If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. |
|
|
Thread Tools | Display Modes |
#1
|
|||
|
|||
Leaking oil filler cap?
Hi all,
I have a slight problem with my US spec '98 A4 2.8 Quatro. It seems that the oil pools around the oil filler cap and then will drip down on to both the plastic covers and on to the head and exhaust manifold. I've replaced the oil filler cap once, but not the rubber seal that fits under it. Is that rubber seal supposed to be sealed down? Thanks. -- |
Ads |
#2
|
|||
|
|||
Leaking oil filler cap?
Paul Dhuse wrote: > Hi all, > > I have a slight problem with my US spec '98 A4 2.8 Quatro. > > It seems that the oil pools around the oil filler cap and then will > drip down on to both the plastic covers and on to the head and exhaust > manifold. > > I've replaced the oil filler cap once, but not the rubber seal that > fits under it. Is that rubber seal supposed to be sealed down? > > Thanks. > The seal is only held on by the tightened filler cap. You can try to replace it again but it is probably a symptom of a bigger issue. You might be getting excessive blow-by on the sides of the pistons due to worn rings and high miles. If this is the case you will have the shoice of rebuilding the engine or just living with the issue. |
#3
|
|||
|
|||
Leaking oil filler cap?
On Tue, 03 Jun 2008 23:11:52 -0600, TonyJ <"tonyjnospam at nospam visi.com">
wrote: > > >Paul Dhuse wrote: >> Hi all, >> >> I have a slight problem with my US spec '98 A4 2.8 Quatro. >> >> It seems that the oil pools around the oil filler cap and then will >> drip down on to both the plastic covers and on to the head and exhaust >> manifold. >> >> I've replaced the oil filler cap once, but not the rubber seal that >> fits under it. Is that rubber seal supposed to be sealed down? >> >> Thanks. >> >The seal is only held on by the tightened filler cap. You can try to >replace it again but it is probably a symptom of a bigger issue. You >might be getting excessive blow-by on the sides of the pistons due to >worn rings and high miles. If this is the case you will have the shoice >of rebuilding the engine or just living with the issue. Interesting theory - but even assuming "blow by" would force oil out the filler cap, wouldn't it be predicated by a defective PVC valve? |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Gas filler door spring? | Jim | Corvette | 2 | July 1st 06 10:21 AM |
Oil filler cap line | jrchilds | Ford Explorer | 5 | June 25th 06 12:10 AM |
Oil Filler Nut Gasket for '74 Bug | [email protected] | VW air cooled | 7 | August 29th 05 09:43 AM |
fuel leaking from fuel filler | Jeff Scherb | Jeep | 2 | March 29th 05 11:12 PM |
Filler neck band | azazel scratch | VW air cooled | 3 | December 20th 04 08:32 PM |