normal oil usage?

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daveb1016

daveb1016

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Location
Eastern Ontario, Canada
A friend has a 96 LC that I sold him, has 110k miles, in great shape.....He thinks that he is using a half litre (or half quart of oil) after a 1500 mile trip...

There is no leaks, the coolant is clean and not being consumed, and the engine is not burning oil.....

Any suggestions.?

Dave
 
That useage falls into what Mr. T considers normal.

If concerned, your friend may wish to switch weights of oil or types. My 1994 doesn't like the lighter Mobil 1 oils, does well on heavier ones and on the Rotella synthetic.

As suggested, it is always a good idea to double checks for leaks.
 
What does this mean.....? Does this mean a rebuild is in order or it there major problems with the engine....?

appreciate all the responses....
 
It's probably normal. Have him change the oil to Rotella Syn 5w-40 and keep careful track of the oil usage. I'll bet it isn't much. Normally, these engines do not seem to use much oil-mine is right around 1/2 quart in 5000 miles (at 103k).

I wouldn't make any assumptions based on one trip. Who knows what oil is in it now. If it's 5w-30 conventional oil as spec'ed, it might use a bit more. Have him run a 5000 mile change interval and check the oil every two weeks. That will give him a real idea of the usage.
 
IIRC Toyota considers the useage of one litre/thousand miles to be acceptable.

Many vehicles use much less--your friend is at 1 litre/3,000 miles at the present rate.
 
1 quart every 3000 miles isn't out of the ordinary base on previous conversations here. Might install a catch can and see how much you catch coming through the PVC.

:beer:
Rookie2
 
My truck (93, 148K miles) will go though about a quart in 3000 to 4000 miles, the lighter Mobil 1 oils go through faster. I do have a small leak back at the rear main as well.
 
Seams just about every 1FZ over 100K has a minor leak at the back of the motor, either rear main or pan arch, some will also have leaks at the front either crank or oil pump housing, some is also lost through the PCV,

I would certainly not consider a rebuild on a 110K 1FZ over a quart every 3k, check the oil at every fill up top off as necessary and wait another 200K then rebuild it
 
With 125K on the clock, I go oil change to oil change with no measurable drop in oil level. I've been using dino, and have replaced every 3K since the day it was new. I recently switched to 5K oil change intervals, and I still see zero change in the dipstick level.
 
daveb1016 said:
A friend has a 96 LC that I sold him, has 110k miles, in great shape.....He thinks that he is using a half litre (or half quart of oil) after a 1500 mile trip...

There is no leaks, the coolant is clean and not being consumed, and the engine is not burning oil.....

Any suggestions.?

Dave
Click to expand...

110k should be just past break in period for this rig. Mine showed absolutely NO signs of wear upon tearing down the engine at 225k. The EGR design will make the engine burn a tad bit of oil. As previous posts suggest, this should be considered normal usage.

I suggest keeping a close watch on running temp, and coolant levels, in addition to oil. Hg problems begin from 100k to 200k in most rigs.

DTaylor
 
tech_dog said:
With 125K on the clock, I go oil change to oil change with no measurable drop in oil level. I've been using dino, and have replaced every 3K since the day it was new. I recently switched to 5K oil change intervals, and I still see zero change in the dipstick level.
Click to expand...

Sounds abnormal :flipoff2:. Seriously, when's the last time you checked/replaced your PCV? True..., you will typically see much less usage with a heavy dino like chevron delo 15W-40, but zero consumption over 5000 miles, I would say is definitely in the minority.

:Beer:
Rookie2
 
Rookie2 said:
Sounds abnormal :flipoff2:. Seriously, when's the last time you checked/replaced your PCV? True..., you will typically see much less usage with a heavy dino like chevron delo 15W-40, but zero consumption over 5000 miles, I would say is definitely in the minority.

:Beer:
Rookie2
Click to expand...

Current PCV is about a year old. I'm going to be doing a blackstone on my next oil change, and am looking forward to it.

Sometimes it's nice to be in the minority.
 
rgsiii said:
IIRC Toyota considers the useage of one litre/thousand miles to be acceptable.
Click to expand...

Correct, one quart or less per 1,000 miles is considered "normal" by Toyota.
 
rgsiii said:
That useage falls into what Mr. T considers normal.

If concerned, your friend may wish to switch weights of oil or types. My 1994 doesn't like the lighter Mobil 1 oils, does well on heavier ones and on the Rotella synthetic.

As suggested, it is always a good idea to double checks for leaks.
Click to expand...

I believe this is a spot-on response. I believe i remember dan stating that Toyota considers one quart per 1000 miles normal (burn that is, not leak).


Edit: Cdan beat me to it.
 
I was using 1qt/thousand miles running 5-30 Mobil 1. I switched to Rotella synthetic 5-40 and I haven't dropped off the full mark yet 1500 miles into it.


Dave
 
I have 107k on mine. Burns 0 oil! And I use the long filter, and regular 10/30 oil ...
 
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