ticking noise in engine on 1998 Buick LeSabre

I have a loud tapping noise in the engine several people told me it was the haarmonic balancer. I replaced it but engine still makes tapping noise also my speed has been hesitant since the tapping started. I also need a MAP sensor could that be related to either issue.

by in Highland Park, MI on May 06, 2011
4 answers 2 comments
ANSWER by on May 06, 2011
The MAP sensor won't be related, it is hard to comment about a noise without being able to hear the sound first hand. I have replaced the harmonic balancer on this engine. This engine has hydraulic valve adjusters perhaps a lifter has a noise. Perhaps try a product called Risolene in the engine oil it is a high detergency low viscosity it may clean the valve adjusting lifters, another product is SEAFOAM but you have to follow the exact instructions on the can.
COMMENT by on May 12, 2011
Should i use the required oil for the engine or use a thicker grade with Risolene
ANSWER by on May 07, 2011
I would suggest changing the oil and filter to loosen up a possible sticky valve lifter. Does the engine run rough or hesitate?
COMMENT by on May 12, 2011
It runs hesitant when shifting gears since the tapping noise began
ANSWER by on May 13, 2011
Should i use a thicker grade oil or use the required oil with the Roseline
ANSWER by on December 24, 2011
on a 2002 Buick la saber. I all of a sudden had a loud knocking coming from the harmonic balancer it turned out to be a plastic plate right behind the harmonic balancer that was making the clicking or knocking you can push on it with a screw driver while the car is running and change the pitch of the knock the sound has quieted down after a day or two of driving it.
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