Citroen GS oil pressure
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Thread: Citroen GS oil pressure

  1. #1
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    Default Citroen GS oil pressure

    I start the GS up just to keep it happy and give it a quick lap of the shed and yesterday the oil pressure switch came on and it died. No suprises really but what could be the immediate cause of failure? I examined the dipstick to see if all that oil that is leaking resulted in no oil and the stick showed plenty of oil, nice black filthy oil. I plan to whip the motor out and do a rebuild but it had me wondering what might cause the problem, I can only think there is so much filth in the oil, strainer pipes or wherever and it just went no you need to clean me out! I hope I haven't seized it.

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  2. #2
    Fellow Frogger! Greg's Avatar
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    Does the motor still turn over? That might be a start.
    We Have:
    C5 HDI Exclusive 2.7 '09, Pluriel '09, Berlingo 1.6 HDI '10, C4 VTS coupe. C4 Picasso '08, 2CV Charleston '84 Grey, 2CV, '55 Australian delivered. 15/6 H '55, SM '74 BVM, DS21 EFI BVH, DS21 '67 BVH.
    We Had:
    1930C6F, '73 GS1220 wagon X 2, '75 G special, '75 GS panel van, '74 GS Birotor, '82 GSA panel van with factory AC, '85 CX25GTI BVM, 2002 C5 V6, 2006, C5 S2 HDI, '86 BX19GT, '72 DS21 BVM, '55 15/6H, '54 Lt 15,'73 Dyane, '82 Visa Super X, with Chrono Mecs & factory AC, 1972 SM.

  3. #3
    Tadpole
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    the manual states at 80deg at 2000 rpm 68psi at 6000rpm should be 90 to 102 psi pressure switch setting should be 7 to 11.6 psi i had a failure of the pressure switch pumped the sump out the top of the switch lucky i stooped as soon as light came on no damage to the motor hope this is a help
    forumnoreason likes this.

  4. #4
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    thanks guys you're not going to believe this (well you will actually) but I contemplated the givens and came to the conclusion someone had no fuel in the tank, fuel gauge very suss, I have to patch the tank up because it's weeping. Anyhows filling has been minimal due to zeroish use, and oil pressure light care of no fuel that helps make an engine go! I also have to fix the fuelling plastic pipe as it has broken away from the top filler section and replace the rubber hose to the tank since it is splitting from perishing. Current refuelling technique involves lying on the deck, wrenching out the plastic filler pipe, shoving a flexible length of garden hose down and sticking a funnel into the hose. All a bit fiddly really. One of numerous jobs to get the old girl back on her functional feet. Tank, exhaust and engine overhaul plus a couple of rear spheres should see me close to having it driveable. Damn they're good little cars.

  5. #5
    Fellow Frogger! Greg's Avatar
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    Hi Froggers,

    The problem at the front is always something at the rear or vice versa.

    And yes your right, the GS is a fabulous car, thats why there sold about 1.9 million of them,

    Best regards,

    Greg
    We Have:
    C5 HDI Exclusive 2.7 '09, Pluriel '09, Berlingo 1.6 HDI '10, C4 VTS coupe. C4 Picasso '08, 2CV Charleston '84 Grey, 2CV, '55 Australian delivered. 15/6 H '55, SM '74 BVM, DS21 EFI BVH, DS21 '67 BVH.
    We Had:
    1930C6F, '73 GS1220 wagon X 2, '75 G special, '75 GS panel van, '74 GS Birotor, '82 GSA panel van with factory AC, '85 CX25GTI BVM, 2002 C5 V6, 2006, C5 S2 HDI, '86 BX19GT, '72 DS21 BVM, '55 15/6H, '54 Lt 15,'73 Dyane, '82 Visa Super X, with Chrono Mecs & factory AC, 1972 SM.

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