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Mercedes W123 Fuel Primer Pump Replacement

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Mercedes W123 Fuel Primer Pump Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

  • Now screw the new primer pump in by hand as far as you can, then use a wrench (the new ones take a 17mm) to snug it down. There is no need to wrench on it really heavily, just turn it until you feel resistance as the crush washer deforms to create a seal under the pump.

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