CUCV inner fender

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SDJunkMan

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Rapid City/SD
While working on my 1009 I see that I need to replace the inner fender on the passenger side. Does the CUCV use a special inner fender or do the reinforcement brackets for the battery trays come off and can be used on the new inner fender? It doesn't look like there is anything different on the drivers side, or is there?
 

cucvrus

Well-known member
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Jonestown Pennsylvania
You must use a grinder and grind thru the apron skin from the under hood side. Do this after you remove it. The reinforcements are spot welded in place. The right inner fender is the only one that has it. Nothing special about the left apron. Good Luck.
 

SDJunkMan

Member
33
11
8
Location
Rapid City/SD
You must use a grinder and grind thru the apron skin from the under hood side. Do this after you remove it. The reinforcements are spot welded in place. The right inner fender is the only one that has it. Nothing special about the left apron. Good Luck.
Thanks, that's what I figured. Just wondered before I started looking for a replacement.
 

cucvrus

Well-known member
8,479
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Location
Jonestown Pennsylvania
Basically the new replacement inner fender aprons are all imports. They have a wash primer only. They will rust thru in 2 years in the northeast if they are not properly coated. I scuff mine and prime them with a sealing primer. I prefer black primer on these. I use a rustproofing undercoating to do the top coat. Rusfree is the trade name. It dries nice and tack free and holds up excellent. Make sure to lube the J nuts in the fenders to ease installing the new aprons. Also I recommend using new attaching hardware and fasteners. The old stuff has been there a long time and new fasteners make for a nice job. Good Luck. Also sand and coat the outer fender surface under the apron. That tends to be a bit rusty between the 2 panels. Take your time and do it right the first time. Back in the day I paid $35. each for the Genuine GM inner aprons. My current build has the OEM right inner apron. That was one of the first things I removed and painted when I bought these trucks back in the day. Be Safe. Good Luck.
 

SDJunkMan

Member
33
11
8
Location
Rapid City/SD
Basically the new replacement inner fender aprons are all imports. They have a wash primer only. They will rust thru in 2 years in the northeast if they are not properly coated. I scuff mine and prime them with a sealing primer. I prefer black primer on these. I use a rustproofing undercoating to do the top coat. Rusfree is the trade name. It dries nice and tack free and holds up excellent. Make sure to lube the J nuts in the fenders to ease installing the new aprons. Also I recommend using new attaching hardware and fasteners. The old stuff has been there a long time and new fasteners make for a nice job. Good Luck. Also sand and coat the outer fender surface under the apron. That tends to be a bit rusty between the 2 panels. Take your time and do it right the first time. Back in the day I paid $35. each for the Genuine GM inner aprons. My current build has the OEM right inner apron. That was one of the first things I removed and painted when I bought these trucks back in the day. Be Safe. Good Luck.
Sounds good. I didn't plan on trusting the paint that came on the new inner fenders. I heve some other rust that I have to get after as soon as the weather warms up.
 

acthomp781

Member
57
4
8
Location
Massillon, OH
Sounds good. I didn't plan on trusting the paint that came on the new inner fenders. I heve some other rust that I have to get after as soon as the weather warms up.
I replaced the inner fenders on my M1009. When I removed the old passenger side one, I noticed how accessible the fuel pump was, so I replaced it. I would suggest it would be a good time to replace your fuel pump if original. Just a suggestion.
 
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