Having problems with your Chevrolet TrailBlazer ?

Knocking in motor

\015 I have a trailblazer that has a knock in it. it starts up with the knock then the knock gets loud them then it quiets down but it still the oil pressure is at 40 and there no check engine light on\015 Posted / edited by AnonymousUser on : 23-11-2020

Answers :

Sounds like a sticky lifter that sometimes is mistaken for a knock chevys are notorious for them and can run forever on it. check the oil for grits or metal flakes
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