I would first look at the fan belt or belts. This is the most common cause but you could have other problems including worn idler pulleys.
When Exhaust brake is on squeak noise comes from the engine?"
Could be a problem with a pulley bearing.
see if starter is starting to go....
no Yes, it can cause the belt to squeak and slip.
to squeak = charak (חרק) squeak (noun) = charikah (חריקה)
anything that fits a Chevy 350
squeak! I'm a chipmunk-squeak- and i thinki have short fur- squeak. Hope i-squeak- helped
squeak
vehicles <><><><><> It depends on whether you want plural or possessive. My vehicle's engine is bad. Our vehicles are bad. You can also have plural possessive: vehicles'
The past tense of "squeak" is "squeaked."
The brakes can squeak, the suspension can squeak, the steering can squeak, the wheel hub/bearings can squeak, have a trusted mechanic determine the source of the squeak.
My guess would be the camshaft sensor, or idler pully, or water pump, or your compressor