Wednesday, November 24, 2010

How can i change the spark plugs on a gm 3.4 v6?

My freind wanted me to change her spark plugs, and after looking at the car, because i know some cars are a pain, i found that the back three spark plugs are not readily accessible on her lumina.



the motor is mounted sideways, and the back three spark plugs are under the intake manifold slightly and also under the top lip of the hood, and against the firewall where hands and tools cannot fit, it MAYY be possible to get the left and right plugs, but the center plug is certainly out of the question.



What is the easiest way to access these plugs?



My only idea is to remove the intake manifold, but then i have to buy a new gasket, and i dont want to do that, are there alternatives?How can i change the spark plugs on a gm 3.4 v6?
You can get to it. Use a SWIVEL attachment on the Ratchet. I know i have a 97 lumina. I had the same problem. You have to have patience. good luckHow can i change the spark plugs on a gm 3.4 v6?
Unbolt the front engine mounts, and pivot the engine towrds you. THere is a special hold-down strap the will hold the engine in place while you complete your task. GET CREATIVE!!! While you are at it, install a set of Bosch Platinum, Fusion or nippondenso iridium plugs. THis will provide better fuel economy and power than the anemic factory units. Good Luck!!How can i change the spark plugs on a gm 3.4 v6?
go from underneath around the exhaust.... there is no easier way that car is pretty tough.... good luck, and don't take the intake off :)How can i change the spark plugs on a gm 3.4 v6?
If it has the curved intake take it off thats the only way to get to the plugs take the middle bolts out first then work your way out lift the intake off slowly and you might be ablt to reuse the gasket check it for splits or cracks if it looks goot then reuse it some dodge stratus's are the same way thats how you do it

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