Operation CHARM: Car repair manuals for everyone.

Belt Tension Data

1. On Q45 models, compressor belt deflection at 22 ft. lbs., is .335-.374 inch for used belts, and .295-.335 inch for new belts.
2. On M30 models, compressor belt deflection at 22 ft. lbs., is .350-.390 inch for used belts, and .310-.350 inch for new belts.
3. On G20 models, compressor belt deflection at 22 ft. lbs., is .310-.350 inch for used belts, and .280-.310 inch for new belts.