Timing belt?? Replace.
#1
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Timing belt?? Replace.
My truck is a GMC 2003 Sierra 1500 4.8L. it has 115k on it I replaced the water pump, thermostat, clutch fan, rack and pinion, and did a coolent flush. As well as oil, filter. Looking at having transmission fluid and rear def(?) Changed soon.
Question is when should I worry about the timing chain? And are there any other things I need to look into.
she has been a great truck so far.
Thanks
Question is when should I worry about the timing chain? And are there any other things I need to look into.
she has been a great truck so far.
Thanks
#4
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How much shipped for the 115k mile water pump? Please tell me you didnt throw that low mileage oem jewel away lol.
I would leave the trans fluid alone IMO. At 15 years old, im still using the original coolant too. Just changed rear diff fluid at 200k
I would leave the trans fluid alone IMO. At 15 years old, im still using the original coolant too. Just changed rear diff fluid at 200k
Last edited by TXsilverado; 12-26-2016 at 12:20 AM.
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#8
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I don’t know exactly what year GM started validating the timing chains for 200,000 miles, as they have since the introduction of the LS2 style timing chains & tensioners, but never-the-less, the days of stretch prone link-belt chains and disintegrating nylon teeth falling off the timing gears are a thing of the past and for normal daily use, would be one of my least concerns.