the 1996 s-10 blazer 4.3 vortec has the computer in the engine compartment on the left hand side....if this is true, you cannot, I repeat, cannot adjust the timing.....the computer adjust the timing....you should be able to read it on the sticker under the hood..... ------- The timing is computer controlled - no way to adjust it, the computer does all of that for you.
1996 Chevy blazer timing chain
The 96 Chevy Blazer does not have a timing belt.
Left side
Apparently, there is none. They started using them in 1996.
1996-98 blazer/s10 4.3l vortec
you fix it
can someone tell me how to adjust timing on a geo metro 1996
Replace
You have to use a scanner.
we have just finished a 1996 Blazer with 4.3 vortec and found out that the electrodes under the cap do not match what the configuration on the top of the cap this could be your problem, has fixed ours hope this helps, the guys at Mid-East services Inc, waynesville office.
YES
Timing chain diagram or how to set it