Imprezza Burning Oil
02 March 2004, 03:39 PM
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Imprezza Burning Oil
Have a very unhappy Imprezza !! Jap '99 WRX RA version 5.
Started burning a lot of oil suddenly, still had some boost and appeared to run ok, just a lot of smoke out the exhaust.
Had the turbo rebuilt -
Flushed the intercooler as best a possible refilled oil (only mobil 1). Ran the engine lot of smoke (assumed burn off in the exhaust and residual in the intercooler) Engine smooth on start up ! Took for a drive about 35 miles - checked oil level again off the bottom of the stick ! still lots of smoke !!
Any clues or ideas where to go next please !!
Started burning a lot of oil suddenly, still had some boost and appeared to run ok, just a lot of smoke out the exhaust.
Had the turbo rebuilt -
Flushed the intercooler as best a possible refilled oil (only mobil 1). Ran the engine lot of smoke (assumed burn off in the exhaust and residual in the intercooler) Engine smooth on start up ! Took for a drive about 35 miles - checked oil level again off the bottom of the stick ! still lots of smoke !!
Any clues or ideas where to go next please !!
02 March 2004, 06:37 PM
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Sounds to me like the turbos gone. I'm not an expert but in the past I was an HGV fitter, when ever we fitted a new turbo we always charged the turbo oil feeds with fresh oil to give it a chance on start up. Also if your getting oil in the intercooler this points to the same thing. Did you fit the turbo yourself? or if not did the person who fitted it carry out this procedure? I don't know how relevent this is to car turbos but if I was fitting one I would carry out the same thing if possible. BTW I fix jet engines now so I have a basic grounding for how turbos work.
Jamie.
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02 March 2004, 08:49 PM
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PSlater, Seems that you might have lost the turbo, however, what oil did you use? grade I mean?? It's dangerous to use anything less than 10W/40 or 50 in a Subaru.
It might be worthwhile changing oil and filter to a higher grade if you've mistakenly fitted 0W or 5W to see what happens, maybe the thicker oil will sort it out - straws and clutching come to mind, but strange things do happen. A large residue of oil in the exhaust will take weeks to burn off and in some cases when the cat gets flooded it never burns off, just solidifies and then a new cat is required too.
BUT, if you're using as much oil as you think, you won't be able to see out of the back window for smoke. If you can see out then you need to look elsewhere for the problem. Leaks?? Any noises from the engine??
Worst case you've melted a piston and you need to talk to me to see what we can do for you.
David API Engines
It might be worthwhile changing oil and filter to a higher grade if you've mistakenly fitted 0W or 5W to see what happens, maybe the thicker oil will sort it out - straws and clutching come to mind, but strange things do happen. A large residue of oil in the exhaust will take weeks to burn off and in some cases when the cat gets flooded it never burns off, just solidifies and then a new cat is required too.
BUT, if you're using as much oil as you think, you won't be able to see out of the back window for smoke. If you can see out then you need to look elsewhere for the problem. Leaks?? Any noises from the engine??
Worst case you've melted a piston and you need to talk to me to see what we can do for you.
David API Engines
02 March 2004, 10:31 PM
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Oil - Mobil 1 15/50 did the turbo change ourselves and yes we did prime the system before starting.
Using about a litre of oil for 20 miles and it is starting to seem like it has a slight misfire.
There's no cat !
Doesn't appear to be any leaks.
The car is regularly serviced by Power Engineering in Uxbridge they reported a small amount of piston slap at the last service about 2000 miles ago.
Using about a litre of oil for 20 miles and it is starting to seem like it has a slight misfire.
There's no cat !
Doesn't appear to be any leaks.
The car is regularly serviced by Power Engineering in Uxbridge they reported a small amount of piston slap at the last service about 2000 miles ago.
Originally Posted by APIDavid
PSlater, Seems that you might have lost the turbo, however, what oil did you use? grade I mean?? It's dangerous to use anything less than 10W/40 or 50 in a Subaru.
It might be worthwhile changing oil and filter to a higher grade if you've mistakenly fitted 0W or 5W to see what happens, maybe the thicker oil will sort it out - straws and clutching come to mind, but strange things do happen. A large residue of oil in the exhaust will take weeks to burn off and in some cases when the cat gets flooded it never burns off, just solidifies and then a new cat is required too.
BUT, if you're using as much oil as you think, you won't be able to see out of the back window for smoke. If you can see out then you need to look elsewhere for the problem. Leaks?? Any noises from the engine??
Worst case you've melted a piston and you need to talk to me to see what we can do for you.
David API Engines
It might be worthwhile changing oil and filter to a higher grade if you've mistakenly fitted 0W or 5W to see what happens, maybe the thicker oil will sort it out - straws and clutching come to mind, but strange things do happen. A large residue of oil in the exhaust will take weeks to burn off and in some cases when the cat gets flooded it never burns off, just solidifies and then a new cat is required too.
BUT, if you're using as much oil as you think, you won't be able to see out of the back window for smoke. If you can see out then you need to look elsewhere for the problem. Leaks?? Any noises from the engine??
Worst case you've melted a piston and you need to talk to me to see what we can do for you.
David API Engines
)
03 March 2004, 08:22 PM
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Chuffing out !!
Yep it's chuffing out ... what now !!
Originally Posted by scoobyboy
with it running undo the oil filler cap there should be a slight vacuum if it's chuffing out of there then you got a problem
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04 March 2004, 07:36 PM
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Originally Posted by scoobyboy
with it running undo the oil filler cap there should be a slight vacuum if it's chuffing out of there then you got a problem
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