My 1999 3.5 Blister, now with 196000km, has always used oil since I got it seven years ago at 87000km.
I learnt to live with it, but on a recent Mozambique trip it was especially bad, using six litres over 7300km!
It does not leak and it does not smoke, my mechanic having tested it again for these symptoms. Compression is perfect.
Any input will be most welcome, or is opening the engine the only means to a solution?
Regards,
Kevin
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Try Caltex delo 400 - Mitsu engines love it!
That is 1L / 1216 km.Kevin wrote:.... using six litres over 7300km!
Although I agree that it is to high, most manufacturers regard anything less than 1L/1000km as 'normal'.
I would use very good oil, to start off with. Marius' suggestion of changing to Caltex Delo400 might just do the trick.
If not, I would suspect the valve stem seals. The 6g7* engines are known to have valve stem seal problems.
Fortunately it is an easy fix.
Gerhard Fourie
If you want to shoot somebody, make sure you aim at his head, not your own foot.
Me
If you want to shoot somebody, make sure you aim at his head, not your own foot.
Me
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check for valve stem seals
find a long hill and coast in gear down the hill. Just before you reach the bottom give full throttle. If a puff of smoke comes and shortly after clears it's valve stem seals.
The other check is for blowby (worn rings) - let the car idle and disconnect the breather hose from the tappet cover (it's a pipe that goes from the tappet cover to the intake pipe) and feel for excessive pressure. You should be able to easily block the vent pipe for a few seconds - if lots of pressure builds within 2 seconds you have worn rings (crude testing method but even better would be to compare with another engine)
find a long hill and coast in gear down the hill. Just before you reach the bottom give full throttle. If a puff of smoke comes and shortly after clears it's valve stem seals.
The other check is for blowby (worn rings) - let the car idle and disconnect the breather hose from the tappet cover (it's a pipe that goes from the tappet cover to the intake pipe) and feel for excessive pressure. You should be able to easily block the vent pipe for a few seconds - if lots of pressure builds within 2 seconds you have worn rings (crude testing method but even better would be to compare with another engine)
Kevin,
May I suggest you do a proper engine flush. Freek from Mitspro said sometimes the rings gets stuck and oil passes through. Not noticeable when you drive but in cosumption.
They are busy doing my engine now and must say the sleeves looked like it came out of the factory yesterday but had oil consumption as well . I had the heads redone with them as well.
A very good friend of mine suggested draining the oil- fill with diesel- start and let idle for about 10 minutes - drain diesel - refil with diesel and let idle again for 5 minutes.
Drai diesel and leave overnight for excess diesel to run off - fill with good quality oil and whola problem solved.
Must say never tried it maybe some gurus here can expand more on this technique.
May I suggest you do a proper engine flush. Freek from Mitspro said sometimes the rings gets stuck and oil passes through. Not noticeable when you drive but in cosumption.
They are busy doing my engine now and must say the sleeves looked like it came out of the factory yesterday but had oil consumption as well . I had the heads redone with them as well.
A very good friend of mine suggested draining the oil- fill with diesel- start and let idle for about 10 minutes - drain diesel - refil with diesel and let idle again for 5 minutes.
Drai diesel and leave overnight for excess diesel to run off - fill with good quality oil and whola problem solved.
Must say never tried it maybe some gurus here can expand more on this technique.
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I wouldn't do the diesel flush - maybe in the old days with high sulphur diesel.
Too many are complaining about the lack of lubricity for diesel pumps in the new low sulphur diesel. Last thing you want is a low lubricity fluid in your engine.
Besides the fact that the diesel might push past the (possibly worn) rings and then you get a runaway engine as the engine starts howling and runnning on the sump diesel. A very expensive risk to take IMHO. Even though his engine is petrol there is still a risk.
Don't do it!
Use delo 400 and shorten the change interval to 5000km for the next 5 changes (remember to change the filter as well) and the good oil will clean out the crud.
See my Di-D running on delo 400
Too many are complaining about the lack of lubricity for diesel pumps in the new low sulphur diesel. Last thing you want is a low lubricity fluid in your engine.
Besides the fact that the diesel might push past the (possibly worn) rings and then you get a runaway engine as the engine starts howling and runnning on the sump diesel. A very expensive risk to take IMHO. Even though his engine is petrol there is still a risk.
Don't do it!
Use delo 400 and shorten the change interval to 5000km for the next 5 changes (remember to change the filter as well) and the good oil will clean out the crud.
See my Di-D running on delo 400