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01-06-2010, 09:18 PM
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#1 |
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Registered User
Join Date: Oct 2005
Location: Ontario, Canada
Posts: 145
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Gas tank filler neck grommet installation
Can a new filler neck grommet be installed without taking out the gas tank? Can it stretch over the neck from the outside?
thanks Mark 1970 c10 |
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01-06-2010, 10:56 PM
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#2 |
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Registered User
Join Date: Aug 2009
Location: St. Paul MN.
Posts: 1,996
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Re: Gas tank filler neck grommet installation
Soap up the grommet good, slip over neck and used a pick from the inside of cab to help pull the lip over.
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01-06-2010, 11:58 PM
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#3 |
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Registered User
 Join Date: Sep 2009
Location: Lubbock Texas
Posts: 1,049
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Re: Gas tank filler neck grommet installation
The answer to your two questions... yes yes. Hayhauler is on the right track.
Paul
__________________
You can shear a sheep every year, but you can only skin it once The person dealing with facts is never at the mercy of the person dealing with theory 1972 Cheyenne Super 402 400 A/c bucket seat tilt custom camper Longhorn 1975 Silverado 454 Crew cab camper special dually |
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02-10-2015, 10:35 PM
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#4 |
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Registered User
Join Date: Sep 2014
Location: Lehi, UT
Posts: 4
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Re: Gas tank filler neck grommet installation
Here's the trick. Put the grommet in a pan of boiling water and heat it up. Hot enough so you can just barely hold it your hands. Lube it up with dish soap or WD40 and it will go right in. This also works for installing new vent window rubber (which is pretty hard). I've used this method for more than 30 years and it works every time.
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02-10-2015, 11:07 PM
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#5 |
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Registered User
Join Date: Jul 2007
Location: Fall River California
Posts: 2,026
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Re: Gas tank filler neck grommet installation
Ky jelly.
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http://smg.photobucket.com/albums/v655/aaronhero/ |
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02-10-2015, 11:21 PM
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#6 |
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Moderator
 
Join Date: May 2007
Location: Southern Cal
Posts: 20,008
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Re: Gas tank filler neck grommet installation
I've always used WD40 and they pop right in.
__________________
1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man |
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02-11-2015, 09:45 PM
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#7 |
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Registered User
Join Date: Dec 2013
Location: Durango, CO
Posts: 827
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Re: Gas tank filler neck grommet installation
Once you get it installed, you can use a little silicone caulk to actually make it weatherproof...
__________________
1972 K10 Cheyenne Super | LWB, fleetside | 350/350/205 | KEEPER 1971 K10 Cheyenne | SWB, fleetside | LS Swap 5.3/4L60 | SOLD 1976 Trans Am | 400/4-spd | SOLD 1976 Trans Am | 455/4-spd | TOTALED 
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02-12-2015, 12:08 PM
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#8 |
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Registered User
Join Date: Apr 2014
Location: Thousand Oaks, CA
Posts: 118
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Re: Gas tank filler neck grommet installation
Great info. wish I had known that BEFORE I had to muscle out the seat and gas tank..!
__________________
1967 C10: My next project 1964 SS Impala Hardtop, low and slow 2007 Harley Street Glide .... When all else fails to start. Last edited by briscuba; 02-12-2015 at 12:23 PM. |
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02-12-2015, 01:01 PM
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#9 |
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The Older Generation
 
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,546
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Re: Gas tank filler neck grommet installation
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For replacement grommets you only need to know two words: Classic Heartbeat.... LockDoc Quote: "Hey you guys having all the trouble with your gas filler grommets... We have had our own grommet produced and we provide a 5 year warrantee against cracking, fading or any degradation. Made in the USA!! They are not as cheap as the others but you wont be pulling your tank every few months replacing it either.... WES" http://www.classicheartbeat.com/ No I don't work for them, or own the business... 
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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02-12-2015, 01:32 PM
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#10 |
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Registered User
Join Date: Oct 2009
Location: canton ga
Posts: 12,728
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Re: Gas tank filler neck grommet installation
I completely agree with LocDoc above .I bought 2 of the grommets from another supplyer and not even a year out they were shot ,completely rotten .I have since replaced them with the ones from ClassicHeartbeat .
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02-12-2015, 02:21 PM
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#11 |
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Registered User
Join Date: Jan 2015
Location: West Haven, Utah
Posts: 135
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Re: Gas tank filler neck grommet installation
They're out of stock...
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1970 C20 350/TH350, LB God Bless our Troops 
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02-12-2015, 02:33 PM
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#12 | |
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The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,546
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Re: Gas tank filler neck grommet installation
Quote:
I looked at that too. I think that is just for the New Old Stock ones. Call and talk to Wes about what you need. I think he is reproducing them now. LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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02-12-2015, 03:36 PM
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#13 |
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Registered User
Join Date: Jan 2015
Location: West Haven, Utah
Posts: 135
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Re: Gas tank filler neck grommet installation
__________________
1970 C20 350/TH350, LB God Bless our Troops
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02-12-2015, 03:46 PM
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#14 |
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Registered User
Join Date: Jun 2014
Location: Houston, Texas
Posts: 722
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Re: Gas tank filler neck grommet installation
Not to hijack the thread, but how do you get the old grommet off without scratching the paint or damaging anything?
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1972 Chevrolet C20 Cheyenne Custom Camper LWB - 350 / 330 HP GM Crate - TH350 / Mild Shift Kit - Dark Blue / Medium Blue - Paint Code 559 |
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02-12-2015, 07:58 PM
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#15 |
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Registered User
Join Date: Oct 2009
Location: canton ga
Posts: 12,728
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Re: Gas tank filler neck grommet installation
I took a new and very sharp razor knife and cut around the perimeter of the gas filler neck and then pushed it thru into the cab with a screw driver .Im sure there is probably a better or easier way but it worked for me twice .
When I installed the new ones I rubbed the filler neck and the grommet with baby oil and worked it right in place . |
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