Question about 1998 Mercury Villager
Is it possible to over tighten a belt?
The shop is wanting me to replace the tension pulley and power steering pulley to get rid of a noise. They wanted $580 to do the repair.I told them I would have to save up the money. They put the belts back on and I drove home. I have not done the repair yet because the noise went away after they gave me the car back. The belts seem to extremely tight.
It is possible on some cars to over tighten or under tighten but on your van i believe the tension er is spring loaded which means you cannot over or under tighten because the spring keeps the belt the right tension. and as far as $580 i think that is extremely to high. i don't think you need to replace anything
Posted on Dec 18, 2008
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Posted on Jan 02, 2017
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Excessive belt tension will cause damage to the alternator and water pump pulley bearings, while, on the other hand, loose belt tension will produce slip and premature wear on the belt. Therefore, be sure to adjust the belt tension to the proper level.
To adjust the tension on a drive belt, loosen the adjusting bolt or fixing bolt locknut on the alternator, alternator bracket or tension pulley. Then move the alternator or turn the adjusting bolt to adjust belt tension. Once the desired value is reached, secure the bolt or locknut and recheck tension.
Fig. . . . then remove the alternator belt from the engine
Fig. . . . then remove the power steering belt from the engine
Fig. Accessory V-belt routing-Mitsubishi 3.5L and 1998-00 3.0L SOHC Galant engines
ALTERNATOR AND A/C COMPRESSOR
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Remove the alternator/power steering and water pump drive belt to gain access to the air conditioning belt.
Loosen the tensioner pulley locknut, then turn the adjusting screw to raise or lower the tensioner pulley assembly. Remove the belt.
Install the belt.
To adjust the belt, loosen the tensioner pulley nut and adjust the belt tension by tightening the adjusting screw. Tighten the pulley nut to 40 ft. lbs. (54 Nm) after adjustment.
Install the alternator/power steering and water pump drive belt and adjust.
Start the engine and check for proper belt alignment and any abnormal noise.
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