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Zetec oil leak ... ideas

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happypaul

Post subject: Zetec oil leak ... ideas

Posted: Sat Nov 19, 2011 6:06 pm

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I've got a leak.. a small one.. but its annoying having to top up.

It isn't coming from the pressure sensor on the back of the block...

But it seems to be dripping down somewhere on the gearbox end...

Any ideas other than sump gasket shitting its pants? Might try bodge some sealer around the sump to see if it stops

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Last edited by happypaul on Wed Dec 14, 2011 6:06 pm, edited 1 time in total.

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stainlessmole

Post subject: Re: Zetec oil leak

Posted: Sat Nov 19, 2011 7:00 pm

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My 2.0 has a leak around that region, it's definately behind the flywheel i know that. One day i'll bother to find it haha

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happypaul

Post subject: Re: Zetec oil leak

Posted: Sat Nov 19, 2011 7:11 pm

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Oh shit.

Screw that then, that will only get fixed if my clutch dies a death

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big g1985

Post subject: Re: Zetec oil leak

Posted: Sat Nov 19, 2011 7:50 pm

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crank shaft oil seal or maybe the the cam cover gasket

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happypaul

Post subject: Re: Zetec oil leak

Posted: Sat Nov 19, 2011 7:55 pm

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Its low down, so crank seal would tally up

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happypaul

Post subject: Re: Zetec oil leak

Posted: Sat Nov 19, 2011 8:27 pm

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Then again, I haven't checked the breather, or if its leaking from cam cover at that end and dripping around to the bottom

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- Danny Boy -

Post subject: Re: Zetec oil leak

Posted: Sat Nov 19, 2011 8:38 pm

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be shit if it was the crank shaft seal!!

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ben0307

Post subject: Re: Zetec oil leak

Posted: Sat Nov 19, 2011 10:49 pm

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Cam cover on my 1.6 engine used to weep slightly, but probably because the old gasket had been re-used several times. Wasn't enough to need topping up though.

Also had oil dripping from the bottom of the air filter housing, and running through the gearbox crossmember. The oil was coming from the breather pipe from the cam cover. This was on the day that I killed the engine on a track day though - never had a problem before during normal use.

The 2.0 engine that I bought had a leak in the crank seal area when I got it. Couldn't be sure if it was the seal itself, or the gasket between the seal carrier and the block. Since the flywheel and sump needed to be swapped anyway, we replaced the gaskets and seal at the same time.

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happypaul

Post subject: Re: Zetec oil leak

Posted: Mon Nov 21, 2011 3:49 pm

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I'll live with it if its the crank seal.
I'm not pissing about dropping the box clutch and flywheel until the box needs to come off again.
Clutch will probably die at some point, ready for my paddle clutch and might as well get a lightened flywheel at the same time.

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happypaul

Post subject: Re: Zetec oil leak

Posted: Wed Dec 14, 2011 6:02 pm

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Okay.. as I don't wanna be dropping half the engine to bits to change a seal I don't have to... I have had some more ideas...

Ive used 4ltr of oil (not fully.. maybe just topped up 3ltr worth at most, never checked engine oil level when I got it..) over 2 1/2 months or so.
Top half of engine had a slight coating which makes me thing the cam cover gasket might be the culprit and dripping down to the bottom of the sump/gearbox, doesnt seem to be on the cambelt/oil pump end of the engine, so that rules out the seal around the pump.

The crankcase breather box on the front of the block, which is fed from the inlet manifold sandwich plate... if this is blocked, then surely the engine will spit out excess oil where-ever it can?

The crank seals don't go very often on zetecs... So, first point of call would be clean out the breather box and pipes? Change the cam cover gasket? At worst sump gasket imo. If it is worse than that, I'd have to bite the bullet and do the crank seals, but I'm sure I'd be losing more oil than I am doing.

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EvilDes

Post subject: Re: Zetec oil leak ... ideas

Posted: Thu Dec 15, 2011 9:28 am

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Get some WD40 and clean up where you can and keep checking it to see if you can spot where it's coming from. If you've had a leak and been driving around a while it gets EVERYWHERE and often looks like it's coming from somewhere it's not.

It'll take you 5 mins to clean what you can up but may well narrow it down and save you hours of frustration!

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happypaul

Post subject: Re: Zetec oil leak ... ideas

Posted: Thu Dec 15, 2011 5:08 pm

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Good plan!
Cleaned up the head and everywhere I could while I was under it the otherday.

Slight film of oil on the head when I run my finger across.. so might be the rubber gasket on the rocker cover.
Which would make sense as it would run down the engine and gather on the sump, then drip..

Like you say, a little leak can make it look massive if its been on going!

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Daily isn't so Special. And it makes me sad.
Need space and time and I'll crack on with Jams si!

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EvilDes

Post subject: Re: Zetec oil leak ... ideas

Posted: Fri Dec 16, 2011 8:59 am

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Joined: Tue Dec 21, 2004 8:31 pm
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Ahhh awesome mate, I hope you've found it! Oil leaks are a bitch. I had one on the Pulsar after I done the engine rebuild because I didn't cut into the new copper washers on my oil feed for the turbo enough. Went everywhere though, made it look soooo much worse than it was!

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happypaul

Post subject: Re: Zetec oil leak ... ideas

Posted: Fri Dec 16, 2011 2:14 pm

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Joined: Thu Mar 30, 2006 1:23 pm
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Location: Lincoln
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Okay so parked at work on a slight forward slope. Nice puddle of oil under the car.
Had a look, and it seems to be coming from the rear and going along the bottom of the sump.

Felt around the back, the block is covered in black sludgy shite, but I'll have to clean it all up to work.out where its from.

Could be oil swtich in block.. surely oil shouldn't be coming from the headgasket??

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Daily isn't so Special. And it makes me sad.
Need space and time and I'll crack on with Jams si!

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AWOL

Post subject: Re: Zetec oil leak ... ideas

Posted: Fri Dec 16, 2011 7:50 pm

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Joined: Thu Jan 20, 2011 10:57 pm
Posts: 80

i'd go with oil pressure switch... as its easy to change and is cheap...

)

i had mine go and it was throwing a shed load of oil out

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Petrol

Post subject: Re: Zetec oil leak ... ideas

Posted: Sun Jan 01, 2012 11:33 am

sorry if im stepping on toes not read everyones, i know you said it seems high up

but id replace your cam cover gasket for the sake of it costing little, and check your cam cover breather pipe make sure its on good and tight, no holes in the pipe too

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happypaul

Post subject: Re: Zetec oil leak ... ideas

Posted: Mon Jan 02, 2012 12:11 am

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Joined: Thu Mar 30, 2006 1:23 pm
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Location: Lincoln
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Got a new gasket, just gotta get time to change it

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Daily isn't so Special. And it makes me sad.
Need space and time and I'll crack on with Jams si!

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