BA10/5 synchro problems?
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  1. #1
    Fellow Frogger! Uffee's Avatar
    Join Date
    Oct 2004

    Default BA10/5 synchro problems?

    Just recently and all of a sudden changing into 3rd or 4th but more often 4th, the gearbox will crunch. When it doesn't crunch it seems there's a lot less resistance than 1st/2nd or 5th. Do I have the dreaded broken synchro spring problem?

    504 GL Coupe '73 Silver
    504 GTDT Pickup Mini-Motorhome '83 Coral Red
    407 HDi Sedan '05

  2. #2
    Demannu-facturing! Demannu's Avatar
    Join Date
    Dec 2002
    Menzies Creek


    Sounds like it. The giveaway is that it's both gears on the one plane.

    It's not difficult to fix, but the gearbox does have to come out.

    It's definately less usual for it to happen on 3rd/4th, the 1st/2nd gear synchros usually take a lot more of a beating!

    Melbourne - Dandenong Ranges

    1956 Peugeot 403 - 'Francois' - resto project

    1969 Peugeot 504 - 'Pascal' - daily driver project

    1970 Peugeot 404 Utility - 'Brutus' - resto project

    1978 Peugeot 604 - as yet unnamed - V6 on straight LPG

    1987 Peugeot 505 - as yet unnamed - project car

    1999 Peugeot 406 Coupé - 'Chloe' - 5 speed manual

    2011 Peugeot 3008 XTE HDi - 'Zoe' - hatchback on steroids

    2014 Peugeot RCZ - 'Remy'

    1999 Range Rover 4.6 HSE - 'Grover' - tow car

  3. #3
    Fellow Frogger!
    Join Date
    Aug 2005
    Athens, Greece


    I agree with Scott, I have gone through three 1st-2nd synchros in the works coupe box and the 3rd-to 4th is just beginning to show signs of wear. The same gearbox was used for some Jeeps (but with different gear ratios) so the synchros are easy to find and not terribly expensive.

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