505 XD2S Autopsy
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  1. #1
    Demannu-facturing! Demannu's Avatar
    Join Date
    Dec 2002
    Menzies Creek

    Default 505 XD2S Autopsy

    After it's untimely demise a fortnight ago, I finally pulled the engine out of the 505 GTDTurbo wagon today.

    The car overheated (badly) climbing 'Tap Hill', a large, 14km stretch of uphill when you're heading north halfway between Gilgandra and Coonabarabran. There were 3 people on board, an 800kg hire trailer carrying a 403, which itself was full of spare parts. It was about 30degC outside.

    As expected, the head gasket has blown between 1 & 2.

    But the real surprise was the cause, or possibly causes.

    The first cause was that the fuse for the cooling fan was blown - which could only have been co-incidence. But I still couldn't work out why that would have caused such a problem, considering that we were still moving at 80kms/h when the temperature gauge started to soar.

    The answer came today once it was all apart. There is a hole, obviously a manufacturing defect, between the inlet and outlet of the water pump. About the size of a 10 cent piece, it meant that the water pump wasn't circulating water through the radiator, only around in circles within the water pump.

    It looks like it's been like that for a while, I'm surprised I hadn't seen any symptoms earlier!

    Tomorrrow I pick up the replacement engine for it. Hopefully it is as strong and reliable as this last motor was (up until last weekend)!


    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

  2. #2
    Fellow Frogger! dieselman's Avatar
    Join Date
    Aug 2005
    Merimbula, NSW, Australia


    At least the XD2S is easy enough to work on.

    1987 Peugeot 505 GTD
    2010 Citroen C5 3.0 V6 HDi
    2010 Citroen C5 3.0 V6 HDi (wife's car)

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