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2000 Silverado Engine Ping
My 2000 4.8l engine has a slight ping at idle. Chevrolet says that they are aware of the problem and it has to do with carbon build-up on the piston ring. Has anyone else experienced this? I have put on 11000 miles and really like the truck. Not sure what to do for the future. I had planned on keeping truck for 10 years.
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(sure this isn't a diesel? --LOL)
Reduced Main Bearing Tolerances
Two-Point Coolant Vapor Vents
Revised Intake Manifold
Improved Catalytic Converters
Improved Mass Air Flow Sensor with Temperature Sensor
Extended Oil Change Interval
Sleeveless Coolant Sensor
CUSTOMER BENEFITS
MORE PRECISE BEARING FIT
Smaller tolerances in the crankshaft main bearings mean a more precise fit. The result is an increase in long-term durability and, just as importantly, a reduction in something known to engineers as "cold knock"--a slight slapping noise from the engine before it reaches full operating temperature.
For 2001, the main bearing tolerances of these engines have been tightened for quieter, cold-engine startup. Noise and vibration are also reduced by an intake manifold revision that results in better isolation of the fuel injection solenoid.
REVISED INTAKE MANIFOLD
The intake manifold has an improved purge isolator--the rubber device used to mount the solenoid that manages fuel injection-to reduce noise and vibration. The new manifold also has a new, more durable injector director plate, with two large holes rather than four smaller one to reduce potential for clogging.
Is the answer somewhere in here?????
LOL!
Bear in mind this isn't for the 4.8L
I didn't find this info for the 4.8L, so it may explain a bit, but there doesn't seem to be a solution yet.