seems to be sufficient to cause the rears to go higher and become stiffer..

I am really hoping to get this sorted out.

Future aims:
-Better brake system? Think the current one is good...but will see.
-Lowering the rears a little more? Would like ideally this to sit at about 1.5 inch between tyre and body arch... currently its about 3.5 normal, and 4-5inch when it locks.. making my car look very funny like a drag car :-(
I don't need them to sit super low like arch covering over wheels kind of low.
-LSD? (better handling, not sure if this is possible if I want to keep the air suspensions.
-modification for air intake (the BFI)
-exhaust (within spec) for a better note.
-MP3 player of some sort.. currently running a radio transmitter >.<


All advice and recommendations appreciated.
Eric Lam
Newbie
NSW
SC-400 V8 Stock

Posts: 3
Reg: 02-2012

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Monday, February 13, 2012 - 04:25 pm, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I'll add some photos in later.

so far I had got myself a polisher and did some self polishing and waxing... think it got rid of the swirls but not the fine scratches...
either that or I am not doing it correctly..
Matthew Sharpe
Goo Roo
North Island
JZZ31

Posts: 6585
Reg: 10-2005

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Tuesday, February 14, 2012 - 10:49 am, by:  Matthew Sharpe (Madmatt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

You could probably stand to run those tyres a bit firmer - maybe 38 psi or so - but really its personal preference - 34 is OK.

Seen quite a few UZZ31's with height problems - I think its usually a height sensor fault - one of the guru's here will send you in the right direction I'm sure. Might be as simple as resetting everything by disconnecting the battery for a while.
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 6
Reg: 02-2012

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Tuesday, February 14, 2012 - 11:58 am, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi Matthew,
Thanks!

hopefully.
The problem started when my battery went flat over a 2 week period so that is a reset i guess..

But then since I recharged and the problem occurred, I have only done ECU reset by unplugging the fuse in the front passenger side fuse box area.

Not sure how the setting for high and low in the soarer works (factory default setting?).
I am wondering if I set it to normal, bleed the valves to the correct height, then disconnect the battery overnight, will the system then set that as the default normal height? .. hmm will post this thought into the post I made over in suspensions and see what responses I get.

Thanks again :-)
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 7
Reg: 02-2012

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Wednesday, February 15, 2012 - 09:28 am, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

A photo of my car...
http://www.flickr.com/photos/bluemonkey08/6877665749/
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 12
Reg: 02-2012

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Sunday, February 19, 2012 - 12:25 am, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Upload


The suspension got a little high today again.
as you can see this is not the full lock bit.. still runs ok on the road but I can feel all the bumps and not too comfy.


had to bleed the valves again to halve the height from tyre to body arc
Dan McColl
Goo Roo
Victoria (The Nazi State)
Pretty Red Thing and The Black Rattler

Posts: 3277
Reg: 07-2005

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Sunday, February 19, 2012 - 10:22 am, by:  Dan McColl (Hoon) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Disconnect the battery for 10 mins to reset the ecu.
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 13
Reg: 02-2012

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Sunday, February 19, 2012 - 01:47 pm, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi Dan,
Should I bleed and disconnect?

I have had the car rested for about 4hours as typing so will go and give it a go. Thanks :-)

Regards
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 40
Reg: 02-2012

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Friday, May 25, 2012 - 12:03 pm, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Just some quick update:

had my timing belt done mechanic says it was one of the worst belt he has seen and he owns the same model of soarer O.o...
177000km and it looked like

Upload


On another note, we still havnt got the suspension sorted out... the mechanic has tested rods (changed to straight ones), changed his own ECU over, airbags have no leaks,
So still not sure what is wrong... could be cable fault but that is going to take a whole heap of time to test...

So for currently, I have lock the air suspension in the boot, and manually set my ride height using the thing on the left side in the boot.
2.5 fingers high for front, 2 fingers for rear.
Cant do lower as I would be scraping the front lips reaaaal bad :-(
Driving fine for about a month now....

One question I would like to find out.
what would be the screw sizes to hold the plastic guards in front of the front tires?

