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Old 10-22-2004, 06:30 AM
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mech fuel pump - how tell if bad ? replaces easy?

Stock 67 cutlass with mech fuel pump.

Any suggestions on what is good way to figure out if gone bad?

Am novice here so asking if replacement is simple or what needs to be done to get it right? OR better question is - Can I screw it up?

Thanks

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Old 10-22-2004, 06:46 AM
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use a fuel pressure guage, you should be around 5-7 psi, if you change the mech pump, make sure you get the piston in the up position, before you go to bolt on the new pump, believe me, its much easier this way lol
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Old 10-22-2004, 06:49 AM
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Is the "piston" that arm that stick out of pump?
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Old 10-22-2004, 06:53 AM
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its what moves that lever, its in the block
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Old 10-22-2004, 07:45 AM
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ok - thanks for clarifacation there. since you said "lol" i have to ask is how does one put piston in up position? is that pain or something?
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Old 10-23-2004, 05:15 AM
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just start bumping the starter until its in position

i said lol because ive put a fuel pump in without doing that and let me tell you its fun trying to get everything lined up while at the sametime fighting to keep that pump arm fully depressed. I didnt find out the right way until after i was done.
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