WHY WONT MY CAR START AFTER CHANGING HEAD GASKETS

1999 Pontiac Grand Am

Tiny

saturntech9

September, 28, 2012 AT 3:54 PM

Your welcome thats what were here for.

Tiny

brad.landrum@yahoo.com

September, 29, 2012 AT 1:32 AM

I found the problem there was 4 bent rods we replaced them now the car will start up if you play with the throttle but it runs really rough and will shut off after you let off the gas also there was white smoke coming out the exhaust

Tiny

saturntech9

September, 29, 2012 AT 1:45 AM

Bent connecting rods?

Tiny

brad.landrum@yahoo.com

September, 29, 2012 AT 1:49 AM

Yes the rods that are under the rocker arms

Tiny

saturntech9

September, 29, 2012 AT 1:53 AM

Why were those bent?I have seen connecting rods for the pistons bend from coolant in the cylinders but not push rods.

Tiny

brad.landrum@yahoo.com

September, 29, 2012 AT 1:56 AM

I wanna say they was bent from not being put all the way in or mixing them up bc there are 2 different sizes

Tiny

brad.landrum@yahoo.com

September, 29, 2012 AT 2:01 AM

Also while trying to crank it is blowing back out the breather and sounds like a clicking noise coming from a valve in the back

Tiny

saturntech9

September, 29, 2012 AT 2:17 AM

Have you went over all your work to make sure you dont have anymore mixed up push rods?Also have you done a compression test yet?

Tiny

brad.landrum@yahoo.com

September, 29, 2012 AT 2:34 AM

I had my wife's brother come over (a mechanic) and he mentioned that a valve is bad could this be? And they did a compression test earlier they said all was good with that

Tiny

saturntech9

September, 29, 2012 AT 2:45 AM

To check for a valve not sealing you would use a cylinder leak down tester. Usually if there is bad valve burnt or otherwise it will show up on a compression test. Why did he come to a bad valve?Also how come your brother inlaw didnt help you with the project?I fix my brother inlaws cars for him and he helps me do it.

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