2002 Suburban Intermittent Engine Problems patched by oil changes
#1
2002 Suburban Intermittent Engine Problems patched by oil changes
I have a 2002 Suburban with 180,000 on the engine that has intermittent problems that are temporarily fixed with oil changes. Problems are:
- Lifter noise on cold start
- Oil pressure at or just below 40
- Rattling Noise in engine when oil pressure keeps dropping
- Loss of power
- On a heavy load and tow, the engine lifters begin to click loud rhythmically.
As soon as I change the oil/filter:
- Lifter noise stops
- Oil pressure at 60
- Rattling Noise stops
- Power OK
- Can tow again without lifters clicking
This occurs after only 1K - 2K miles after each oil change.
Got someone experienced who looked at the dipstick and saw fine metallic glitter in the sunlight.
What could be the problem I'm facing?
- Lifter noise on cold start
- Oil pressure at or just below 40
- Rattling Noise in engine when oil pressure keeps dropping
- Loss of power
- On a heavy load and tow, the engine lifters begin to click loud rhythmically.
As soon as I change the oil/filter:
- Lifter noise stops
- Oil pressure at 60
- Rattling Noise stops
- Power OK
- Can tow again without lifters clicking
This occurs after only 1K - 2K miles after each oil change.
Got someone experienced who looked at the dipstick and saw fine metallic glitter in the sunlight.
What could be the problem I'm facing?
#2
Kapoot engine, tolerances are way out of spec, bearings rings etc. Not a single other issue comes to mind.
The only other thing you could do to get a few more miles out of it would be using straight weight oil 40 or 50.
When she goes its gonna go with a bang.
The only other thing you could do to get a few more miles out of it would be using straight weight oil 40 or 50.
When she goes its gonna go with a bang.
#3
Administrator
What Scotiapilot said
/\ /\ /\ /\ Yep. /\ /\ /\ /\
You could crutch it along w/ a straight weight oil like a 40 or 50 and try a can of Restore. I'm a firm believer that you can't repair a mechanical problem like worn bearings chemically but I have had good luck w/ Restore on old engines. I would limit heavy tows tho.
You could crutch it along w/ a straight weight oil like a 40 or 50 and try a can of Restore. I'm a firm believer that you can't repair a mechanical problem like worn bearings chemically but I have had good luck w/ Restore on old engines. I would limit heavy tows tho.
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