 gchemist
Member #271 Senior Chevytalk Moderator
Posts: 26062
Loc: Austin, TX 78748
Reg: 05-09-00
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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
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gchemist
Member #271 Senior Chevytalk Moderator
Posts: 26062
Loc: Austin, TX 78748
Reg: 05-09-00
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06-09-24 08:14 AM - Post#2870683
In response to gchemist
'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles
'08 GMC Acadia 3.6L SLE
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 Shepherd
Valued Contributor
Posts: 3442
Loc: Lake George, NY
Reg: 11-11-15
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06-09-24 11:13 AM - Post#2870690
In response to gchemist
Might want to use a non sparking punch here.
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gchemist
Member #271 Senior Chevytalk Moderator
Posts: 26062
Loc: Austin, TX 78748
Reg: 05-09-00
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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
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Edited by gchemist on 06-09-24 12:40 PM. Reason for edit: No reason given.
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gchemist
Member #271 Senior Chevytalk Moderator
Posts: 26062
Loc: Austin, TX 78748
Reg: 05-09-00
|
06-23-24 07:35 AM - Post#2871137
In response to gchemist
The Jimmy gas tank is back on. Both vent valves were replaced. Attached is a picture of the forward vent valve. The forward vent valve should be disconnected before removing anything. Both vent valves should be installed when the tank is off. The rear connection goes on easily. Only the forward one has a clamp on it. The Jimmy started 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
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