Serpentine Belt Tensioner Replacement. 1. Remove front belly pan (engine under cover); 8 bolts @ 12mm, recessed bolt is machine thread, others are self The belt travels over the tensioner, then the alternator, then the PS pumps. The pump pulley is about 4" in diameter and has over 90 degrees of...A serpentine belt tensioner, also commonly referred to as an accessory belt or drive belt tensioner, is a spring-loaded or hydraulic automatic adjusting device that—along with pulleys—is responsible for generating and maintaining the proper amount of tension on a vehicle’s serpentine belt so that the belt can keep all of the different ...

Serpentine and v belt alternator pulley

Power steering pulley Alternator diodes almost burnt out Alternator front pulley Auto tensioner pulley (for the serpentine belt) Bad serpentine belt So the 750 CCA battery is 3.5 years old but still putting out 580 CCAs. Alternator is still charging just fine. I removed the serpentine belt (70,000 miles on it) and it looks fine. A serpentine belt is the most common belt in today’s cars—it controls the functionality of most every system for your car. Alternately, your ride may feature a series of V-belts (also known as a fan belts), which perform the same all-purpose functions as a serpentine belt. Serpentine systems also employ a tensioner, which keeps the optimal tension on the belt at all times and all engine speeds. It also helps dampen Essentially, these kits employ a couple of strategically positioned brackets and replacement pulleys for the crankshaft, water pump, alternator and, in some...Save on Serpentine Belts with great deals at Advance Auto Parts. The serpentine belt has a few advantages: it slips less than a V-belt, it saves space underhood by not requiring all the components' pulleys to be offset from each other, and it reduces parasitic drag on the engine.Pulley systems and serpentine belt systems are not only functional but can really add a finished high end look to your engine. March Performance brings you High Style, Low Cost excitement just for the Ponitiac 326-455 cubic inch V-8. This one piece alternator and power steering only bracket provides...

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The serpentine belt routing is printed on top of the upper radiator support or under the hood on some cars. Next, slide the serpentine belt over the tensioner pulley. Check that the belt is seated properly on all the pulleys. If the belt is not seated properly, it won't be easy to slide the belt over the tensioner, even on one pulley. When you get your serpentine belt replaced, you should also have your belt tensioner and pulleys looked at. Do Cars Have Any Other Belts? While most cars today only have a serpentine belt to control various systems, some vehicles have other belts. For example, select older rides may have a series of V belts in place of the serpentine belt. Choose from our assortment of pulleys that will allow you to adapt alternators for special situations. Maybe you need more alternator RPM to increase amperage. Using a smaller diameter pulley will accomplish this. Make sure that the belt tension is still correct once the new pulley is installed. Click on one of the product pictures below to see our complete collection.
2-Groove V-Belt Alternator Pulley. Dimensions: 13mm Belts x 85mm OD x 22.23mm (7/8 in.) Bore # 241509 - Pulley, 2-Groove, For Delco 21SI Series Alternators Mar 09, 2015 · Figure 1. The automatic-tension pulley. Step 2 – Loosen the belt. A serpentine belt wrench is definitely optimal here, but a very long handled 12 mm open ended box wrench will work as well. You may need a second person for this part of the job. Put the wrench on the nut in the center of the pulley, and crank back on it clockwise with a ...