stepside fender mounting - The 1947 - Present Chevrolet & GMC Truck Message Board Network

junkyard truck · 03-27-2005, 01:10 AM

who can tell me if there some type of gasket between the rear stepside fenders and the the bedside. fenders seem to be noisey and maybe i forgot the gasket to cut the rattle noise,

Thanks

sneakysnake · 03-27-2005, 01:55 AM

They originally just had some caulk like material between them,but if you are getting noise check all the bolts and braces.

krue · 03-27-2005, 02:18 AM

LMC has a vinyl gasket type rig that I tried. I hate it, looks like crap. Next time I remove the fenders when they go back on I am gonna get some of the stuff the electricians on my last submarine called "monkey sh!t", which doesn't set up and dry out. That's what the factory stuff looked like.

Pilgrim · 03-27-2005, 10:38 AM

Monkey dung is also good for sealing anything that comes through the firewall.

stllookn · 03-27-2005, 11:52 AM

Your local body shop will sell a product called GM Strip-Calk that is intened to be used between the fender flange and body. It is a sticky black material that looks like black licorice roll candy that you put between the flange and and fender. When you tighten the bolts it extrudes to fill the joint and then scrape away the excess if it happens to extrude out of the joint. It is not very expensive and you will get enough to do several trucks in one box but it should last forever.

bobs409 · 03-27-2005, 12:44 PM

There should be "fender welting" in between the fender and bedside. I got mine from Chevy duty and it works well, looks great. They had black or chrome.

I like the idea of sealing that area with seam sealer/body caulk but I'd be afraid of sealing in moisture or trapping water and making matters worse.

krue · 03-27-2005, 01:41 PM

Quote:

Originally Posted by bobs409

There should be "fender welting" in between the fender and bedside. I got mine from Chevy duty and it works well, looks great. They had black or chrome.

That's the same stuff I have now. My fenders were taken off the truck when it was new and stored in a barn until I bought the truck. The fenders (which looked brand new) had a kind of caulk on them, it ws nothing like the fender welting and I won't be reusing the fender welting.

03-27-2005, 01:10 AM	#1
junkyard truck Registered User Join Date: Mar 2005 Location: edna, texas Posts: 24	stepside fender mounting who can tell me if there some type of gasket between the rear stepside fenders and the the bedside. fenders seem to be noisey and maybe i forgot the gasket to cut the rattle noise, Thanks __________________ 69 chevy short stepside

03-27-2005, 02:18 AM	#3
krue Designated A-hole! Join Date: Mar 2003 Location: South Mississippi Posts: 36,450	LMC has a vinyl gasket type rig that I tried. I hate it, looks like crap. Next time I remove the fenders when they go back on I am gonna get some of the stuff the electricians on my last submarine called "monkey sh!t", which doesn't set up and dry out. That's what the factory stuff looked like. __________________ "If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck"

03-27-2005, 10:38 AM	#4
Pilgrim Registered User Join Date: Mar 2003 Location: Crescent City, FL Posts: 492	Monkey dung is also good for sealing anything that comes through the firewall. __________________ Bob 68 C20 Camper Special

03-27-2005, 11:52 AM	#5
stllookn Saving 1 truck at a time! Join Date: Aug 2001 Location: Kent, WA Posts: 6,465	Your local body shop will sell a product called GM Strip-Calk that is intened to be used between the fender flange and body. It is a sticky black material that looks like black licorice roll candy that you put between the flange and and fender. When you tighten the bolts it extrudes to fill the joint and then scrape away the excess if it happens to extrude out of the joint. It is not very expensive and you will get enough to do several trucks in one box but it should last forever. __________________ '68 C20 Longhorn 50th Anniversary 400/TH400 '68 C20 Longhorn 50th Anniversary 468/TH400w/buckets '72 C20 Halfhorn (Longhorn w/o cab and front clip) '69 Flxible Cruiser (look up ugly in the dictionary)

03-27-2005, 12:44 PM	#6
bobs409 1969 Custom 30 wrecker Join Date: Sep 2001 Location: Pottsville, Pa Posts: 2,611	There should be "fender welting" in between the fender and bedside. I got mine from Chevy duty and it works well, looks great. They had black or chrome. I like the idea of sealing that area with seam sealer/body caulk but I'd be afraid of sealing in moisture or trapping water and making matters worse. __________________ Bob 63 Impala 283/PG/3.36 (under restoration) 66 Impala 327/PG/3.36 66 Chevelle SS 409/M22/3.55 69 Chevelle 307/PG/3.08 (future restoration) 69 C10 short stepside 454/TH350/3.73 69 Custom 30 tow truck 350/4 spd/4.10 (resto done, CRUISIN TIME!) 71 Cheyenne 20 fleetside 350/4 spd/4.10 71 Chevelle 6/PG/3.08 72 Chevelle 454/M21/4.10

03-27-2005, 01:55 AM	#2
sneakysnake It's a catastrophic success. Join Date: Jan 2003 Location: Oklahoma Posts: 2,077	They originally just had some caulk like material between them,but if you are getting noise check all the bolts and braces.

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