Question about 1997 Pontiac Grand Am
Top end knoking, ajusted valves, looked at roods, good, replaced
air intake manifold ( planum)
re-gaped sparek pulges (60)
97 pontaic grand am
3.1 m tr60 trans
Their's a big difference betweene a Knock & a Spark Knock !!
How many miles do you have on the engine??
It is very hard to know what you are hearing without hearing it
Posted on Nov 01, 2012
If im correct i beleive those engines have hydraulic lifters in them. Thats probably whats making the noise. it's useless to replace them. It's not gonna affect your engines performance. just let it knock
Posted on Nov 03, 2008
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Posted on Jan 02, 2017
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