F4i - Main Forum Main F4i discussion board

f4i 2001 fuel pump leak

  #1  
Old 08-21-2015, 09:38 AM
Junior Member
Thread Starter
Join Date: May 2015
Posts: 4
Default f4i 2001 fuel pump leak

Hey all I just am in the process of putting my bike back together after having the fuel tank painted (doing a whole new body) -

I bought a brand new OEM gasket for the fuel pump to seat to the tank... but I cannot get it to stop leaking gas... am I supposed to put anything on it? I would guess silicone would get eaten by the gas and it'd still leak?

thanks in advance for any help.

Super bummed I can't get this fixed... brand new body pieces, beautiful new paint... and can't get the leak to stop... which renders the bike useless
 
  #2  
Old 08-21-2015, 10:56 AM
74demon's Avatar
Administrator and MVN, March 2012/Oct 2013 ROTM
Join Date: Sep 2011
Location: socal 949/951
Posts: 8,045
Default

That seal goes on dry.
Make sure that the sealing surfaces (module side too) are free of paint or anything else that would interfere with good sealing.

Is the pump assembly bolts bottoming out before the seal? You may need to give each "nut" on the tank a little tap so they allow the seal to compress.
 
  #3  
Old 08-21-2015, 11:31 AM
Junior Member
Thread Starter
Join Date: May 2015
Posts: 4
Default

Originally Posted by 74demon View Post
That seal goes on dry.
Make sure that the sealing surfaces (module side too) are free of paint or anything else that would interfere with good sealing.

Is the pump assembly bolts bottoming out before the seal? You may need to give each "nut" on the tank a little tap so they allow the seal to compress.
Thanks for the reply!
I dont believe they are bottoming out, no... I didn't do them in the sequence that I now see online in the .pdf manual I downloaded...

it seemed to be leaking around those little nub pieces of rubber that go through the flange... (why those exist, I have no idea)

would it hurt anything to add some sealant around it? to help ensure not to leak if I try it again? even though it's supposed to be dry?

Gasket Sealants : Permatex® PermaShield? Fuel Resistant Gasket Dressing & Flange Sealant

also, I have a huge question about seeing now in the manual its supposed to be 9 ft lbs tight? they can't be serious about that right? I mean that's like finger tight? it'd vibrate loose going down the road, within 5 miles, no?

the biggest concern I have now, is that even if I were to get it to stop leaking, how can I ever trust it to use the bike for commuting? that it will just start leaking again? very bummed out here.

I appreciate your help.
 
  #4  
Old 08-21-2015, 12:06 PM
74demon's Avatar
Administrator and MVN, March 2012/Oct 2013 ROTM
Join Date: Sep 2011
Location: socal 949/951
Posts: 8,045
Default

The nubs are there to hold the seal in place. Did you give them a pull with a pliers to lock them in?

Make sure your flange is clean.....
 
  #5  
Old 08-21-2015, 12:10 PM
Junior Member
Thread Starter
Join Date: May 2015
Posts: 4
Default

Originally Posted by 74demon View Post
The nubs are there to hold the seal in place. Did you give them a pull with a pliers to lock them in?

Make sure your flange is clean.....
sure did pull them through... (didn't know if I was supposed to or not, but it appeared so.)

and it seems like its leaking through those holes...
would it hurt anything to put some sealer around that?

I really appreciate your help.
 
  #6  
Old 08-21-2015, 12:13 PM
Senior Member
Join Date: Sep 2010
Posts: 167
Default

I just barely put a new gasket in mine as well and was leaking until A) I put the Fuel pump in the correct way B) pushed the little gasket lip on the inside by the metal filter all the way in and made sure that nothing was obstructing the gasket to completely seal on the tank, as well as the inside of the fuel pump housing.
 
  #7  
Old 08-21-2015, 12:16 PM
Junior Member
Thread Starter
Join Date: May 2015
Posts: 4
Default

Originally Posted by bowflexmaverick View Post
I just barely put a new gasket in mine as well and was leaking until A) I put the Fuel pump in the correct way B) pushed the little gasket lip on the inside by the metal filter all the way in and made sure that nothing was obstructing the gasket to completely seal on the tank, as well as the inside of the fuel pump housing.
thanks for the reply, by 'the correct way', do you mean not rotated 180 degrees? since its an oval type shape?

I couldn't see which way it was supposed to go as far as that goes, but is seems the high pressure hoses and what not only really fit one way, they'd be stretched if it was 180 degrees out (I think?)

thanks for your help!
I really appreciate it.
 
  #8  
Old 08-24-2015, 11:03 AM
Senior Member
Join Date: Sep 2010
Posts: 167
Default

Correct, It did stretch out the hoses a little bit, and the only reason I did it that way was due to someones guide to installation that did it wrong....
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
bowflexmaverick
F4i - Main Forum
19
08-07-2015 11:25 AM
AllDayJae
F4i - Main Forum
2
07-13-2009 04:37 PM
Prod
CBR 600F3
0
10-07-2008 08:46 PM
mrmcchickentrousers
CBR 600F4
4
09-03-2007 04:53 PM
Icefox
F4i - Main Forum
6
03-31-2006 11:51 AM


Thread Tools
Search this Thread
Quick Reply: f4i 2001 fuel pump leak


Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.