1992 Ford Aerostar Q&A

1992 Ford Aerostar Question: rear end makes a whinning noise when you drive it but just when you let off the gas

92 ford aerostar 4.o makes a whinning noise when driving it, but just when you let off the gas. Also makes a big klunk when you put it in reverse -
Answer 1
pinion bearings worn out. need a re build on the differental. costs about 900 parts and labor Roy -