why wont my car start after changing head gaskets

Was all cam timing done correctly?Do you have spark?Have you checked compression?Actual fuel pressure is what?

I never took timing cover off so timing should be fine i have spark and i didn't do a pressure test but there is good pressure on the lines

Which engine do you have?Also have you checked for spark compression etc?

I have the 3.4 v6 and i have spark

Have you checked the compression yet?

No how do i check

You cant a compression tester at auto zone and then remove all you spark plugs.Then screw the compression tester into each cylinder then hold the gas pedal to the floor and crank the engine ten revolutions and record the number.before doing that pull the injector and ignition fuses.Also did you make sure there were no blown fuses?

Yes i checked all fuses all are good

Alright keep me posted.

I will and thank you

Your welcome thats what were here for.

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

Bent connecting rods?

Yes the rods that are under the rocker arms

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

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

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

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?

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

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.

Also did you make sure the spark plug wires are all routed correctly?

Yes all wires are routed correctly he said one of the exhaust valves are stuck closed

Did he say which exhaust valve isnt opening?If its stuck closed then there must be a be a push rod or lifter issue?

Yes there was 3 push rods bent and he said its one on the back of the motor that isent opening

The push rods were bend because they were put back in the wrong place. The exhaust and intake rods are 1/4" difference in length and cannot be mixed, however they commonly are.

Looks like you found the problem thanks for the assit wrenchtech.

No problem Lou

I also had 3 bent exhaust valves but thanks for the help guys

You've torn the heads back off to see that?

Wow you really went wrong then sorry to hear that.