I’ve got a 2011 Jeep Wrangler rubicon with a 3.8 and 4spd auto. After the jeep is warmed up and i’ve been driving around it starts to make a chirping noise from the front of the engine, i’ve replaced the tensioner and idler pulley and the noise is still there. The belt looks and feels fine and it only makes the noise in drive and while accelerating when the engine is under load. Any idea to what it could be?
Alternator, power steering pump, AC compressor, water pump?
For a 10 year old vehicle, I would just get a new belt because I can. Check your alternator and AC drive and water pump pulleys without the drive belt for any roughness or drag.
I replaced the belt and it made the noise quieter but it’s still there and only when the engine is under load and warmed up. I’ve tried to pinpoint the sound for months and can’t find it.What do u think it would be i’ve replaced tensioner and idler pulley and belt so there are rules out. Any ideas?