Join Date: Aug 2000
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Re: rear differential-repair or replace?
Let me let you in on a little secret about how most general mechanics and dealerships "quote" most repair jobs. They have joe the mechanic pull the jeep in the shop, look at what needs to be done, some times tear it apart, some times just look at it from the outside depending on what they are "quoting". Joe mechanic comes to the service writer/ manager and tells them what parts it needs.
The service writer then calls up his favoirte parts house(napa, carquest, bumper to bumper, ect.) or if it's a dealership they go to the parts counter and tells them what they need. If it's a parts house or another dealership they give him 2 prices, his cost and the list price of the part (if you were to go to the same parts house you would pay some where in the middle unless you have a good account to use for a discount). The service wrtier doesn't allways shop around for the best prices. The parts house he called for the gears and carrier probably told him dealer only. So the service writer calls the dealer for genuine mopar gears, carrier, ect.
After the service writer has his parts prices then he goes over to the puter and looks up the book time for the job he is quoting, if it says the job is 5 hours book time he multiples the 5 hours times the shops hourly rate. Then the service writer should give you a estimate with the list price on the parts and the labor.
That's how most general mechanics that work on everything from hondas to 1 ton trucks quote parts. If you go to an offroad shop or guy that does work on the side they may hunt for better prices and have other options for parts much cheaper. I can't get on our school's copy of mitchel on demand or I could give you the book time for d35 gear setup, i'm guessing 5-8 hours.
Disclaimer that's my personal experiance and that's not how every shop does it.