MK5 Golf GTI
All Things Mk5 => Modifications & Technical Area => Technical Workshop => Topic started by: GTI_UK on June 06, 2012, 01:30:53 pm
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The oil level had noticeably dropped in the 3 weeks (odd) of ownership. Having done a search, it seems GTi’s are known for consuming oil but also read a few comments about cars which haven’t been driven hard when run in using more oil?
Is there any truth to this?
I don’t believe the one I have has been driven particularly hard (still on the original discs and pads at 80k miles) so should I expect to top up more often? What is the norm for topping up?
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Even in user manual says 1 litre of oil per 1000 km is normal. Having said that my only requires top up after hard driving - rolling road or track. On normal day to day driving I top up maybe one litre every 10000km
Paul
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Sound normal, i work on a load of these engines and they do use a little.
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I've never had to top mine up inbetween services (every 10k on time and distance) and that's with various driving and rolling roads
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Ever checked it lol? Kidding.. Weird, it's no bad thing. They could use excessive amounts if they've been serviced with incorrect oil too.
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With all the threads about high oil use I do check it, not every week but always before long journeys, rollin roads etc. worst case i check it once a month
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My question was more specifically around whether cars which haven’t been driven hard initially use more oil – just seemed odd.
I now check the oil weekly (or when I remember in between).
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Not sure whether mine was run in properly or not (bought car with 35k miles on it) but mine uses about a litre every 2000 miles regardless of how it's driven. it's my understanding that most VW engines use a bit of oil so it's not a problem. I'd rather mine getting a litre of fresh oil in every couple of thousand than not tbh as oil quality in the sump will be higher than if it didn't use any. Only costs be about £35 a year in oil if I buy Castrol from Asda :happy2:
Hope that helps
Graeme
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Hi
I know that AXX motors dont consume as much as our motor codes do...........
RSM :driver:
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My axx engine does not use any oil even after being thrashed for hours on end. :driver: only time oil gets topped is when it's in for yearly service. :wink:
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My gti used about 1litre in 20k miles so I wouldn't say high use my r32 never needs topped up but that's a different engine
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Yup, there is a danger if an engine isn't worked sufficiently hard at run-in the bores can glaze and the rings then will find it difficult to seal properly.
Independent of the ring/cyl wall surface finish, there will be a certain amount of out of round and less than perfect conformity. This will produce blow-by which in turn will cause varnish and other glazing products to be formed on the cylinder wall/piston skirt. The rings need to wear to suit their bore.
Optimum results occur when the engine is worked sufficiently hard to minimise this effect.
A pattern of varied engine speed/load seem to work best, while avoiding extremes.
Most factory fill oil is formulated to speed bedding/settling/running in. If this is changed too soon then the synthetic/semi synthetic refill may prevent it happening at all.
I have seen engines where it was necessary to strip, de-glaze the bores and rebuild.
If you suspect bore glazing to be a problem on your vehicle, then a fill of running-in oil may be helpful.
Of course, there may be other reasons an engine may be using oil.