Pelican Parts
Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help



Go Back   Pelican Parts Forums > Porsche Forums > Porsche 911 Technical Forum


Reply
 
LinkBack Thread Tools Rate Thread
Author
Thread Post New Thread    Reply
Registered User
 
Join Date: Apr 2015
Posts: 13
Fuel Smell in 73 911

Whenever I fill the fuel tank, I get a strong fuel smell inside my car. It usually goes away in half an hour or so. I would appreciate your thoughts. It only happens when I fill the tank. Thanks!

Old 10-06-2015, 08:32 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)
ROW '78 911 Targa
 
timmy2's Avatar
 
Join Date: Jul 2011
Location: Salem, OR
Posts: 9,050
Garage
Tank to filler neck rubber may have cracks?
__________________
Dennis
Euro 1978 SC Targa, SSI's, Dansk 2/1, Bitz kit EFI.
Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds.
Old 10-06-2015, 09:18 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #2 (permalink)
Registered User
 
kent olsen's Avatar
 
Join Date: Apr 2006
Location: McMinnville, Oregon
Posts: 1,466
Garage
Or the overfill hose
__________________
Kent Olsen
72 911 SCT
upgraded 3.0L
McMinnville, Ore
Old 10-07-2015, 03:14 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #3 (permalink)
Registered User
 
wayner's Avatar
 
Join Date: Apr 2007
Location: I live on the road, I just stay here sometimes...
Posts: 7,084
Venting tank


tank http://forums.pelicanparts.com/porsche-911-technical-forum/677889-1971-vapor-canister-delete.html
__________________
73 RSR replica
928 5 speed with phone dials and Pasha seats
914 wide body hot rod
My 73RSR build http://forums.pelicanparts.com/porsche-911-technical-forum/893954-saving-73-crusher-again.html
Old 10-07-2015, 04:42 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #4 (permalink)
Registered User
 
Join Date: May 2010
Location: Big Sky Country
Posts: 812
Garage
There is some "how-to's" in the search engine which was very valuable for me.

I have a '73 with a '75 CIS engine. Close inspection revealed a real horror story. There are two gas-fume accumulators (for lack of a better term. They are properly named in the PET schematics along with part numbers). One is under the dash in the frunk. It's an almost square, black plastic item with two ports for tubing. Both tubes were not hooked up. It's also a bear to properly attach so I left it to dangle; very light and not in the way of anything important.

There is another in the driver's side wheel well with two ports. It's pretty big, opaque bottle that looks like a juice container or coffee pot filler. On my car the whole shebang was missing including a clamp to hold the thing in place. The clamp is NLA and may be hard to source. I used a heavy duty bungee cord and a block of 2"x 4" to wedge it in. I found a used "bottle" from jr@retroautomotiveproducts.com for about $80. Upon closer inspection I determined that all the associated tubing was shot, so I replaced it. There are several places to source evap control tubing and most will tell you what and what it cannot be used for. It's pretty inexpensive and you'll need two sizes all of which is detailed in the PET diagrams.

I decided not to replace the braded lines that exit the charcoal canister and end up in the CIS as they looked OK and the job looked too hard!!

At the bottom of the page I have zero gas smell now and feel I've added a measure of safety to boot.

Best,

Tom
Old 10-07-2015, 08:35 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #5 (permalink)
Registered User
 
wayner's Avatar
 
Join Date: Apr 2007
Location: I live on the road, I just stay here sometimes...
Posts: 7,084
I read where Michel Keyser ( speed merchant author ) had his race car burst into flames when fuel from that missing system got onto a hot brake rotor
__________________
73 RSR replica
928 5 speed with phone dials and Pasha seats
914 wide body hot rod
My 73RSR build http://forums.pelicanparts.com/porsche-911-technical-forum/893954-saving-73-crusher-again.html
Old 10-07-2015, 10:49 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #6 (permalink)
 
Registered User
 
Join Date: May 2010
Location: Big Sky Country
Posts: 812
Garage
Wayner posts:
Quote:
I read where Michel Keyser ( speed merchant author ) had his race car burst into flames when fuel from that missing system got onto a hot brake rotor
I can visualize that happening. However so much of mine was either gone or disconnected that the probability for that exact problem was remote. All the fumes were collecting around the under frunk dash collector. But that's not good either!!!

Tom
Old 10-07-2015, 12:13 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #7 (permalink)
Registered User
 
wayner's Avatar
 
Join Date: Apr 2007
Location: I live on the road, I just stay here sometimes...
Posts: 7,084
Imagine a spark in the frunk!

Yikes...
__________________
73 RSR replica
928 5 speed with phone dials and Pasha seats
914 wide body hot rod
My 73RSR build http://forums.pelicanparts.com/porsche-911-technical-forum/893954-saving-73-crusher-again.html
Old 10-07-2015, 02:09 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #8 (permalink)
Registered User
 
Neilnaz's Avatar
 
Join Date: Aug 2013
Location: Christchurch, NZ
Posts: 281
Garage
I had none of the original system in my car when I bought it and the petrol tank just vented straight to atmosphere. The garage always smelt of petrol and the car was a fire hazard. I didn't realise this straight away but decided to investigate.

I decided to vent the tank via a (modern(ish) from a VW Golf Mk IV) carbon canister and then a small air filter. The result is that there are no petrol fumes. The original fittings are very hard to come by especially in NZ.

Cheers, Neil

Old 10-07-2015, 05:36 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #9 (permalink)
Reply

Thread Tools
Rate This Thread
Rate This Thread:

 

Tags
fuel , smell


All times are GMT -8. The time now is 05:31 PM.


 
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2020, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2020 Pelican Parts, LLC - Posts may be archived for display on the Pelican Parts Website -    DMCA Registered Agent Contact Page
 

DTO Garage Plus vBulletin Plugins by Drive Thru Online, Inc.