Any trick when screwing on black ring so it sets flush on fuel pump canister after replacement

Vincent Ricciotti

Asked by Sep 18, 2016 at 01:32 PM about the 2003 Mitsubishi Eclipse GS

Question type: Maintenance & Repair

First time replacing fuel pump.  Car is 2003 Mitsubishi Eclipse Spyder GS.  
Replaced the pump within the canister, put the canister in the tank, but can
not get the black plastic ring to screw on properly so that it sits flush.  I took
the black rubber seal off the pump canister and put it on the tank opening
first, so I know the canister is sitting flush with the tank.  The canister is nice
and tight, not even popping up.  Just can't get the damn ring to screw on
properly.  Any suggestions?  The wires aren't helping the situation much
either, but I can get them out of the way enough so I can spin the ring.  
Thank you.

1 Answer


On the threaded type of ring I have found that if you use a little silicone spray lube then turn it backwards until you feel a little drop that means that you have found the start thread on both parts then gently start to thread it on, if it get hard to turn before it reaches the sealing point then it is crossed threaded, if you have already tried t force it chances are high that you have already cross threaded the ring and it will be next to impossible to get it to thread on right, worse case you will have to get another ring.

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