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Username Post: '95 Jimmy fuel pump        (Topic#375169)
gchemist 
Member #271 Senior Chevytalk Moderator
Posts: 26051
gchemist
Loc: Austin, TX 78748
Reg: 05-09-00
06-09-24 06:09 AM - Post#2870680    

My old '95 Jimmy is still running. Well, it needs a new fuel pump. Helping my friend out, I discovered a few unique items. First, disconnect the forward tank vent valve hose! Otherwise it breaks and a new one is needed. Second, the lines are hard plumbed! 17mm and 16mm (5/8") wrenches are needed. Third, the lock ring is tack welded to the tank. Don't try to remove it! The pump is locked in with a smaller inner ring. Gently tap it with a small hammer and punch. A new pump has two locking tabs for orientation. The tabs lock on the tank ring. The tank for 29 years old was surprisingly clean inside. Once a new vent valve is installed, it should start right up.

'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles
'08 GMC Acadia 3.6L SLE


 




gchemist 
Member #271 Senior Chevytalk Moderator
Posts: 26051
gchemist
Loc: Austin, TX 78748
Reg: 05-09-00
06-09-24 08:14 AM - Post#2870683    
    In response to gchemist



Attachment: Jimmypump.jpg (127.05 KB) 3 View(s)


Jimmy fuel pump.


'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles
'08 GMC Acadia 3.6L SLE


 
Shepherd 
Valued Contributor
Posts: 3411

Loc: Lake George, NY
Reg: 11-11-15
06-09-24 11:13 AM - Post#2870690    
    In response to gchemist

Might want to use a non sparking punch here.



 
gchemist 
Member #271 Senior Chevytalk Moderator
Posts: 26051
gchemist
Loc: Austin, TX 78748
Reg: 05-09-00
06-09-24 12:39 PM - Post#2870696    
    In response to Shepherd

Brass punch for sure! The tank was completely drained. Not taking chances with an empty tank either. Oh, both vent valves nipples broke off. Two new valves are on order to finish the installation.

'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles
'08 GMC Acadia 3.6L SLE


Edited by gchemist on 06-09-24 12:40 PM. Reason for edit: No reason given.

 




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