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Thread: Driveshaft-to-differential bolts...

  1. #1
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    SCCoA Member#1257
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    Question Driveshaft-to-differential bolts...

    94 started to vibrate again...i thought my differential bolts had come loose again...since last time i didnt put loctite on them, but yesterday i crawl under there and...surprice...i have a bolt missing. I was thinking of getting one from a junker car, but i dont know if all bolts will be teh same on all mn12's. Can anyone confirm? Or anyone have a part number for new ones? Thanx.
    Current: 1993 SC 5.0L Auto Red, 1994 SC 5-speed Teal, 1995 SC 5-speed Chameleon Blue
    Old: 89 SC auto Twilight Blue, 89 SC stick Titanium, 90 35th stick, 92 Sport 5.0L stick, 94 SC stick Black, 1994 SC Auto Teal
    Also: 1992 Feature Mustang Convertible 5-speed Vibrant Red, 1991 BMW 850i 6-speed Red, 1994 BMW 850CSi 6-speed Red

    www.mamn12.com for your mid-atlantic mn12 needs!

  2. #2
    Join Date
    Apr 2002
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    Caledon, Ontario ... CANADA !!!
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    7,586
    Same ones on most RWD Ford vehicles of the 80s and 90s. Ford hardware # is N800594-S100, pretty cheap to get new from the dealer. They come with threadlocker already on them.


    cheers
    Ed Nicholson
    SCCoo

  3. #3
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    SCCoA Member#1257
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    Ha! this thread was pretty much aimed at you Ed...and you always come up with the whats needed. Thanx a million!
    Current: 1993 SC 5.0L Auto Red, 1994 SC 5-speed Teal, 1995 SC 5-speed Chameleon Blue
    Old: 89 SC auto Twilight Blue, 89 SC stick Titanium, 90 35th stick, 92 Sport 5.0L stick, 94 SC stick Black, 1994 SC Auto Teal
    Also: 1992 Feature Mustang Convertible 5-speed Vibrant Red, 1991 BMW 850i 6-speed Red, 1994 BMW 850CSi 6-speed Red

    www.mamn12.com for your mid-atlantic mn12 needs!

  4. #4
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    Ensenada B.C. Mexico
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    the vibration you reffer is the one that occurs at high speeds but when you let off the gas its gone?

  5. #5
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    Well, last time it was much worse b/c most bolts were loose. If i drove up to about 40mph the vibration would be when accelerating and when i let go of the gas it would dwindle, but If i would do the same going over 50mph the vibration would still be really rough even when letting go of the gas.
    Current: 1993 SC 5.0L Auto Red, 1994 SC 5-speed Teal, 1995 SC 5-speed Chameleon Blue
    Old: 89 SC auto Twilight Blue, 89 SC stick Titanium, 90 35th stick, 92 Sport 5.0L stick, 94 SC stick Black, 1994 SC Auto Teal
    Also: 1992 Feature Mustang Convertible 5-speed Vibrant Red, 1991 BMW 850i 6-speed Red, 1994 BMW 850CSi 6-speed Red

    www.mamn12.com for your mid-atlantic mn12 needs!

  6. #6
    Join Date
    Jan 2004
    Location
    Indy
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    106
    What I did to keep the loctite to stay on mine when I put them in, is to soak the threads on the diff, I put it on the threads on the bolts and it just squeezed out when I screwed it in.

    Also, I doubled up on the wrench for more leverage to get them tighter than hell. It was a pain getting them off for the first time.

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