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Thread: Old Beetle Help Cleaning Oil Pump

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    Default Old Beetle Help Cleaning Oil Pump

    Hi,

    Help me to open and clean Oil PUmp of my beetle 1500cc


    Thanks


    Regards,


    Dr.MAQ
    http://www.aliqadri.com

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    wonhi STORM bhai

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    u cud go to saleem mechanic near the ganda nala on ferozpur road lahore.

    how much is the top speed of ur 150cc beetle !?

    i have a 1200cc 1974 bug and it has a TOP MAX speed of 75 mph....which is 120kph !!!

    but my bug is not in a good condition....it has no brakes, literally it has no brakes at all !!! not drivable at the moment !!!

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    the oil pump is easily removed once the oil pump cover plate (end of crank case plate under crank shaft pulley). remove the 4 retaining nuts and removce gears out of hte pump body. the pump body is situated over the same 4 nuts and is clamped between the 2 halves of the crank case. to remove the pump from the engine without splitting the case you'll need a special tool which fits over the studs, locks to the inside of the body and pulls it out.without the tool, you'll need to slacken the crankcase clamping studs above and below the pump to release the pressure on the body (pump). once this is done, a pointed toll (like a chisel) can be tapped against the outer edges of the pump which will slide over the studs. make a note to NOT force the tool (chisel) between the gaps as it can damage the pump body and the crankcase and could mess up the alignment when re-fitting it.

    the main piston of the relief valve is flat/smooth and should be a loose fit in the bore of the crank casze. any signs of siezure should mean tha t you need to replace the valve.

    the spring should be cleaned and checked, the correct specs are: under a load of 17lbs (7 1/4 kgs) should be 0.9inches (23.6mm) .

    in some cases there is a pressure regualting valves (post 1970) and in that case the lenght of the spring under load 9.6lbs (4.35kg) the length should be 0.7 inches (16.8mm). please note that if you DO NOT have any way to measure the values of the springs (such as in PK) you should just replace them if possible.
    1. A car is only worth what someone is willing to pay for it, 2. Resale wont save your life in an accident, 3. Genius has limits, stupidity has none, 4. Never argue with an idiot, they will bring you down to their level & beat you with experience, 5. Growing old beats the alternative -- dying young! 6. انّا للہ و انّا الیہ راجعون

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    Default

    Thanks Storm , this way is difficult i should get it cleaned by mechanic.

    @Yaseen; right now full speed isn't checked but i guess it is not more than 75km/hr because of chocked oil pump.

    I will tell you after fixing, 2ndly change you beetle's breaklines and master cylinder repair, to get it workable
    http://www.aliqadri.com

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    help help help ka topic ab chalta raha ga
    NAMAZ ADA KARO ISE SA PHALA KA THUMARI NAMAZA JANAZA ADA KIA JAY

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    @ Storm

    Thats quite a good description of the procedure. But I think you forgot to mention that the Crankshaft pulley and its small bottom shield has to come off before the oil pump cover plate is accessed fully. Otherwise it would be a wrestling match to get to the upper two nuts and then try to pry up the cover plate without bending the pulley shield.

    In order to remove the crankshaft pulley PROPERLY (ie without bending it) one should have a proper pulley puller.

    For a simple clean up, I dont believe you have to take the pump out. The gear can be taken off and cleaned simply.

    The oil pressure relief valve's cover is found at the bottom of the engine. It would look like a large screw head. There is one such valve in earlier engines and two in later. MAQ's bugs engine should have one, if its of 69 vintage like the bug was.

    @ MAQ:

    I honestly think you have been just given bad advice. Why in the world are yu suspecting the oil pump to be clogged up???

    A few facts to make you rethink:

    1. A choked oil pump and/or oil passages in the crankcase and/or oil cooler and/or oil pressure relief valve/s would manifest as follows:

    ---Low engine oil pressure. Evident by an oil pressure light which does not go off on starting the engine. Of course you have to be sure the switch for the light is not faulty.

    ---Overheating engine. Oil is the life of any engine but more important to the VW aircooled engines as it helps to both lubricate and cool. A poor engine oil circulation would definitely cause an overheating issue.

    ---Clues to choked oil pump/passages/oil cooler may be found if:

    --Engine was very badly maintained.

    --Engine oil on draining contained a lot of foreign matter.

    --Engine was being run with the oil cap missing (Ive seen that happen) etc etc.

    So now coming back to the problem MAQ is facing. He had pmailed me on this.

    Issue: Engine does not have the power it should have.

    A more reasonable approach to tackle this situation is:

    Assess whether the engine has life or is it worn out, ready for an overhaul:

    Heres a BASIC outline:

    ---Gives white smoke......keep in mind that VW engines seldom smoke like conventional engines so even if the engine does not smoke it still might be worn.

    ---Pull off the hose going from the engine oil filler cap area to the air cleaner. Does it give smoke when the engine is running?? A smokey crank case ventilation pipe signifies worn rings.

    ---With the engine switched OFF and dead cold try to pull and push the bottom crankshaft pulley. Any to and fro play means the main and big end bearings are worn. So the rings might be worn too.Time for a rebuild.

    ---See the condition of the engine oil. Would give obvious clues to whats happening inside. Badly maintained oil equals badly maintained engine equals bad internals.

    Lets see....have I forgotten anything???

    What should be done:

    By now you should have assessed that your engine doesnt need an overhaul soon (in which case you will have to decide wheter to take the plunge or if you want to make matters simpler go for a engine swap).

    Now go for a complete tune up and oil change. This should hopefully get your engine running far better than it is now.

    A helpful thread for you for the tuneup:

    https://www.pakwheels.com/forumreply_az_TopicID!61099~ForumID!34~pw.html

    Hopefully Ill come up with a pictorial step by step DIY for all to follow if they like.

    Questions??? Ask please!!

    Best regards.
    If there are no Beetles in heaven, Im not going!!!

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    Thanks bro, I will chk these and will confirm here. Thanks Again
    http://www.aliqadri.com

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    @ aliqadri

    Any progress??
    If there are no Beetles in heaven, Im not going!!!

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    @Asad; Haven't started the engine yet due to Alternator issue
    http://www.aliqadri.com

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    Is it an alternator issue, a generator issue or a cutout issue???
    If there are no Beetles in heaven, Im not going!!!

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    , All

    I have reparied Dynmo, BilalGunji Generator, and unpredicatble Cutout
    http://www.aliqadri.com

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    Your bug should have ONE dynamo/generator/alternator.

    Get rid of the unpredictable cutout as suggested in the other thread.
    If there are no Beetles in heaven, Im not going!!!

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    Ok Sir, I am getting New battery 45AH (Hopefully) by today, and will try to fix the repaired Orignal Dynmo & FAN Assey. with Recfiered Diods and manual cutout with AMP meter asap
    http://www.aliqadri.com

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    Ok Sir, I am getting New battery 45AH (Hopefully) by today, and will try to fix the repaired Orignal Dynmo & FAN Assey. with Recfiered Diods and manual cutout with AMP meter asap

    If possible can I get your cell number?
    http://www.aliqadri.com

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    Id suggest you get a bigger battery. The price difference is not much. Buy the biggest you can afford. Id say around 60 AH.

    Ill just pmail you my cell number.
    If there are no Beetles in heaven, Im not going!!!

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