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Thread: Head Gasket replacement

  1. #1
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    Question Head Gasket replacement

    Hi

    I have the dreaded coolant leak happening, plus a small oil leak though i'm not sure where that is coming from.

    Going through some of the other threads, I have come up with this list of parts and I am looking for comments, good or bad !

    ARP Stud Kit; ARP-157-4301

    Elring head gaskets; (LR #LVB500030)

    Payen Valley Gasket; JB894 (#LR AJM693)

    Valley gasket end seals;

    Trumpet base Gasket;

    Steel Exhaust manifold gaskets

    Rocker Cover Gaskets;

    Valve stem seals;

    Injector seals;

    O-Rings;

    Coolant hoses;

    Pushrods; Adjustable perhaps, or shims to set preload for rockers

    Most of this can be obtained in a good VRS set, then it seems you just need to buy the Payen Gasket

    Steve
    Last edited by TheTree; 22nd September 2015 at 09:04 AM. Reason: added pushrods

  2. #2
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    Steve
    Another item would be a long extension for tensioning up the head bolts. They are incredibly tight. I used a 1.5m extension on the end of the spanner
    Gary

    2007 Range Rover Sport TDV8

    Modified 1996 p38a HSE sold

  3. #3
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    so little time, so much to say,,
    do your research. read V8 rebuild threads.
    studs are good
    glue your rocker cover gaskets,
    glue your valley gaskets.
    I dont have a good opinion of any brand composite gasket.
    Head gasket torque is a "cross your fingers" moment.
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!


    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]

  4. #4
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    Quote Originally Posted by mtb_gary View Post
    Steve
    Another item would be a long extension for tensioning up the head bolts. They are incredibly tight. I used a 1.5m extension on the end of the spanner
    Mate

    I large breaker bar is a part of my weaponry already, though i may have to get another length of water pipe for extra leverage !

    Steve

  5. #5
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    Quote Originally Posted by Pedro_The_Swift View Post
    so little time, so much to say,,
    do your research. read V8 rebuild threads.
    studs are good
    glue your rocker cover gaskets,
    glue your valley gaskets.
    I dont have a good opinion of any brand composite gasket.
    Head gasket torque is a "cross your fingers" moment.
    Mate

    Do you prefer the stainless head gaskets ? Most seem to prefer the composite ones.

    I have been reading heaps, the threads on here as well as the Paul P38a page.

    When you say glue the gaskets do you mean with something like Permatex Hylomar?

  6. #6
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    Where is the dreaded coolant leak Steve?...engine rear?..on bell housing?
    2000 4.6 HSE Alveston red
    2007 307 xse peugeot
    1974 xj6l jaguar

  7. #7
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    Quote Originally Posted by daf11e View Post
    Where is the dreaded coolant leak Steve?...engine rear?..on bell housing?
    Mate,

    Rear of the engine you can see it running down the side of the engine

  8. #8
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    Thanks mate , reason I asked is I had a coolant leak at the rear for a while and after checking everything was 90% sure it was like Paul 's write up with head gasket leak rear and onto starter motor. You wouldn't believe since I had the coolant fire and replaced the top hose there is no more coolant leak at rear or loss. Don't know yet if I've dodged a bullet but we'll see....good luck with yours!
    2000 4.6 HSE Alveston red
    2007 307 xse peugeot
    1974 xj6l jaguar

  9. #9
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    Quote Originally Posted by TheTree View Post
    Going through some of the other threads, I have come up with this list of parts and I am looking for comments, good or bad !

    ARP Stud Kit; ARP-157-4301

    Elring head gaskets; (LR #LVB500030)

    Steel Exhaust manifold gaskets
    I used that ARP stud kit.

    Head gaskets - maybe Cometic MLS. That's what i used. They are pricey, though.

    I used the composite exhaust manifold gaskets but you may recall that Jilden mentioned he's had failures with them. http://www.aulro.com/afvb/p38a-range...-scouse-3.html
    Ron B.
    VK2OTC

    2003 L322 Range Rover Vogue 4.4 V8 Auto
    2007 Yamaha XJR1300
    Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA



    RIP Bucko - Riding on Forever

  10. #10
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    Quote Originally Posted by TheTree View Post
    Mate

    Do you prefer the stainless head gaskets ? Most seem to prefer the composite ones.

    I have been reading heaps, the threads on here as well as the Paul P38a page.

    When you say glue the gaskets do you mean with something like Permatex Hylomar?
    Multi layer steel, (MLS),, just do it.
    I used 40thou. wish I'd used 20 now,,
    I did the studs to 100lbs, you could go less,,,,
    but I wouldnt.

    lots of informed engine builders here to help with glueing gaskets,, any/everything that keeps fluids in or out needs glueing, whether its a spray hylomar for the MLS or a silicone for the valley,, its cheap insurance.
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!


    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]

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