Taking apart rear differential
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Joined: Dec 2011
Posts: 18
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From: Sacramento
Taking apart rear differential
Hey guys sorry if there is already a thread on this I tried looking for hours and could not find anything on the internet.
Ok so heres my situation: I want to weld my rear diff. I have done everything to pull the diff out of my car and drained it so it is now sitting on my driveway. I took out all 10 surrounding bolts from the pumpkin housing and when i try to pull the damn thing apart, i cant get the two pieces more than a quarter inch apart! Ive just about tried everything. It seems as if the two axle hubs and output shaft are acting as one. When i pull around the output shaft to try to get it off, the axle hubs will move up,down, etc... Can someone please help me I wanna get this done before I have to go back to work on Monday
Thanks guys!
Ok so heres my situation: I want to weld my rear diff. I have done everything to pull the diff out of my car and drained it so it is now sitting on my driveway. I took out all 10 surrounding bolts from the pumpkin housing and when i try to pull the damn thing apart, i cant get the two pieces more than a quarter inch apart! Ive just about tried everything. It seems as if the two axle hubs and output shaft are acting as one. When i pull around the output shaft to try to get it off, the axle hubs will move up,down, etc... Can someone please help me I wanna get this done before I have to go back to work on Monday
Thanks guys!
Joined: Feb 2001
Posts: 29,798
Likes: 128
From: London, Ontario, Canada
Uh, you need to remove the stub shafts. Procedures to disassemble the diff are in the FSM.
The Factory Service Manuals for all years of RX-7 (and many other rotary cars) can be downloaded for free here: Foxed.ca - Mazda RX-7 Manuals . They contain all common service information information and more, and are an essential tool for any sort of service work that needs to be performed on these cars.
Additionally, the Haynes service manual for the 1986 thru 1991 RX-7 (both turbo and NA) can be found at most local auto parts stores or purchased from any good bookstore (ISBN number 1 56392 007 7). It is only about $25 and is a great quick reference for things like this. Not only does it contain most of the information in the FSM condensed into an easy to read format, but it includes full wiring diagrams as well.
These manuals will answer 99% of service related questions for the car and if you intend to do your own repair work, you will need at least one of them. Preferably both, since the FSM is a free download. The Haynes is a good quick reference covering 99% of questions, while the FSMs show complete and detailed procedures.
Why do you want to weld the diff? Unless the car is going to be 100% track only, I wouldn't recommend it. Quite unsafe on the street, annoying to drive, more tire wear, no benefit.
The Factory Service Manuals for all years of RX-7 (and many other rotary cars) can be downloaded for free here: Foxed.ca - Mazda RX-7 Manuals . They contain all common service information information and more, and are an essential tool for any sort of service work that needs to be performed on these cars.
Additionally, the Haynes service manual for the 1986 thru 1991 RX-7 (both turbo and NA) can be found at most local auto parts stores or purchased from any good bookstore (ISBN number 1 56392 007 7). It is only about $25 and is a great quick reference for things like this. Not only does it contain most of the information in the FSM condensed into an easy to read format, but it includes full wiring diagrams as well.
These manuals will answer 99% of service related questions for the car and if you intend to do your own repair work, you will need at least one of them. Preferably both, since the FSM is a free download. The Haynes is a good quick reference covering 99% of questions, while the FSMs show complete and detailed procedures.
Why do you want to weld the diff? Unless the car is going to be 100% track only, I wouldn't recommend it. Quite unsafe on the street, annoying to drive, more tire wear, no benefit.
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