560 SL - Fuel Odor in Trunk - PeachParts Mercedes-Benz Forum

jgl1 Have '86 560 SL (135K miles)... 05-15-2000, 05:23 PM

MB STARS Have you check the EHA under... 05-15-2000, 06:07 PM

Benzmac Be sure the cap is new, not... 05-15-2000, 10:19 PM

Jim Villers I had a similar problem. I... 05-16-2000, 07:44 AM

JoeB Had same problem with 87 420... 05-21-2000, 04:57 PM

05-15-2000, 05:23 PM

jgl1

Registered User

Join Date: Mar 2000

Posts: 576

Have '86 560 SL (135K miles) that recently developed a persistent fuel odor in trunk. Fuel vapor expansion tank and related hoses have been replaced - tank had a small pinhole leak due to rust. Odor level dropped significantly after tank replacement but still persists - intensity varies daily. Odor becomes noticeable in passenger compartment if the hardtop is on and the vehicle is allowed to sit overnight. Fuel tank filler neck grommet was fatigued and also replaced. Fuel vapor capture system is apparently working, as fuel tank depressurizes slightly when tank filler cap is removed. Any ideas as to where the fuel odor is coming from?
Thanks in advance.

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