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Thread: Removing high pressure fuel pump question

  1. #1
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    Vehicle : saab 93 tid(150)

    Trim : sport

    Engine : 1.9 z19dth

    Year : 2005

    Mileage : 63000

    Default Removing high pressure fuel pump question

    Ive just watched the video showing inlet manifol change , it looked like he didnt touch the timing belt when removing the fuel pump(z19dth) is it right that you can remove the pump without having to loosen or touch the timing belt?

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    I believe so, yes, although I've only looked at the z19dt. The gear can be locked in position by using 2 of the cam belt plastic cover bolts through a couple of holes in the gear, into a couple of threaded holes in the bracket behind it.
    The fuel pump has 3 retaining nuts & washers (I think - it was a while ago) which when removed the pump can be slid off the shaft - careful retaining the woodruff key. Having said that, my HP pump wouldn't budge (stuck on the key) and as I was trying to get to the cylinder head, I just removed the entire alternator/HP pump bracket/damping chamber etc. - not much use to you if you don't want to remove the belt! But yes, don't see why you would have to remove the timing belt so long as it's held in position.
    Good luck!

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    Vehicle : saab 93 tid(150)

    Trim : sport

    Engine : 1.9 z19dth

    Year : 2005

    Mileage : 63000

    Default

    Cheers for the info ,the inlet manifold change is something ive wanted to do for a while but was put off with the thought of touching the timing belt but as i dont have to its something i will tackle myself in the near future

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    Be aware that to remove the inlet manifold that you will be scrabbling around to remove the rail, rail HP pipes, EGR heat exchanger/brackets & hoses etc... None of it is difficult (on the 120ps anyway) but getting hoses off solid pipes can be an absolute sod without the proper tools! Also, arm yourself with some suitably sized jubilee clips to replace those irritating hose spring clips which are easy to remove, but awkward to re-fit without the correct tool.
    You're meant to replace the rail HP pipes too if you disconnect them - if you don't look for fuel leakage when you reconnect and run up the engine. This is always the suggestion on HP connections as a precaution as the fuel pressures involved are very high (2000bar or so).

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