2001 Chevrolet Impala 3.4L Lifter Noise
Vehicle has valve train or lifter noise in am startup after sitting overnight. Low end is quite. It appears that no oil is getting to the rocker arms. Oil pressure builds immediatly and is in spec- cold 40psi idle, 55psi 2500 rpm hot 28psi idle, 52psi 2500rpm....
FIX posted 3/15/2005
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Message Closed w/FIX
Vehicle Data2001 Chevrolet Impala
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Message Closed w/FIX
Vehicle Data
2001 Chevrolet Impala
VIN | 261WF55E91 |
Engine | 3.4 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Affected | Lifter Noise |
Conditions | Am Cold Startup |