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Topic: Im cleaning the MAF Help (Read 669 times) |
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ajs
Newbie
cozzie 2.9 24v
Posts: 7
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Im cleaning the MAF Help
« on: May 5th, 2004, 12:17pm » |
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after some great advice i am now cleaning the MAF do you think i should change the air filter also in the top left hand corner there is a small area that has a pipe coming into the air box from the engine this was full of thick oil is this normal ?
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Steve_S
Full Member
1997 scorpio ultima 2.9 24v lpg
 
Posts: 655
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Re: Im cleaning the MAF Help
« Reply #1 on: May 5th, 2004, 1:48pm » |
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Start the engine, remove the oil filler cap and hold your hand over the filler hole. There will probably be a little pressure being blowen out of the hole but if this is exsessive then the problem is engine wear.
Follow the pipe back to the breather on the near-side rocker cover. Pull out and clean the breather, piping etc. I generaly use parafin for the job, allow to dry before refitting. keep a close eye on it to see if there are any more problems. If the filter is dirty or is past its service date then change it. If not and there is only a small contaminated area then should be OK.
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Steve S
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dennisd
Newbie
I love YaBB 1G - SP1!
Posts: 2
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Re: Im cleaning the MAF Help
« Reply #2 on: May 5th, 2004, 9:28pm » |
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Hi I recently found oil as you describe but I also found a small filter in a slot where the pipe enters the air filter.
I am unsure why this small filter should be there or of its importance. Any comments!
Dennis
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TVR_TASMIN
Full Member
Posts: 187
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Re: Im cleaning the MAF Help
« Reply #3 on: May 5th, 2004, 11:11pm » |
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See post on give advice section.( Air Filter Box) posted by Paul B
Regards
Ian
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Eric_R
Administrator
Cosworth Owner 1998 - 2006 & site co-founder
Posts: 1792
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Re: Im cleaning the MAF Help
« Reply #4 on: May 5th, 2004, 11:38pm » |
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AJS,
The small pipe leading to the air cleaner box in the crankcase evacuation tube is designed to draw fumes from the interior of the engine and burn them in combustion. (It is unlawful for crankcase fumes to reach atmosphere)
The foam is there to prevent very small droplets of oil contaminating the air filter and reducing air flow to the engine - it's quite normal to find it thick with oil over a long period - it's done its job. It may well fall to peices if you try to clean it - cut a small peice of cleaning sponge and use that instead when you change the air filter.
This pipe can cause an unmetered leak to the inlet if the oil filler cap is loose or the dipstick is not fully home.
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After a Cosworth, anything else is just ... ordinary
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Paul B
Senior Member
'98 24V Ultima saloon
Posts: 2442
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Re: Im cleaning the MAF Help
« Reply #5 on: May 6th, 2004, 7:19am » |
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Eric... Do you mean those sponges withthe scratchy-type stuff on them?
Paul
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Two hundred & seven horses and only one jockey!
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ajs
Newbie
cozzie 2.9 24v
Posts: 7
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Re: Im cleaning the MAF Help
« Reply #6 on: May 6th, 2004, 9:41am » |
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HI All
Thanks for the advice Ive ordered a new little filter piece £1.30 ish
Ive cleaned the MAF made no difference to my gearbox problem but maybe the fact that the exhaust manifold is cracked isn't helping I've another one on it's way.
I've now ordered filters from Fordparts uk from the link,
great service and my cozzie booked in the garage next week can't wait
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Eddie
Full Member
Must try a different shampoo!
Posts: 495
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Re: Im cleaning the MAF Help
« Reply #7 on: May 7th, 2004, 5:44am » |
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Eric, Surely a leak via the crankcase breather would be BEFORE the MAF,and would therefore be taken into account...........wouldnt it?
Thinking of which,the last time I had my oil filler cap off with the engine running the blow back was quite noticeable! Oh well,as long as it lasts another 10-15K I will be happy.
eddie
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