What should I do if my GMC tensioner breaks?
Tensioners usually have a hole or boss to accept a pry bar or a 1/2″ drive breaker bar. That’s how much force they usually need to move out of the way of the belt. A friend of mine has the same problem with his 2000 GMC ECLB 4.8 2wd.
What causes the serpentine belt to break on a GM Truck?
Some customers may comment about an underhood rattle noise heard on acceleration or a sudden loss of A/C system performance. This condition may be caused by liquid slugging of the A/C compressor. This condition may cause an internal failure in the A/C compressor. The serpentine belt tensioner and serpentine belt may also be damaged.
What to do if your a / C belt breaks?
The serpentine belt tensioner and serpentine belt may also be damaged. Technicians are to check the A/C system performance and compressor operation using the following repair procedure: Open the hood and inspect the A/C compressor for damage and to see if the compressor is seized.
Why does my a / C Belt fail every time?
Depending on where it comes to rest, the failing compressor probably takes a lot more torque to get moving. So maybe 1 time out of 5, when the compressor clutch engages, your belt get stressed beyond its design strength, and it starts to fail also. That’s a fair bit of conjecture, though. Anybody know for sure?
Can a bad a / C belt tensioner be replaced?
Both noises point to a bad A/C belt tensioner. With basic tools and little time, you can replace the tensioner in your Silverado quickly in the comfort of your own garage. This article applies to the Chevrolet Silverado GMT800 (1999-2006).
How do you replace a / C belt tensioner on a Chevy Silverado?
Rotate the tensioner clockwise against the spring, and hold it. Then slip the belt off the tensioner pulley. Release the tensioner slowly back to the spring stop. Slip the belt off the crank pulley and let it hang. Figure 4. Accessory drive belt removal. Examine the belt for cracked ribs or fraying, and consider replacing it.
Some customers may comment about an underhood rattle noise heard on acceleration or a sudden loss of A/C system performance. This condition may be caused by liquid slugging of the A/C compressor. This condition may cause an internal failure in the A/C compressor. The serpentine belt tensioner and serpentine belt may also be damaged.
Tensioners usually have a hole or boss to accept a pry bar or a 1/2″ drive breaker bar. That’s how much force they usually need to move out of the way of the belt. A friend of mine has the same problem with his 2000 GMC ECLB 4.8 2wd.