You can't it is controled by the PCM. ( Power train control module ) There are no adjustments.
It does not have one. The timing is controlled by the computer. You must have a OBDII engine scanner to adjust the timing. If you did not have the distributor out are move it then there is no reason to adjust the timing. It is done automatically by the computer.
It has a timing chain.
The engine in that vehicle doesn't have a timing belt.
It has timing chain and gears. NO belt.
That year and engine size does not have a timing belt. It has a chain and gears
There is no adjustment- the engine has hydraulic valve lifters.
Not sure which engine you have but I don't think the 02 Tahoe uses timing belts. I believe they use a timing chain instead and that should last the life time of the engine.
You can not set the timing with a timing light on that year engine. The timing is controlled by the PCM./ Power train control module. You must have an oBD2 engine scanner to set the timing. If the timing is off then the check engine light will be on.If you have not removed the distributor are moved it around for any reason then the engine timing is correct already. No need to adjust it. Computer does it.
That engine has a timing chain and gears and will probley out last the engine. NO need to replace it.
at what mileage do you change a 99 Chevy Tahoe timing chain.
Buy a programmer
The 2003 Chevy Tahoe (both the 4.8 and 5.3L engines) have a timing chain, not a belt.