Question about Cars & Trucks
Need new head gasket
Posted on Jan 23, 2013
A lot of suggestions - however It could be numerous problems - consult a reputable auto repair shop - you need someone that really knows what they are talking about to physically look at the car to solve the problem - this will save you a lot of time and expense and heartache. ?
Posted on Dec 24, 2014
I would check the thermostat and radiator cap next, just take the thermo out and see if that solves it. If not, maybe try replacing the cap.
Posted on Jan 23, 2013
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Posted on Jan 02, 2017
SOURCE: 99 deville head gasket leak?
A head gasket leak is usually indicated (among other things) by continous overheating of the motor, and subsequent loss of coolant.
It can also be indicated by the presence of engine combustion gas bubbles in the coolant resevoir.
Ensure the coolant system has no external leaks, such as faulty hose/s, radiator etc.
Ensure motor tune or other motor mechanical condition is not the cause of overheating.
I assume the motor is actually running hot.
Check cooling fans are operating ok (as necessary when car warms up):- if not check
2) relay operation,
3) heat sensor switch.
Check/replace the thermostat,
Check the coolant pressure cap is serviceable & of correct rating,
Ensure cooling system is correctly filled, bleed off any airlocks as necessary when re-filling,
Ensure radiator hose on suction side of waterpump is not collapsing at engine revs above idle (due softening),
If the motor has been severely overheated, the head gasket could be blown - look for combustion gas bubbles in the coolant resevoir.
Posted on Sep 21, 2009
Testimonial: "thx..my car is not overheating.only had to pull off road once.it does get to 233 sometime."
It's not normal for the gasket to be so short lived. I would first suggest that you have a pressure test done or at least remove the obstructions to verify that it is the intake. If in fact it is, you would have to suspect the prep work done previously, #1 reason for leaks in gaskets is usually due to not preparing the surfaces properly. Second, is not having the proper torque applied evenly to this type of an application in steps.
It takes a real finatic to get gasket surfaces prepared so that they won't leak & eventually even those do. I have to also mention that some gaskets do have defects in the materials & generally don't hold long at all under pressure.
Check your exhaust & catalytic converter. either partially restricted will cause the engine to run hot in the area you are having problems. Just a thought.
Posted on Feb 09, 2010
if car has a oil cooler that uses coolant to lower oil temp. check that, if not you might want to get a coolant psi tester and try locating leak that way. but my expierence is that a head gasket problems cause this also if block was bored and machined that could also be the issue.
Posted on Mar 04, 2010
Testimonial: "good advice, pulled the head off and found that the gasket had ruptured towards the back"
I was going to say water pump but no block the water inlet to throttle body and let run a while can you smell a sweet smell or steam comming from your tail pipe Next is a die test you can do . Put the die in your rad and go for a 5 mile ride now use a cheep black lite $3.00 at lowes the leak will show up. good luck CJ
Posted on May 12, 2010
Testimonial: "Appreciate the quick feedback and will try the suggestion that was given."
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