Check your local library for a professional shop manual... ..or invest in one so you can be sure your not wasting your time d
Remove the cylinder heads from your Chevy engine. Remove the head gasket and clean the head gasket surface. Put the new head gasket on and reverse the process.
You don't clean them - you replace them.
Remove the cylinder had from your 1997 Chevy Astro engine. Remove the head gasket and clean the surface. Put the new head gasket on and reverse the process.
how to clean evaporator on 1997 chevy 1500
clean, replace e.g.r. valve, tune up or replace catalytic convertor.
Drain the engine oil. Using a jack for support, unbolt the engine from the motor mounts. Raise the engine just enough, then unbolt the pan and pull it out. Clean the engine block surface, then install the new pan and gasket.
abs sensors are at the axle hub
Its possible to clean but much easier to just replace. takes an hour to clean, 10 minutes and 6.50 dollars to replace. better for engine too.
That is a very common problem with the Vortec engines. You must REPLACE the Intake gasket and then change the oil and filter a few times in a roll after letting the engine run a few minutes each time until you get the engine oil to clean up.
check your owner's manual Check for vacuum leaks (replace all vacuum hoses anyway, they are cheap) but also remove and clean the EGR valve.
Change the fluids and filters. Inspect the spark plugs and wires. Clean the carburetor.
Check the spark plug for that cyclinder. Clean and regap it, or simply replace it.