I heard some scraping sound from the front left when I am doing a turn with full lock to the right
I'm on 245/35/18 for the fronts.
Upon checking, I found that the guards are a bit loose and 1/2 screws were missing...
thanks
John Street
TryHard
NSW
UZZ 31

Posts: 223
Reg: 08-2005

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Friday, May 25, 2012 - 02:20 pm, by:  John Street (Rex2ce) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Eric, who is the mechanic that you use in Newcastle?
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 41
Reg: 02-2012

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Friday, May 25, 2012 - 03:33 pm, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Darby Street Automotive.
The big open air mechanic on darby street in town.

They have a few mechanics and the one who owns the Soarer is Peter.. Think he is Peter Lang on Soarer central here.

I have also noticed over the past couple of weeks that there is another soarer (white, 91 v8 lowered, black-red-rims wheels) parked at Midas along darby street. Seems to be driven by a younger bloke..probably a mechanic over at midas.
John Street
TryHard
NSW
UZZ 31

Posts: 224
Reg: 08-2005

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Friday, May 25, 2012 - 04:11 pm, by:  John Street (Rex2ce) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Peter used to take his car to a place in Charlestown near the BP, so dont think it is him
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 42
Reg: 02-2012

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Friday, May 25, 2012 - 04:20 pm, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

hmmmmmmmmmm
John Street
TryHard
NSW
UZZ 31

Posts: 225
Reg: 08-2005

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Friday, May 25, 2012 - 04:24 pm, by:  John Street (Rex2ce) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Eric, you need to check the operation of the "High / normal" switch, it has a flimsy "finger " thing under it which pushes the switch from side to side, on my car this was broken, leaving the suspension on "high" and pushing the button to normal obviously did nothing
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 43
Reg: 02-2012

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Monday, May 28, 2012 - 07:26 am, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi John,
Yeah we did that.. the old one did work as far as I know... it was like on normal, my car looked like track car (as above)... on high, it looked like a pro super track car...

The tems switch had problems though... and the power gear switch wasnt plugged in....

So i ordered a new set of switches from Daniel..all switches have distinct clickings, both TEMS and ECT working well....
Suspension still having problems... :-(

Thanks for the info too! :-)
Peter Lang
Tinkerer
nsw
uzz31 soarer

Posts: 96
Reg: 07-2005

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Monday, May 28, 2012 - 10:34 pm, by:  Peter Lang (Langy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yes im working in darby st now ,erics car had the worst t belt and dissy rotors ive seen for years,cant believe it didnt break down!
I used to get my wheel alignment done by mark hancock automotive at charlestown cause he always had it perfect,think he's at gateshead now.
Would like to help eric sort out the suspension issue ,we have ruled out most things ,I woulnt be suprised if there was an aftermarket height controler hidden in there somewhere!
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 45
Reg: 02-2012

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Monday, June 25, 2012 - 10:09 am, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Sob Sob....

went to syd to visit some friends over the weekend...
Parked on kerbside (Marsden Rd, Eastwood) and watched my car got side swiped by another causing scratches to the rear right bumper and rear side panel... with a section about the size of a 10cent coin seeing bare metal.

Interestingly, there were no dents, wheels and exhaust is fine, rear lights are ok, no visible misalignments of panels or structural damage...

the other guy's car's left front panel was all dented in.
Paul Drane
Goo Roo
QLD
V8 Limited

Posts: 1157
Reg: 07-2005

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Monday, June 25, 2012 - 01:26 pm, by:  Paul Drane (Paulwd) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I used to have issues with the suspension raising itself years ago with my old height controller.
It was a field unit and when I swapped it over to a Data spec one, problem sorted.

If Erics car doesnt have a aftermarket controller fitted, I would try swapping the factory unit over and see if that helps.
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 46
Reg: 02-2012

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Monday, June 25, 2012 - 03:27 pm, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thansk Paul :-)

have been manually adjusting my heights on the go using the 2 wires and the port in the boot...

As a daily driver it is fine with 1 adjustment and last me for days, weeks.

Over the weekend, I had to make adjustments everyday because I drove different weights
1) Luggage in cargo, 1 passenger plus me...
(on the old setting, the rear guards are touching the tyres... so I had to lift it)..

2) after my friend left, I had to drop it...

3) then later in the night fetch another 2 out for dinner and had to raise it a little again LOL.
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 48
Reg: 02-2012

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Thursday, July 05, 2012 - 11:01 am, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

BAHHHHHHHH
Ok despite former warnings I think I have shorted something in the suspension control system :-(

My suspension has had been having some problems leveling properly....So I switched the system off in the boot.

