is this job possible with the heads still on the block, when ive done the job previously on other cars the head has had to come off to clamp the valve and spring to remove the locating piece. but im aware with teh correct tool on some cars its possible without such in depth issues. however if the cam has to come out, the head may aswel really i suppose. just curious really.

Biggg pain in the rear job, full front belt strip, pulleys, back plates, 4 cams removal, so deep set in the heads its like mining for coal, not a nice job, why you thinking they need doing?

 

Jeff TT

ive had a problem with smoking ive got a thread running on the subject, im fairly sure its the rear tub seals but i wanted to eliminate other causes first before i went about pulling the block or anything drastic. im going to do the pcvs as a matter of corse. but i was wondering after last night if its a valve steam seal issue, id be quite happy to tackle it if needs be but obviously if its on a par hassle wise with tub replacement, as i suspected, id want to be damn sure its them.

what i need to do is work out what the issue is before progressing forward, im pulling the plugs to check the state of them oil fouled etc this weekend.

worse comes to worst jeff would you be able to provide me with a quote for diagnosis? the mot run sout in september so if its a majour failure rings or tub failure il take the car off teh road over winter to pull it apart.

really easy on a MK2 cortina:biggrin:

lol yeah it however isnt lol. if it was a crossflow or pinto engined car i would of ripped the car apart and rebuilt it twice over. honest lol.

Valve stem seal leakage, would cause smoke at first start as the oil drips into the cylinders at night. id of thought if they where really bad they would leak continusly.

 

If its smoking and it has a blue tint to it, its either PCV's, turbo seals, or piston rings.

 

You can always do a compression test, that should rule out piston rings, but id think you would be looking more at turbos to be honest matey.

leakdown test is on the cards to rule out rings but as you say i recon its tub related. pcv seem a cheap logical service item to do in any event. as you know though im just tryiong to cover the bases.

 

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i take it valve stem seal failure on these engines is not a common common thing...

nope not really .. there only changed when engine is being rebuild