View Single Post
Old 07-27-2009, 09:38 AM   #6
CalifOkie
AF Newbie
 
Join Date: Jul 2009
Location: Chickasha, Oklahoma
Posts: 48
Thanks: 0
Thanked 0 Times in 0 Posts
Re: 99 Sunfire GT 2.4L Twin Cam Auto--CLICKING NOISES FROM ENGINE BLOCK

Okay.. Let me clarify that a little. Yes it is possible that he did one. But once you go into it the chances of stirring up trouble down the road is almost certain. When I said earlier about not being able to get it to seal, should have been phrased as, get it to stay sealed. This is what they do... after you do the headgasket and everythings fine. weeks to possibly months down the road ( depending on how often it is driven complete heat up and cool off cycles) , it will start to leak oil from under the head. If you ignore that it will start to consume coolant (usually suck it out the exhaust), then if you don't catch that ,eventual overheating and surface warpage. There is a 50-50 chance of getting those results everytime you go into one. That problem comes up because when assembled at the plant the block and head are perfectly machined flat surfaces mated together. as they run through heat cycles they eventually distort but that is not a major problem because they were mated perfectly together. When you seperate that head and block you lose that and suddenly the distortion becomes a problem. For that reason they say," the 2.4L Quad Four is a great little engine unless you have to work on it.".
__________________
3rd generation Mechanic
Dealership exp with GM, Ford, Nissan, and Toyota
Self employed for the last 12 yrs.
CalifOkie is offline   Reply With Quote