In general the newer EPDM serpentine belts are good for at least 90 K miles. Gates does give out the new check tool for free. I got 10 of them 2 months ago, and gave 8 of them to friends and mechanics. All you have to do is go to the Gates Serpentine belt web page and send them a nice polite e-mail. About 2 weeks later the test tool will show The first digit is the amount of ribs the belt has. So if you need a 4 rib belt, the first digit is a 4, if you need a 6, it’s a 6, and so on. And all the digits after the PK are the length of the belt in millimeters. Going back to the example we gave, a 6PK1234 belt will be a six rib belt with a length of 1234mm. You need to loosen the central bolt through the tensioner bushing to unbind it. Then loosen the adjuster to retract the tensioner. Tighten adjuster to just snug and set the indicator. Then, tension the belt with the adjuster. Finally tighten the central tensioner bolt to bind the bushing in a neutral position. S. sportlineguy Discussion starter. Not pretty. Loosen that pivot bolt and THEN try to adjust the tensioning rod. If there's already tension, then your tensioner is fine. You've got a pulley going out somewhere. 50% its the tensioner pulley. 49% the idler pullet (top passenger side of motor). 1% any other pulley. 1999 C43 AMG 744-Silver - Mine. Garyk. 2302 posts · Joined 2010. #24 · Feb 19, 2010. If my memory serves me, one of the bolts on the front of that bracket holds the tensioner bolt and threaded block the bolt screws into. Take that one out and the tensioner bolt should release. You should be able to then push the pump in towards the block. Belt Tension Calculator. Proper belt tension ensures optimum performance of a vehicle's accessory belt drive system. Select from the dropdown options below to find the appropriate belt tension for your belt. ABOUT US. C4 Serpentine Belt Replacement. Time: 30 to 60 minutes. Tools: ½” breaker bar. Torque: Belt tensioner to engine block – 30 lb./ft. Talent: (3) Applicable Years: 1984 to 1996. Tab: Under $50.00. Tip: Consider purchasing the tool designed to release the belt tensioner. This works very nicely and is cheap. A special tool that may be needed when replacing a serpentine belt or automatic tensioner on a transverse-mounted engine in a front-wheel drive vehicle is a special serpentine belt removal tool. The tool has a long, flat extension handle that allows a socket to be placed on the tensioner bolt, so the tensioner in a tight engine compartment, can Vay Tiền Nhanh Chỉ Cần Cmnd Asideway.

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