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  1. G

    Bosch High Pressure Pump for astr z2.2yh

    Hi, has anyone replaced the trouble plagued Continental/Seimens (diaphragm} hp fuel pump with the Bosch piston type pump? If so how is it working. If you can get them they supposedly last a lot longer and are half the cost of a new {not gunna last long) Continental/Seimens pumps. cheers Glenn
  2. G

    High Pressure Fuel Pump

    Hi All I have a 2009 Astra Twin Top z2.2ah. The High pressure fuel pump failed and I didn't feel like paying $1300 for a new one so I got a rebuild kit and disassembled pump and replaced the three diaphragms. I used the reassemble in bowl of ATF oil method to fill it and i wasn't real confident...
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