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Jake Purches
Newbie
Sussex
TT and V8

Posts: 4
Reg: 02-2008

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Wednesday, March 12, 2008 - 09:16 pm, by:  Jake Purches (The_prof) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Just replaced the radiator on my V8. I had another coolant leak and my car started to over heat, so I shut the engine down and coasted to a stop at 2am this morning. I tried to restart the engine but it won't and still will not start the next day AT ALL - just turns over - no sign of life. Very strange as there is no real major loss of fluid or anything obvious. Had to have it towed home. I checked the fuses under the bonnet and all seem well. Coil packs replaced recently - if it were one then half the engine would start. It must have something to do with the engine getting hot. Any ideas?
Peter Nitschke
JunkFilterer
South Australia
UZZ30 UZZ31

Posts: 8965
Reg: 11-2004

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Thursday, March 13, 2008 - 04:10 am, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Not unless the coolant has saturated something to do with the electrics. Can you test to see if you are getting a spark? Hold a spark plug lead close to some metal on the engine, or use an old spark plug in it.
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 3134
Reg: 03-2006

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Thursday, March 13, 2008 - 06:11 am, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Do the 1UZ's have a fail safe mode they go into? IE, If its too hot, the engine wont restart?>
Dave Hart
Goo Roo
Waikato
UZZ32

Posts: 1262
Reg: 08-2005

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Thursday, March 13, 2008 - 06:42 am, by:  Dave Hart (Davyboy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Daniel Clarke wrote on Thursday, March 13, 2008 - 06:11 am:

Do the 1UZ's have a fail safe mode they go into? IE, If its too hot, the engine wont restart?>



If you can find that I'll show my arse in Coles window. Er no I won't but I'll forever be in your debt.
Peter Nitschke
JunkFilterer
South Australia
UZZ30 UZZ31

Posts: 8968
Reg: 11-2004

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Thursday, March 13, 2008 - 07:27 am, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Even if they did, it shouldn't stop it starting once it has cooled down again.
Dave Rose
TryHard
wa
uzz31 v8

Posts: 308
Reg: 03-2007

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Thursday, March 13, 2008 - 11:04 am, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Does it sound the same when the engine turns over?
Jake Purches
Newbie
Sussex
TT and V8

Posts: 5
Reg: 02-2008

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Thursday, March 13, 2008 - 12:03 pm, by:  Jake Purches (The_prof) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

The engine turns over somewhat slowly. It doesn't sound too good to be honest. Like it has no compression. Could be imagining that. You see the engine was fine until I saw the temperature rise, so to stop it over heating I just switched it off and coasted about a mile before I found somewhere to stop. From then on it wouldn't start and still doesn't start.
Where is the ECU or the Igniters?
Dave Rose
TryHard
wa
uzz31 v8

Posts: 309
Reg: 03-2007

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Thursday, March 13, 2008 - 05:36 pm, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

This is a long shot....maybe your water pump locked up ? belt off or snapped? just check your camshafts are turning ....???..how hot did it get on the gauge.
Dave Hart
Goo Roo
Waikato
UZZ32

Posts: 1264
Reg: 08-2005

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Thursday, March 13, 2008 - 06:58 pm, by:  Dave Hart (Davyboy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

No compression or timing belt broken would make the engine turn over a lot easier wouldn't it?
Luke Barnes
TryHard
Queensland
GT Limited V8 UZZ31

Posts: 118
Reg: 05-2006

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Thursday, March 13, 2008 - 07:09 pm, by:  Luke Barnes (Noddy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

thats what i would have thought. mabey the battery isn't giving enough power to start the car and run the computer??? ie, flat battery. I know its a problem with commodores.. only they go click and don't wind over at all.
Jake Purches
Tinkerer
Sussex
TT and V8

Posts: 6
Reg: 02-2008

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Thursday, March 13, 2008 - 09:19 pm, by:  Jake Purches (The_prof) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I will look into the battery one - maybe your right. The temperature got to 3/4 on the guage by the way.
Dave Rose
TryHard
wa
uzz31 v8

Posts: 310
Reg: 03-2007

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Thursday, March 13, 2008 - 09:57 pm, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Dave.. i recon if 5 or 6 cylinders with valves closed (which would be the case) you would a have a compression stroke every stroke?
hard work for the starter.
as i said its a long shot, hope its not the case
Jake Purches
Tinkerer
Sussex
TT and V8

Posts: 7
Reg: 02-2008

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Friday, March 14, 2008 - 06:21 am, by:  Jake Purches (The_prof) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

is the engine an interference design? Is it buggered if the cam belt has broken?
Dave Rose
TryHard
wa
uzz31 v8

Posts: 311
Reg: 03-2007

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Friday, March 14, 2008 - 10:55 am, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Jake yours is a 93 ..non interference, just take off the pass side cambox (2min job) just check the belt.....probably it will be ok .
Jake Purches
Tinkerer
Sussex
TT and V8

Posts: 8
Reg: 02-2008

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Friday, March 14, 2008 - 10:33 pm, by:  Jake Purches (The_prof) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have found the problem - my cam belt has broken.
Hopefully its 'just' a cam belt change.
Strange how it broke when I switched it off. Must be a coincidence.
Thanks for the pointers chaps!
Luke Gomer
Goo Roo
Dorset
Uzz31 LTD

Posts: 188
Reg: 07-2005

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Friday, March 14, 2008 - 11:02 pm, by:  Luke Gomer (Luke) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

That does not sound too good.

The water pump might as well be replaced at the same time since it is a belt off job too and may just have been the reason for the belt failure if it had seized (?).
Miles Baker
Goo Roo
Vic
66 Mustang GT Convertible, 55 Chevy Bel Air, 69 Firebird 455, 73 Corvette 4sp T-Tops

Posts: 1224
Reg: 08-2005

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Friday, March 14, 2008 - 11:48 pm, by:  Miles Baker (Milesb) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Water pump will be seized. Probably crapped out the bearing and ran super hot. After you turned it off, the bearing and shaft solidified. Next time you hit the starter, belt snapped.

Dave Rose. Win!
Dave Rose
TryHard
wa
uzz31 v8

Posts: 313
Reg: 03-2007

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Saturday, March 15, 2008 - 05:00 pm, by:  Dave Rose (Sand_groper) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Jake sorry to hear its bust , they seem to go as you take your foot off the gas ...your belt was red hot and starting to melt as the pump was locked ...only use Toyota red coolant when you get it all together again..DR

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