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2001 Chevrolet Impala 3.4L Lifter Noise
Posted to GM Engine on 3/11/2005 14 Replies

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....

14 Replies Received (View Replies)

  Related Documents & Media  2001 Chevrolet Impala

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Impala

VIN 261WF55E91
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedLifter Noise
ConditionsAm Cold Startup
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Impala

VIN 261WF55E91
Engine3.4 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedLifter Noise
ConditionsAm Cold Startup