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Is the pulley bolt a left hand thread or right hand thread when removing the tensioner pulley from a 90 Olds Regency 98 3.8L FI engine?


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Wiki User
2004-06-09 00:20:53
2004-06-09 00:20:53

The bolts are right hand thread (BUT) U DON"T want 2 remove the bolt in the center of he pully.U have 2 replace the tensioner & bracket assembly.There is many pounds of pressure on the tensioner spring

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Facing the engine the tensioner will be on left side of engine. There is an idler pulley that looks like the tensioner. The idler will have a smooth surface but the tensioner will have grooves on the pulley & should below the idler. If the tensioner is making noise etc it is prob just the tensioner pulley (grooved one) & you can get just the pulley. Big savings.

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The 1998 Dodge Dakota tensioner pulley will be the top pulley on the left-hand side of the engine. The tensioner pulley will be able to slide back and forth.

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One bolt holds the tensioner to the engine, take it off to get the tensioner off and then you can get to the bolt that holds the pulley to the tensioner.

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Look on the passenger front side of the engine, you will see pulley attached to a short arm with a square hole. That is the tensioner and tensioner pulley

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Begin by removing the serpentine belt from your Oldsmobile Cutlass. Remove the tensioner pulley retaining bolt. The retaining bolt will be in the center of the pulley. Reverse the process to install your new belt tensioner.


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