Car Repair World

2007 bmw 650i Ac compressor belt replacement How to replace A/c Compressor Belt  Does require removal of serpentine belt and thus re-tensioning the serpentine belt. It has 2 belts: a serpentine belt for "accessories" and air conditioning compressor drive belt. When either belt begins to show cracks in belt ribs, time to replace.  Tools to get serpentine belt off. 17mm wrench or 17mm socket and ratchet. 13mm wrench or 17mm socket and ratchet. Removing old AC belt: As AC belt sits in behind serpentine belt on crankshaft, the serpentine belt must be removed or at least taken off the crankshaft to replace the AC belt. See " How to Replace the Serpentine Belt " for instructions on how to remove the serpentine belt. With serpentine belt off crankshaft, under the car, looking up on the right, you will see the AC belt going around the crankshaft, over a tensioner pulley and then around the AC compressor. To remove tension from ...

Serpentine Belt Replacement Safety Tip: Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or closed toe shoes. 1 Open your hood and locate your vehicle's serpentine belt. 2 Locate the serpentine belt routing diagram in the engine compartment, in the vehicle owners manual, or under the hood. 3 Locate the serpentine belt tensioner. Photo may not be specific to your vehicle 4 Move tensioner to loosen the belt. 5 Remove the serpentine belt. 6 Install the new serpentine belt making sure the belt is routed the same way as before. Photo may not be specific to your vehicle 7 Check the belt tension. Push down in the middle of a section of the belt. It should not move more than a half inch. 8 Start the engine and allow the car to run for a few minutes to ensure proper belt installation. 9 Turn the engine off and recheck the serpentine belt t...

Serpentine Belt Tensioner Replacement Procedure To Replace Serpentine Belt Tensioner Helpful Information Belt tensioners keep a constant pressure on the belt, when they wear they will allow the belt to roll off the tensioner causing belt failure. When the spring tension is lost in a failed tensioner it will cause squeaking especially under acceleration. A belt tensioner is a normal wear item and should be inspected regularly. Tools and Supplies Needed Large pry bar Flashlight Protective eyewear and gloves Best Practices Replace serpentine belt when replacing a tensioner. Once the belt is removed check the rotation of free wheeling pulleys such as the alternator to detect failed bearings. Easy step by step repair guide on how to replace an automotive serpentine belt tensioner, configuration may vary, but the steps will be similar. Difficulty Scale: 5 of 10 Begin with the vehicle on level ground, engine cold (off) in park with the emergency brake set. ...