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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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S40 '01 Fuel LeakViews : 402 Replies : 1Users Viewing This Thread : |
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Jul 27th, 2021, 02:43 | #1 |
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Location: Simi Valley
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S40 '01 Fuel Leak
Hello,
I have an interesting issue on my S40. I can smell fuel and see a puddle of it on the throttle body when the car's electrical system has been turned on (but before the car has been started). The fuel is dripping down the vacuum hose, which I recently replaced as the last one was cracked and old. The new hose is silicone, larger OD but same 4mm ID, and is very snugly fit with an ear clamp on the regulator vacuum nipple. The small blue retaining clip that usually fits into the top of the regulator has fallen out. When I turn on the car, the leak goes away. No hard starts, no rough driving. Any ideas on what this could be? |
Aug 4th, 2021, 17:48 | #2 |
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Last Online: Jan 7th, 2024 19:12
Join Date: Jun 2021
Location: Simi Valley
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S40 '01 Fuel Leak
Update on the above: the fuel leak got worse over time -- there would be a sizeable puddle of fuel on the throttle body when turning on the car. Didn't want to take any chances with fuel on a hot engine, so swapped in a new regulator (PN 8658092) and haven't had any leaks since. Unfortunately it's $150-$200 for that part, but that's well worth to avoid risk of a fire. Hope this helps anyone else with a similar issue.
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