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keith

keith 4/4/2010

2002 Dodge Ram 1500 Base 8 Cyl 4.7L

Engine

engine knocks when i first start the truck

i have a 2002 dodge ram 1500 when i first start the engine i hear a knock after the engine warms up the knock goes away it sounds like the oil is draining off the lifters when it sits for a while how can i fix this problem

2 Answers


Grease Monkey

Grease Monkey 4/5/2010

Sounds like you have a hydraulic lifter draining down.

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trevino1970

trevino1970 4/29/2010

Replace oil with heavier viscosity like 10w40

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