...BACrank A.C.W.P.Alt.Break-in Procedure: Recommended drive cycle is no less than 20 minutes before checking and setting final drive tension. ACCESSORY BELT DRIVE NOISEThe Original Equipment Manufacturer has identified a possible accessory drive belt squeal on some 2007 Toyota Yaris vehicles...
...Timing belt drive systems come with a variety of tensioning methods and components. In the past, engines used a manual tensioner (or eccentric pulley) for the drives, which had to be installed and then locked in place. Over time the belt tension would change as there is no self-adjustment...
...AUTOMOTIVE PASSENGER CAR COOLING SYSTEM Tech TipF lushing:Over time, coolant in the cooling system can break down resulting in the need to service the system. The protectants in many of today's coolants become depleted and weak leading to corrosion, rust and scale. When this depletion tak...
...Symptoms:Water pump has missing or broken teeth, or sprocket falls off the shaft.Probable cause of failure:Misalignment or damage of the tensioner, guide or chain.Corrective action:Visual inspection is required to verify the correct alignment of chain tensioner and guide. Inspect for broke...
...To ensure optimal operation of newly installed belts, the CVT sheaves must be cleaned of all old belt residue, glazing, and oils. Cleaning can be accomplished by carefully scuffing belt contaminates off the sheave/belt contact area with a mild abrasive such as 220-400grit sandpaper, Scotch...
...AUTOMOTIVE PASSENGER CAR ACCESSORY BELT DRIVE SYSTEM Tech Tip Standard industry belt diagnostics call for replacement of a serpentine \ belt if it shows three cracks in a three inch section. This is a good rule of thumb for Neoprene, but not so good for EPDM. EPDM belts inherently resis...
...BULLETIN TT003-15› MAKE: All makes with a serpentine belt› MODEL: All models with a serpentine belt› YEAR: All years with a serpentine belt› ENGINE: All engines with a serpentine belt PULLEY ALIGNMENT & TENSIONToda...
...Unbeknownst to many, automatic belt tensioners are actually a wear item, and therefore cannot be classified as a prototypical hard part. Internal components in the tensioner can fail, causing stress on the belt and other accessory components. A tensioner is a relatively inexpensive part to...
...If during the course of an inspection the water pump is found to look like any of the below, Gates recommends properly flushing the system, filling the system with a new mixture of the correct coolant, and possibly replacing the water pump depending on the issues found.BULLETIN TT005-15›...
...The idler T42140 ( Fig.1 and Fig.2) is used in many engines but the threaded engine installation hole may differ in size. The Gates idler is supplied with a M8 bolt that has a 10mm shaft and a washer. Some applications require an M10 . If so the original bolt can be re -used...