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Thread: Hydraulic Tappets after Head Removal

  1. #11
    Join Date
    Jan 1970
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    Irymple, Victoria, Australia
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    It's not uncommon for the oil pressure light to flicker at idle on a Holden red motor. Even the workshop states this is normal.

    Cheers, Mick.
    1974 S3 88 Holden 186.
    1971 S2A 88
    1971 S2A 109 6 cyl. tray back.
    1964 S2A 88 "Starfire Four" engine!
    1972 S3 88 x 2
    1959 S2 88 ARN 111-014
    1959 S2 88 ARN 111-556
    1988 Perentie 110 FFR ARN 48-728 steering now KLR PAS!
    REMLR 88
    1969 BSA Bantam B175

  2. #12
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    Mar 2012
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    Porongurup Western Australia
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    It isn't a V8 it's a TD5

  3. #13
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    Mar 2012
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    [QUOTE=geodon;1686258]Wow! What's the oil pressure on those Rover V8's??

    It isn't a V8 it's a TD5

    Sorry posted that twice

  4. #14
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    A diesel!? Well that explains it then! From memory that's a common rail motor? So it needs heaps of pressure to open your injectors.

  5. #15
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    It started 2nd hit!

    Now, are the pushrods meant to rotate?

    There are 4-5 that do not.

    Important?

  6. #16
    lewy is offline Wizard Silver Subscriber
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    just thinking are nylock nuts right to run in a hot oil bath were they will be,never heard of them being used there before.

  7. #17
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    Mar 2009
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    Near Geelong, Vic.
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    Rockers

    These are dished on top. I surmise that these are meant to have oil in them delivered via the pushrod that then flows onto the top of the valve stems to lubricate & cushion the valve actuation?

    The reason I ask is that 3 are dry after 15mins idling so I'm guessing these pushrods have to come out & get cleaned?

  8. #18
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    Mar 2009
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    Quote Originally Posted by lewy View Post
    just thinking are nylock nuts right to run in a hot oil bath were they will be,never heard of them being used there before.

    Errrm! I use the term generically! That's what they LOOK like but it's probably a soft metal locking ring. Aluminium??

  9. #19
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    Mar 2012
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    Quote Originally Posted by geodon View Post
    A diesel!? Well that explains it then! From memory that's a common rail motor? So it needs heaps of pressure to open your injectors.
    Yes that's correct I didn't think of that. You do need high oil pressure for them.

  10. #20
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    Mar 2009
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    Final Note!

    OK! All done!

    I found it more decisive to tighten them up till I got a slight misfire then back off till smooth plus half a turn more.

    Would I not arrive at the same place??

    I got the pushrods all turning (albeit at different speeds) once adjusted but two still are not getting oil. I intend to run it ~ 100km then take off the rocker cover & check thay are getting oil. The motor hasn't run for at least 5 yrs so I will do an oil change then as well. If not I will have to go deeper via the inspection chambers on the side of the block- cam followers?

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