Oil Burn
#1
Lexus Champion
Thread Starter
Oil Burn
My dad has been having a problem with his 96 es300. When he starts it up it starts smoking and burning a lot of oil. After it runs for a min it goes away. What do you think it is?
#4
the oil sending unit may be leaking on the exaust but you would notice it when you park it after driving... it would be smoking from under the hood and leaking from the sending unit next to the oil filter... if its smoking out the exaust when started its the guides
Last edited by esucaris1; 08-18-07 at 11:01 AM.
#7
there are 3 huge oil return holes on each head if your dads oil returns were plugged yes that would contribute to a problem that already exists (guides) but it it unlikeley that they are plugged if he has changed his oil fairly regularly... the intake valves in particular will suck oil past the guides as there is a high vaccum condition at idle and decelleration... also hot oil will seep past the guides when the eng is shut down and you will get a large plume when you first start it up... the front cover is easy to remove if you feel that the returns are plugged you can see them with a flashlight...
Last edited by esucaris1; 08-20-07 at 11:07 AM.
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#8
Lexus Champion
Thread Starter
there are 3 huge oil return holes on each head if your dads oil returns were plugged yes that would contribute to a problem that already exists (guides) but it it unlikeley that they are plugged if he has changed his oil fairly regularly... the intake valves in particular will suck oil past the guides as there is a high vaccum condition at idle and decelleration... also hot oil will seep past the guides when the eng is shut down and you will get a large plume when you first start it up... the front cover is easy to remove if you feel that the returns are plugged you can see them with a flashlight...
#9
Lexus Test Driver
iTrader: (4)
If its smoking in the engine compartment and you just had a service for the engine then go back to the person and tell them they screwed up. Lexus did that to me...they reported "no problems" but it was gone the time I got the car back. They apparently forgot to put a screw in tight enough or a hose and it came loose and leaked oil on the engine -.-"
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