Question about 1997 Isuzu Trooper

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Overheating hi, our trooper is overheating, had the radiator and fan replaced. Blowing white smoke from exhaust. We can smell coolant burning. The radiator empties, but coolant is still 3/4 full. After radiator was replaced, overheated again but mechanic has failed to find the problem. We watched the temp gauge and had no problem for 1 week. even drove it on a 200 mile trip. Now we can't drive it 3 miles! Help!!!

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  • Isuzu Master
  • 14,381 Answers

Sounds like you may have a blown head gasket,white smoke is usually caused by this,driving it can cause major damage,best to have towed to a shop.

Posted on May 06, 2013


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Posted on Jan 02, 2017

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SOURCE: White smoke exhaust

White smoke is caused by coolant or water coming out the tail pipe. There is a chance that the white smoke was caused by water splashing up from a puddle onto the exhaust pipe. Keep an eye on the coolant level in the radiator in any event. If its less then there leak coolant leak in the car engine which is causing this problem....

Posted on Oct 19, 2008

  • 7 Answers

SOURCE: Overheating

Did the smoke arrive immediately, or after the engine got to temp? Did you recheck the radiator fluid. From initial sounds, you may have ran too hot for one reason or another (low coolant, leak, bad thermostat, etc.) and now have a bad head gasket, or worse, a cracked head. This is not unrepairable and may be resolved with a GOOD block sealant with a lot of luck. FOLLOW INSTRUCTIONS TO A "T".
In any event, it would appear from your description that coolant is entering the exhaust. You can verify by checking the coolant level again and also carefully placing your hand, or a piece of plastic inches away from the exhaust. Coolant will be obviously detected if this is the issue.
If you are somewhat mechanical, you can remove the top half of the engine to replace gaskets, and remove the heads to be shaved down at a machine shop. they will tell you if the heads must be replaced. I have done this once, so I am no expert, but I survived the experience.

Posted on May 19, 2009

  • 70 Answers

SOURCE: 2002 Isuzu Rodeo 2.2L automatic. Temperature

Have you tested out your fans? Check your fuses and the actual fuse box. Could be a bad fuse or bad fuse box because I had that happen to me. The fuse was okay (it still had some kind of power going to it ) but the actual box underneath was melted.

Posted on Mar 09, 2011

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Overheat and now wont start what could it be?

Depending on how severely it overheated, it could be that the head gasket is damaged and in need of repair. There are a few different ways of diagnosing the head gasket, the simplest is to crank the engine while you have a helper smell the exhaust pipe looking for either blue smoke (burning oil) or a white smoke and sweet smell (burning coolant). If you have a radiator cap your should remove it and look for oil (signs of blown head gasket) or a brown color in the coolant. Other options are to do a compression check on the engine.

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White smoke exhaust

White smoke is caused by coolant or water coming out the tail pipe. There is a chance that the white smoke was caused by water splashing up from a puddle onto the exhaust pipe. Keep an eye on the coolant level in the radiator in any event. If its less then there leak coolant leak in the car engine which is causing this problem....

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Good Day,

White some indicated that coolant is burning off. It could just be a simple leak which is burning off of the hot motor. It could also be a bad head gasket(probably what you don't wanna hear), One indication that it is the head gasket is white smoke coming out of the exhaust, this happens as coolant gets into the oil and is burned off then exhausted out the back. Possible causes for the overheating include, low coolant, coolant leak, thermostat, water pump and or water pump belt, or head gasket.

If I were you I would drain and flush the radiator, then fill it with new coolant, and change the thermostat, provided you have no white smoke coming out the exhaust.

hope this helps for now

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Sounds typical of head gasket failure.

With this you get oil into cylinders / water into cylinders, burning oil, loosing water - but no leaks. "boiling" of radiator and overflows.

Check your coolant and oil levels - they will be low.

Get a few quotes for a head gasket replacement - and timing belt change, as it has to come off when you do this anyway & no sense putting an old one on - they often snap if retensioned.

If this solves your problem, please take a moment to rate as Fixya! thanks.

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