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Thread: What Things are Consumables for a Series III Gear Box?

  1. #1
    Lionelgee is offline YarnMaster Silver Subscriber
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    What Things are Consumables for a Series III Gear Box?

    Hello All,

    While you have a Series III gear box out of the car; what things would you consider to write on your Gear box Consumables Parts list?

    A while ago my Series III 109 "Rebus" spat its clutch. The previous owner had described how the gear stick would sometimes jump out of fourth gear either when coasting along a flat; or coasting down hill.

    I figured since I had to replace the clutch I might as well sort out the gear box issue. I did this by taking the gear box out of another car - of unknown history. I want to drain the oil and take the covers, and bellhousing off. The bellhousing had to be changed because Rebus is a six cylinder and the donor car was a four cylinder.

    I want have a good look around inside the box before fitting it to Rebus. I do not want to go through all the fun of re-installing the seat box and floor just to have to do it all again with a dicky gear box.

    I have a new set of gaskets for the gear box
    I have a new throw-out bearing.
    I have a new spigot bush
    The clutch and pressure plate are new.
    The fly wheel has been machined
    I have synthetic oil for the gear box and transfer case
    I have Hylomar - if it's good enough for a Rolls-Royce, it's good enough for my Series 3 - teehee! It may also assist in keeping the oil in the gear box

    What else should I be looking at for a parts to buy list to allow for "years of trouble free motoring".

    For a while the Rebus will only be used in the paddock as it is not registered.

    In some respects Rebus will be the trial and error vehicle as I gain more skills on, prior to overhauling my 2A ambulance's gear box. Rebus = Confidence builder. I hope!

    I have more parts for Series 3 gear boxes than I do Series 2A ones.

    Kind regards
    Lionel

  2. #2
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    Quote Originally Posted by Lionelgee View Post

    I want have a good look around inside the box before fitting it to Rebus. I do not want to go through all the fun of re-installing the seat box and floor just to have to do it all again with a dicky gear box.

    I have a new set of gaskets for the gear box
    I have a new throw-out bearing.
    I have a new spigot bush
    The clutch and pressure plate are new.
    The fly wheel has been machined
    I have synthetic oil for the gear box and transfer case
    I have Hylomar - if it's good enough for a Rolls-Royce, it's good enough for my Series 3 - teehee! It may also assist in keeping the oil in the gear box

    What else should I be looking at for a parts to buy list to allow for "years of trouble free motoring".
    Most of the internals are 'consumable' if it's not looked after......
    Have you got a copy of the Series III Repair Operation Manual. Lots of info in there including endfloat figures etc.

    Synchro clips (3) although I've read that the aftermarket ones are of dubious quality.
    Oil seals, I did have difficulty finding the correct double lipped seal between gearbox & transfer box.
    Loctite bearing fit in case any bearings are loose in their housing when fitted.

    Aftermarket bearing kits tend to have no-name bearings so it would depend on the usage after rebuilding. You might find 'name' brands are not available for some of the bearings.

    Not sure you need synthetic oil.
    I've read (someone will no doubt correct me) that synthetic is more 'seeking' i.e. it will leak from a joint where a mineral oil wont.
    I use EP 75W90 GL4. If you read up you will find that some GL5 oils damage yellow metals (bronze bushes) whereas GL4 is safe with older gearboxes.

    I use Permatex No2, also an aviation gasket sealant. Seems to do the job plus I have a dislike of silicon gasket sealants (long story) especially when people leave masses of squeeze out on the casings....how hard is it to clean up plus there is a similar amount of squeeze out on the inside which can break free and cause problems.

    Wallit had the gearbox reconditioned by the PO at a cost of about $4K. I stripped it down to replace a broken syncro clip and found a bearing spinning in it's housing and a bearing on the front output shaft rusty (maybe 4WD was never engaged to throw some oil around ?).

    If you want 'years of trouble free motoring' maybe another vehicle is a better bet..................

    Lots of overhauls on the Interweb Ben's Series 3 88" Land-Rover Project: LT76 Gearbox Rebuilt



    Colin
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
    '70 SIIa GS
    '76 SIII 88" (Isuzu C240)
    '81 SIII FFR
    '95 Defender Tanami
    '58 Series II (sold)
    Motorcycles :-
    Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C

  3. #3
    Join Date
    Jul 2006
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    Transmission consumables - bearings, seals, synchro rings and clips, layshaft, circlips, gaskets.
    URSUSMAJOR

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