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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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Sludge in dipstick but none under cap ?Views : 1868 Replies : 22Users Viewing This Thread : |
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Mar 6th, 2015, 12:54 | #1 |
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Sludge in dipstick but none under cap ?
Hi
I have recently purchased a 98 v40 1.8 & have a few questions. Whilst checking the oil level after doing an oil &filter change a few days previous, I noticed this white creamy sludge on the dipstick although none under the oil cap. Do I need to drop the sump on this or is it something else ? The v70 I had, never had this problem and I ran her up to almost 300k miles. Secondly I have quite a lot of water in the spare wheel area, I replaced the rubber around the boot but it still appears, where is this coming from and how do I fix? Any advice or pointing me in the right direction would be very much appreciated. Thanks Damien
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1998 V40 1.8 |
Mar 6th, 2015, 14:54 | #2 |
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I would contact the seller and try and get my money back, because although the water in the wheel well might just be the rear door seal or something simple, cream on the dipstick just after an oil change is probably a head gasket failure. The fact it happened so quickly after an oil change indicates it is a serious one and that means fitting a new HG and checking to see if the main bearings or rings have already been damaged, even before looking to see if the head was overheated enough to warp it.
If you can't get your money back, then consider selling it for spares or finding a good used engine. A used engine will often cost less than a full HG job if you shop around. Does the engine have GDI or Volvo on the top cover, cos the GDI is not too popular and is probably not worth fixing if the HG has gone ??
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2003 V40 1.9TD Mods: Scratches, bent bumpers, raised REAR mats & internal mud guards. SHELL ULTRA 5/40 & LIQUI MOLY CERATEC. Everyone should DYOR (Do Your Own Research) |
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Mar 6th, 2015, 16:06 | #3 |
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It has Volvo on the plastic cover, just wandering are you sure its head gasket failure as having just driven home there is actually very little now on the dipstick ? There is no smoke from exhaust or lacking in power. Having searched through this forum I was wondering could it be a "pcv" problem as there are no oil leaks anywhere ??
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1998 V40 1.8 |
Mar 6th, 2015, 16:22 | #4 |
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I don't know if these engines are the same but my old corsa would get the white mayo sludge on the dipstick if it had sat for a while and did some short journeys with out warning up, a good run would sort it out usually.
I always thought it was some kind of condensation that usually evaporated away when the engine warmed up. Skyship your on fire today mate :-) David.
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Mar 6th, 2015, 16:49 | #5 |
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Thanks for that, it doesn't make sense to me as I checked everything before buying and all was as it should be, I had to drive about 120miles back home and there was nothing either. Checked her a few days later and the sludge(Mayo) appeared. Did an engine flush changed oil & filter which seemed to have done the trick, yet 2 days later it was back again ????
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1998 V40 1.8 |
Mar 6th, 2015, 17:22 | #6 | |
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Anti freeze causes ten times more harm in oil contamination terms than water, so it is possible if the coolant does not contain a lot of it that the water will evapourate on longer runs. A blocked CCV valve won't cause this type of issue, BUT I would take a look at the oil filler cap O ring, because that can cause moisture to enter the crank case. Has this engine got a K&N filter and is it missing the plastic engine underguards ?? In damp conditions a K&N that is mounted in a bad location can suck water or mud spray in and some of that will get into the oil. Is the coolant level changing and can you confirm that the mayo(sludge) you have seen is coffee cream coloured ?? If it's just dark brown, that might be normal sludge! If it was my car, then I would just dump the oil & filter (Just use something cheap, in case it's heading for the breakers) again and see if the mayo traces in the oil return, although it would be good to get the cooling system pressure checked (You could also try one of those test kits). A 20 liter drum of Mannol 5/40 Acea A3/B4 is real cheap on Fleabay and you might need at least half of that to get the sludge out of the engine. Dropping the sump pan does help.
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2003 V40 1.9TD Mods: Scratches, bent bumpers, raised REAR mats & internal mud guards. SHELL ULTRA 5/40 & LIQUI MOLY CERATEC. Everyone should DYOR (Do Your Own Research) Last edited by skyship007; Mar 6th, 2015 at 17:35. |
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Mar 6th, 2015, 17:31 | #7 | |
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Ages ago I had a weird case where I topped up a fully-synth sumpfull with semi-synth oil and had emulsion appear the day after, but it was gone after a week and never recurred.. I put that down to some weird chemical interplay between two different oils.
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Mar 6th, 2015, 22:17 | #8 | |
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Mar 7th, 2015, 06:57 | #9 | |
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Did an engine flush changed oil & filter which seemed to have done the trick, yet 2 days later it was back again ???? __________________ That's why I asked if the coolant level was changing, as we do get a number of HG problems reported, but I've never read a post reporting mayo as a routine matter in this forum. I know it's damp in Ireland, but not so damp it forms emulsified oil in 2 days. There are other possible causes of the mayo, like a defective thermostat combined with short tripping and badbly worn rings allowing blowby related steam into the sump, BUT they are very rare. There is one additional possiblity and that is the engine was involved in a major mayo forming incident just before it was sold (Like some clown putting water in the oil fill) and it formed a lot of mayo just above the normal sump oil level which was then washed down when the oil was changed. I've seen that happen with a Ford V8 in a van, because the screen wash and oil filler caps are right next to each other and the half cut driver was just trying to top up the washer bottle. That engine survived after 4 oil changes because the oil level was checked before the next trip.
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2003 V40 1.9TD Mods: Scratches, bent bumpers, raised REAR mats & internal mud guards. SHELL ULTRA 5/40 & LIQUI MOLY CERATEC. Everyone should DYOR (Do Your Own Research) Last edited by skyship007; Mar 7th, 2015 at 07:00. |
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Mar 6th, 2015, 20:13 | #10 | |
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Water in spare wheel well most likely coming in around rear light gaskets. |
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