Posts by Tickets
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A compression test won’t necessarily highlight an issue with worn oil control and oil scraper rings. If you have access to a compressor, get hold of a cylinder leakage tester and carry out a leakage test. You could do one run dry and a second run with a couple of squirts of engine oil onto the pistons and note your results. The oil should form a temporary seal and thus produce less leakage.
That might just be oil from the spark plug tube gaskets. Worn valve stem oil seals will give you excess smoke on start up. Idle and overrun conditions. Although because the multi air doesn’t have the same manifold depression as a conventional engine you may not see it at idle.
At the bottom of the spark plug tubes there are rubber gaskets. 55233644 ALFA ROMEO GIULIETTA 1.4 SPARK PLUG SEAL 55233644
You might want to get something like this so you can see the lower part of the cylinders which might be causing your issue.
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Multi air unit opens the valves a small amount at part/closed throttle. Shouldn’t affect the compression as compression relies on valves being closed.
Years ago I used some bore sealer for a 205 1.9 gti with worn piston rings. You put it down the plug holes 1 at a time and drive about 30miles before doing the next cylinder. It worked a treat. Does anyone know if you can still buy it?
Found it on Amazon. Although it’s out of stock 🙄
found this one on ebay
found this one on ebay
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Yeah. I’ve never used it or know of anyone who has used it before. I was looking for the holts stuff when I came across it. I didn’t really look into it in any detail.
He would have bought it by the gallon.
It could potentially hold the valves open similar to the old Vauxhall ohc engine ( the followers used to jack up when pressure was taken off them) but it wouldn’t cause oil burning and the engine would misfire.
Can I ask, how much warranty do you have left on the car? The reason I ask is.. to this point they have carried out what could be a temporary repair and once the vehicle is out of warranty you might struggle to get them to revisit the repair free of charge. In the UK a repair done under warranty doesn’t (or didn’t if the rules changed in the last couple of years) carry a warranty for any period outside the vehicle warranty period. Although most manufacturers will carry out goodwill gestures. In short, it might be prudent to check that the warranty regarding your oil usage will be honoured after your vehicle warranty expires as your issue will already be logged. I hope that makes sense 🙄.
If it’s leaking from the plug hole when you performed a cylinder leakage test is the O ring on the adaptor in good condition and was it tight?
Where do you stand regarding your warranty?
If you have a local engine/engineering shop they should be able to line the bore or if it’s a wet liner fit a replacement and fit a new piston for you.
Without using a bore comparator to check the bore you can’t say for sure. I would say it’s a 50/50. You might get away with it and get years trouble free motoring. Or you might not.
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