adam1942 Posted February 19, 2014 Posted February 19, 2014 So my cars been drinking quite a bit of oil in the last few months and its getting worse.. I only did around 700-800 miles last month and it drank about 2.5 litres (hard to tell on that dip stick!) This morning I started it and for about the first 20 seconds it was clearly just burning oil.. this stopped. The car currently drives fine and pulls to the red line as normal. I have a VQ35DE Up rev motor and I know that its common to use a lot of oil but is it common to use THAT much? Also what would the first 20 seconds burning oil suggest? Is the engine knackered and should I start saving for a new one? Cheers Adam. Quote
350 Russ Posted February 19, 2014 Posted February 19, 2014 I'd start saving for a new one or a rebuild, sounds to me either piston rings or valve seals Quote
adam1942 Posted February 19, 2014 Author Posted February 19, 2014 Bugger.. Oh well needs must Gutted as I was looking at getting rid of it in June and buying this (www.pistonheads.com/classifieds/used-cars/audi/rs4/audi-a4-b7-rs4-quattro---------------2007/1925350) if it was still for sale. Any guide lines on prices Russ? Quote
R35LEE Posted February 19, 2014 Posted February 19, 2014 £1,500-2,000 is about right for a good one. Maybe cheaper with high mileage Quote
adam1942 Posted February 19, 2014 Author Posted February 19, 2014 (edited) Cheers R35Lee Any ideas on cost to swap the motor or is it something I could attempt at home? Edited February 19, 2014 by adam1942 Quote
firemansim Posted February 19, 2014 Posted February 19, 2014 Stick a can of "Restore" in it and see how it goes. Quote
Arran Posted February 19, 2014 Posted February 19, 2014 Check the rocker covers for oil around the plugs mate first before any engine replacement Quote
adam1942 Posted February 19, 2014 Author Posted February 19, 2014 Thanks Arran and Firemanism. what would oil around the plugs suggest? Quote
R35LEE Posted February 19, 2014 Posted February 19, 2014 The seals in the rocker cover would be goosed, they are the seals for the plug tubes. Sounds like your burning the oil and not using it though. If you keep topping it up with oil it should keep going for a good while yet though Quote
370Ad Posted February 19, 2014 Posted February 19, 2014 Stick a can of "Restore" in it and see how it goes. Does that stuff actually work?! I don't really get how an oil could fill up holes in metal?! Quote
Arran Posted February 19, 2014 Posted February 19, 2014 Im sure the oil will seep through onto the pistons with the plug holes full of oil though, I reckon thats where your problem lies fella Quote
WhackyWill Posted February 19, 2014 Posted February 19, 2014 (edited) Try this worth it for a tenner.. http://www.ebay.co.u...984.m1436.l2649 or do a compression test and you'll know if you have ring problems. Edited February 19, 2014 by WhackyWill Quote
350 Russ Posted February 19, 2014 Posted February 19, 2014 Im sure the oil will seep through onto the pistons with the plug holes full of oil though, I reckon thats where your problem lies fella I really can't see it being that, spark plugs have to make an air tight seal to keep up compression in the head so no oil would be getting by, The first thing you should do is to do a compression test on the engine and try and determine whether it's low or not, if it is then I'm afraid it's going to be expensive Quote
firemansim Posted February 19, 2014 Posted February 19, 2014 Stick a can of "Restore" in it and see how it goes. Does that stuff actually work?! I don't really get how an oil could fill up holes in metal?! I had a Volvo v70 that had 200K + on the clock and smoked like a chimney, put a can of "Restore" in it and after 1K it stopped smoking and burning oil. I can only judge from my experience. Quote
cmck13 Posted February 19, 2014 Posted February 19, 2014 I agree, the way forward is the compression test. Quote
Tricky-Ricky Posted February 19, 2014 Posted February 19, 2014 Oil control ring problems wont normally show up on a compression test, however I would try a leak-down test and see if that will reveal anything more. Quote
Arran Posted February 19, 2014 Posted February 19, 2014 On the power cycle though the car will be drawing oil in from the plugs. So say you accelerate to x mph and let off for about ten seconds then put your foot back on the accelerator and you see a tinge of blue smoke. That will be the oil from the plug holes being pulled in and burnt off. If your smoking all the time then its a different scenario Quote
WhackyWill Posted February 19, 2014 Posted February 19, 2014 Or have a go with this if your selling it. http://www.ebay.co.uk/itm/MOT-Fail-Blue-Smoke-Quick-Fix-with-AMETECH-ENGINE-RESTORE-OIL-STOP-LEAK-/261336463786?pt=UK_Vehicle_Oils_Lubricants_Fluids&hash=item3cd8ddf9aa Quote
Arran Posted February 19, 2014 Posted February 19, 2014 What are the readings meant to be on compression test? What psi do nissan specify Quote
R35LEE Posted February 20, 2014 Posted February 20, 2014 You really need to be sure of the issue before attempting to hide or bodge it with liquid wood shavings. Get a competent mechanic to check it out first and go from there 1 Quote
R35LEE Posted February 20, 2014 Posted February 20, 2014 Always better to make an informed decision in any situation Quote
adam1942 Posted February 20, 2014 Author Posted February 20, 2014 Aye I booked her in yesterday to get a Leakdown test and pressure test done.. The guys doing it on the 3rd woohoo 1 Quote
R35LEE Posted February 20, 2014 Posted February 20, 2014 Good man, it makes more sense getting it looked at first Quote
Arran Posted February 20, 2014 Posted February 20, 2014 Bet you when he takes the plugs out. The recesses will have oil in them Quote
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