Question about Volkswagen Jetta

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I have a 2001 Bora pd 115bhp engine code ajm... I recently done the head gasket in it and since it has been done the car is hard start from cold. the engine turns over for 10 or 15 seconds before it will start followed by some white smoke, but once the car is started its starts perfect until left for a couple of hours. problem was not there last week before the head gasket was done.

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  • mrnathanhunt Mar 13, 2011

    The head was pressure tested and skimmed and it was alright. The problem was not there before i dont the head so it is unlikey there is any crack in the cylinder head. car never overheated. The coolant has not run low since the head gasket was down so it couldnt be coolant leaking into a cylinder.

  • mrnathanhunt Sep 17, 2011

    I replaced the injoector seals and it made no difference. I have broung the car to a VW dealer and they told me i need to buy a new speedometer for my car that there is some issue with it and its leaving my car hard start

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Sounds like there was more damage present than just the head gasket. Perhaps a crack in the cylinder head. Was it pressure checked? Was the car overheated? The white smoke sounds like coolant leaking into one or more cylinders.

Posted on Mar 13, 2011

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  • mrnathanhunt Mar 13, 2011

    The head was skimmed and pressure tested and it was ok. it is unlikey the white smoke is caused by coolant as the coolant has not run low since the head gasket was replaced. the car had not overheated. once again the car was starting perfect before the head was done. could it be cause by diesel leakage ?

  • Ken Beckman Mar 13, 2011

    Well then I don't know what to tell you. The white smoke is caused by something in the combustion chamber. Perhaps the new head gasket was defective. As well, I've seen heads that pressure checked OK leak when they warmed up. What was the reason for the head gasket replacement? Have a smell of the exhaust on startup; glycol steam has a quite distinctive odour. Did you straightedge the block as well prior to assembly? How did you clean the block? You didn't use one of those bloody awful Scotchbrite discs did you?

  • bdog77 May 22, 2011

    i have the exact same problem....it could be injector seals that seperate the high pressure from the low pressure side leaking into eachother ?also i think there is a check valve in the side of the head between the fuel pump and the head ...i took the pump off yesterday because it was leaking and sealed it with silicone to so have to wait and see does that fix it ...but it is nothing to do with the head or loass of compression ...my other guess is one of the injector has a leaking seat and is draining the fuel rail over e few hours ...or the glow plugs which is affected by cooland temp sensor and fuel temp sensor ..cud be faulty ?ill wait and see but thats a few things i came up with

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