Question about 2000 Pontiac Grand Prix
When car is started it makes a tapping or knocking sound. when i hit the gas to accelerate it becomes louder and when i let off to slow down the noise stops. when the car is in drive and at an idle speed it has hesitation or lose of power. seems to want to cut off almost. checked oil levels and they are appropriate. what is going on with the car?
I want to kno how to do it myself
Posted on Mar 30, 2013
Hi there the problem your experiencing is either a rocker arm came loose or a valve spring broke. which is causing the valve not to open thus giving you hesitation just pull the valve cover off and cranck up the engine and youll see the problem right away now if it is a loose rocker arm you can just tighten it up but if it is a broke valve spring (which i think it is ) it probably best to have a mechanic do it simply because when you take the retainer clips out the valve can be dropped into the cylinder and if that happens the head has to come off now if you want to do it yourself just write me back and ill give step by step instructions
Posted on Aug 30, 2008
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Posted on Jan 02, 2017
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