1990 Chevrolet S10 Q&A

1990 Chevrolet S10 Question: Serpentine Belt with new AC and new Tensioner

1988 s10 tahoe 4.3 v6 new air compressor, new belt derailed at compressor within 5 miles, tensioner replaced, belt replaced, belt came off at compressor again within 5 miles. Both times truck was in reverse backing out, if this makes a difference. -
Answer 1
was the ac compressor new or used?? who charged the system?? if it was overcharged, the compressor will lock up and throw the belt. you need to have a shop familiar with ac work to check and confirm. Roy -