How to Replace the Fuel Damper
01-30-2019, 02:45 PM
#16
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If you see/smell raw gasoline in/near/around that area than likely the o-ring on the damper is failing. Also, a very loud ticking/knocking noise could also be a sign of a failing damper. However, if you have any doubts take it to a certified mechanic for a visual inspection/diagnosis.
I am not a certified mechanic, and will not be held responsible for a improper diagnostic opinion.
Good luck!
I am not a certified mechanic, and will not be held responsible for a improper diagnostic opinion.
Good luck!
! Also, to relieve fuel pressure, couldn't I just unscrew my gas cap instead of play with all the fuses and stuff?
01-31-2019, 08:10 AM
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07-28-2022, 11:51 AM
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You are able to replace the part without jacking the car up. Tight fit, but I was able to do it in under 30 mins this morning. The hardest part was being able to keep the green retainer clip in place and slide hose on.
11-28-2022, 05:44 PM
#23
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model Possible other issues that relate to a leaking or bad fuel dampener
New to forum but have enjoyed reading all I can about the fuel dampener (damper) on the G37 Sedan 2009 model.
I have a leaking dampener. getting worse. plan to replace this week. ordering the parts I would like too order anything else I may need. Planned to check all Fuel Injection parts for issues then order at once.
I have a leaking dampener. getting worse. plan to replace this week. ordering the parts I would like too order anything else I may need. Planned to check all Fuel Injection parts for issues then order at once.
11-28-2022, 05:49 PM
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New to forum but have enjoyed reading all I can about the fuel dampener (damper) on the G37 Sedan 2009 model.
I have a leaking dampener. getting worse. plan to replace this week. ordering the parts I would like too order anything else I may need. Planned to check all Fuel Injection parts for issues then order at once.
I have a leaking dampener. getting worse. plan to replace this week. ordering the parts I would like too order anything else I may need. Planned to check all Fuel Injection parts for issues then order at once.
Lately the transmission has not been downshifting when braking as it always does. my car is idling high and is hard to brake when at higher speed.
Could this be related too the dampener going bad, in addition to the terrible gas mileage I am getting, and the constant knocking from the failed dampener.
recent new brake pads and rotors
base model sedan 135k
I was thinking Throttle control module, or Idle air control valve? without the dampener acting up, I would head towards those areas, but this seems like it is related.
any ideas or help would be great. recently cleaned both throttle bodies and it was running great till this popped up, the dampener issue has been around for a month BTW.
Thank you
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