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Thread: Pcv

  1. #1
    Registered User 2Diesels's Avatar
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    Default Pcv

    Is there a replaceable PCV on the V8?
    It's a fine line between a hobby & a mental illness

  2. #2
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    Quote Originally Posted by 2Diesels View Post
    Is there a replaceable PCV on the V8?
    PCV Packed Cell Volume, a measure of the proportion of blood volume that is occupied by red blood cells.

    Positive Crankcase Ventilation
    Yes we have (somewhere) we do not remove and I don't think they go wrong often?

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  3. #3
    Registered User 2Diesels's Avatar
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    Passenger Carrying Vehicle

    Thanks chief, just it tells you to renew every 6 years on the MGR service sheets & as I have no history for this car I'm working through doing the lot, saying that it's not pressurising so must be working
    It's a fine line between a hobby & a mental illness

  4. #4
    #242 V8 on tour colintf's Avatar
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    I believe the recommendation is not to renew it
    colintf
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  5. #5
    no. 172 ZT SE Monogram
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    They take all of a few minutes to replace, and I would think its a worth while thing to do, but probably a clean out of the old one might be good enough. They;re just a ball valve on a light spring that open with sufficient manifold pressure. If they get stuck open then may make idle lumpy I think.

    they dont cost much - I think real steel in Uxbridge sell them.
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  6. #6
    Registered User 2Diesels's Avatar
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    I seeeeeeee so is that where the breather hose attaches to the throttle body? I'd like to clean it out at least, then there's just the gearbox oil & diff oil to do then I have a fresh starting point to work from as I think although generally the car seems to have been well cared for I think servicing may have slipped by the wayside this last year
    It's a fine line between a hobby & a mental illness

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    Ex-Admin, RIP Herman's Avatar
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    Quote Originally Posted by 2Diesels View Post
    I seeeeeeee so is that where the breather hose attaches to the throttle body? I'd like to clean it out at least, then there's just the gearbox oil & diff oil to do then I have a fresh starting point to work from as I think although generally the car seems to have been well cared for I think servicing may have slipped by the wayside this last year
    No, PCV valve sits on the rocker cover and is a twist fit


    Throttle body is this thing, called IAC-valve

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  8. #8
    Registered User 2Diesels's Avatar
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    Ahhhhhhh I should have known it's the same idea as the old Colgne V6, thanks for that
    It's a fine line between a hobby & a mental illness

  9. #9
    no. 172 ZT SE Monogram
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    As usual, a very helpful and informative post from Herman there. Nice one!
    MG ZT 260 SE Monogram, Olive black 2004 (LPG)
    Ford Mustang 289ci V8 (4.7) Convertible 1967, Silver
    Chevy Corvette convertible 350ci V8 (5.7), 1974, Metallic Blue
    Pontiac Firebird 403ci V8 (6.6), 1977, red
    Rover 214 Si 16v 1994 M White/grey (1600 k series)
    Rover 220 Turbo Coupe FDH 1995
    Rover Mini Cooper 1997 P
    Volvo 960 24v 2.9 estate 1991 J (in family from new)
    VW Polo 1.4SE auto 2005 (in family from new)
    Jaguar Mk 2 resto project
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  10. #10
    Ex-Admin, RIP Herman's Avatar
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    Quote Originally Posted by 2V8s View Post
    As usual, a very helpful and informative post from Herman there. Nice one!
    Where is a 'blush' smiley when you need one
    Fear keeps you alive. Fearless gets you killed

    Herman

    Vin#076 pics, Black, modified and with 234 RWHP and 276 lb/ft (275 BHP and 440 Nm @ flywheel)

    FJ1200, DynoJet Stage 1, K&N filter

    Alfa MiTo 1.4 Cloverleaf, 170 BHP, Alfa Rosso.

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