5 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHair dynamics around the front tires
Leading reported evidence
Replace air guide
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that contain suggestions
1
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Suggestion
any secrets to replacing air guide to fender liners?
Leading evidence: 'Replace air guide' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace air guide' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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1
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Suggestion
You will not notice ANY change by replacing or leaving them alone.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion · Original poster
My 2001 996 was up on a lift having an oil change when I noticed that the plastic bits that deflect air around the front tires had become mangled and beaten by a decade of rocks and road debris.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion · Original poster
Looks like an easy DIY to replace and the cost for the 4 little parts will run $100.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
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Suggestion
I believe those air dams are there to help create a low pressure area behind where the radiator air exits to encourage air flow through the radiators when the car is moving to reduce the amount of radiator fan run time.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
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Suggestion · Original poster
My 2001 996 was up on a lift having an oil change when I noticed that the plastic bits that deflect air around the front tires had become mangled and beaten by a decade of rocks and road debris.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
I believe those air dams are there to help create a low pressure area behind where the radiator air exits to encourage air flow through the radiators when the car is moving to reduce the amount of radiator fan run time.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
5 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261027T013556Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hello all,
My 2001 996 was up on a lift having an oil change when I noticed that the plastic bits that deflect air around the front tires had become mangled and beaten by a decade of rocks and road debris.
Looks like an easy DIY to replace and the cost for the 4 little parts will run $100.
I don't mind spending the $ as long as the enhanced air effects and improved handling is something that can be appreciated at < 100 MPH!
Here are the part numbers and a link in case you wanted to see a picture.
Should I "invest" $100 ?
996-504-503-00-M100 "rubber lip for fender liner"
996-504-504-00-M100
996-504-603-00-M100 "air guide for fender liner"
996-504-604-00-M100
http://www.pelicanparts.com/cgi-bin/...04-503-00-M100
http://www.pelicanparts.com/cgi-bin/...04-603-00-M100
I believe those air dams are there to help create a low pressure area behind where the radiator air exits to encourage air flow through the radiators when the car is moving to reduce the amount of radiator fan run time.
This is beneficial at any speed.
There are also I think air deflectors to help route cool air to the front brake rotors.
I always renew any of these when they get damaged. Fortunately, they get damaged very very seldom.
You will not notice ANY change by replacing or leaving them alone. The tires when spinning act as a huge air pump (that's why many race cars have louvers at the top of the fenders) and will suck the air out from the radiators. Also there is a huge amount for positive pressure in front of the radiators. Those rubber pieces are probably there for sustained high speed aerodynamics (autobahn speeds) that can only be noticed under extreme circumstances. If you concern is aerodynamic stability or radiator cooling, save your money and leave them alone.
Thank you for your post. From the other comments I wanted to make sure the air flow was functioning properly to keep things in good condition. I do love to power up but by no means autobahn speeds
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