I have been setting the heights manually through using the 2 pieces of wire and through the pin config bit in the lower left corner of the boot...

Last night, I was trying to raise the rear's a little due to a full tank of petrol causing it to sit a little too far down.

had the car running,
I plugged the first wire into 1 (batt) and 4 (rear right),
then I plug the tip of the other wire into 1(batt) and in horror accidentally pushed the other end of the tip into 8 (earth).

the car is still running, but now if i plug the tip into the correct positions 1+4, 1+7, the pump does not operate...
neither does it release the air pressure if i put 1+6

I restarted the car etc but still didnt work.

does this mean that I have shorted something? and if that is the case what would I have to change?

If I use the normal switch (left side of boot near the top), the pump still runs and raises the rears... and I have to pull the inlet hoses near the valves right of the fuel tank to release the pressure.
Alistair David
TryHard
VIC
soarer TT

Posts: 374
Reg: 12-2006

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Thursday, July 05, 2012 - 11:20 am, by:  Alistair David (Aldmo87) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I don't have airbags so not sure what port you were shorting wires on. But I would suggest you check the fuse that it's wired into.

I reckon that will fix your problem for sure.

Also worth getting a set of shocks and springs.

Budget $800 but I wouldn't be spending money on the airbag setup, especially considering one of the bags is likely to fail any time now. An
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 49
Reg: 02-2012

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Thursday, July 05, 2012 - 11:36 am, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi Alistair,
thanks :-)
yeah sounds like a good idea to start getting ready..
though I will miss the smoother ride lol..

Hmm ok will have to go hunt for where the fuse is.
Thanks!
Alistair David
TryHard
VIC
soarer TT

Posts: 375
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Thursday, July 05, 2012 - 01:07 pm, by:  Alistair David (Aldmo87) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I reckon the fuse will be in the engine bay. Probably marked TEMS or SUSP or something like that.

But the best outcome would be that your back to manually adjusting the setup.

Go for the shocks I reckon. If you can't afford them then just save up till you can and do it yourself.

A full set of standard height springs is $380 from Aurorasprings (google it) and shocks can be had from numerous places, I wouldnt even bother pricing them in AUS, just go direct to the US. places like Auto parts warehouse (google it) and just remember your suspension setup is identical to the Lexus SC300/SC400, the only one different is the UZZ32 but these were never sold in the US so everything you find marked for an SC300 will be compatible.

Prices for KYB shocks are about $65 each, plus the boots and bumpstops etc. To a total of about $100 each plus shipping.
Paul Drane
Goo Roo
QLD
V8 Limited

Posts: 1161
Reg: 07-2005

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Thursday, July 05, 2012 - 05:09 pm, by:  Paul Drane (Paulwd) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Probably blown the 20 amp fuse in the drivers footwell.
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 50
Reg: 02-2012

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Friday, July 06, 2012 - 08:30 am, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks Alistair and Paul.

I found the fuse in the engine bay... have to look at the fuse in the footwell (havnt explored that area before).

The height I am at is ok and drives well for now (all sides about 3cm arch to tyre)...
Only thing is when I have passengers then it goes too low and rear arches touches the tyres when i go past bumps.

Will update if that can be sorted...

reading up on shocks, springs and coilovers lol.. everything is quite new to me. Good to have soarer central info :-)
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 51
Reg: 02-2012

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Friday, July 06, 2012 - 12:16 pm, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

OK Have read the wiring diagrams documents and know which fuse to target
See image here:
http://www.soarerworld.com/forum/showthread.php?t=29461

it is the 2nd yellow 20A fuse below that Aqua/Green boxy thing (Engine Main Room to COWL wire) on the left...

Hopefully I have the tools and enough contortionism in me to get down to the footwell panel lol
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 52
Reg: 02-2012

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Friday, July 06, 2012 - 11:06 pm, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Update:
As I was driving to get the fuse after work, I also noticed my TEMS indicator on dash not on... Even though the TEMS Switch is put to on....
Cant feel much difference when I switch the switch back and forth (usually can hear a click in the back and can feel the car being less bouncy).

Moved driver seat back, peered under at footwell area.
didnt even need to pull carpet back... the suspension yellow 20A fuse is easily accessible.

Got my fuses...
Needed the fuse puller from the main fuse box in engine bay to help pull fuse out. replaced that fuse, and the one above (cos it looked a bit dark).

Also replaced Suspension fuse 60A one in the engine bay..

Started car... VOILA! TEMS light on dash came on.
Was raining hard so I drove back then tested with wires in the rear...
I HAS GOT MANUAL SUSPENSION CONTROL BACK!!!

:-)

Thanks for the ideas and help guys :-)
Alistair David
TryHard
VIC
soarer TT

Posts: 378
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Friday, July 06, 2012 - 11:42 pm, by:  Alistair David (Aldmo87) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

thought that would fix it.

But now I guess your back to trying to find out why the car doesnt auto level. Post up in the suspension section, plenty of gurus around who can help you diagnose the problem.
Paul Drane
Goo Roo
QLD
V8 Limited

Posts: 1166
Reg: 07-2005

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Saturday, July 07, 2012 - 07:35 am, by:  Paul Drane (Paulwd) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I would say now that the obvious place to start would be the suspension computer, or you have one or more faulty height sensors, they are generally pretty good but have been known to play up.
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 61
Reg: 02-2012

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Thursday, September 20, 2012 - 10:44 am, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Some updates.

Have recently swapped out both rear suspension height sensors (Thanks to Daniel for supplying).

Car's over-pumping issues seem to have gone for now. Responding well to changes in weight (eg more or less people in the car, the pump vents or pumps).
Normal and High settings does change the height.

However, it seems the rear are still about 1-2cm higher than what I would like it to be so maybe it is time for rod adjustments.

I did try to untwist the nuts on the rods before but it wont budge :-(


Have also made some prototype of relay switch to plug into the rear manual height adjustment port so that I can now manually set my heights via switches rather than having to plug wirepins in. :-)
Will have some images up after everything is finalised and set up.


On another note,
Mechanic working on the car plugged his equipment into the diagnostic port and said there was no power and hence he cannot register anything....
Not too sure what does this mean...Does anyone have any ideas?
Rob Smith
Tinkerer
nsw
soarer gt TT

Posts: 37
Reg: 08-2012

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Thursday, September 20, 2012 - 09:37 pm, by:  Rob Smith (1jbob) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

hey mate, im from the newy area myself tho my soarer's off the road due to terminal gearbox failure( is now becoming a manual :-)).

as for the tyre i know is a bit late but ild be running closer to the 40-42 in them, but if 34 is working alright leave it there just watch the edges of tyre's and make sure there not wearing faster then the center

if both edges wear faster means under inflated if center wears faster means over inflated if one edge wears is usually wheel aliment, also caused from lowering and increaseing camber
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 62
Reg: 02-2012

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Thursday, September 20, 2012 - 11:29 pm, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi Rob,
Yep Thanks for that info!
I got exactly as you described..
When I got the car it was on 34-36psi...
Front tyres (about 35-40%) outer edge wore out within 6 months of normal driving (about 10k km)

When I put new tyres on, I found out abt the PSI and have been using 41-42 since.
have now run about another 20K kms and still pretty good thread wear (maybe 60-70% left)
:-)
Rob Smith
Tinkerer
nsw
soarer gt TT

Posts: 38
Reg: 08-2012

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Thursday, September 20, 2012 - 11:58 pm, by:  Rob Smith (1jbob) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Good to hear, you probly noticed better fuel economy as well It's amazing the difference a few psi makes
Eric Lam
Tinkerer
NSW
SC-400 V8 Stock

Posts: 63
Reg: 02-2012

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Friday, September 21, 2012 - 07:09 am, by:  Eric Lam (Bluemonkey) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

yes!
My mate who was driving my car for a bit was running at 38psi and was complaining about that he couldnt hit 10L/100km.... and he was a less heavy foot than I am (not that I am thaat heavy).

put the pressure back up to 41-42, bingo...distinct slight improvement running along the same route.

We just had a minor servive (engine oil and filter change) at 8500km.
consumption on highway went from about 12L/100km to about 9.8L/100km (first run)...
No wonder the guys here advocate oil change at 5000km :-)

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