Simply take off everything that is on the engine above the head gasket. Take off the old head gasket, clean the block, have the heads machined and put the new head gasket back on along with everything you took off.How to change a head gasket on 1988 chevy 2500 350 engine?
drain the anti-freeze. take off the exhaust manifold, take off the valve pan gaskets and loosen the rockers, slide the rockers to 1 side and pull the push rods and take out the head bolts. if the intake bolts goes down through the heads then you have to remove the distributor and the intake.How to change a head gasket on 1988 chevy 2500 350 engine?
Go to local auto parts store and buy either a Chiltons or Haynes manual on the vehicle. It will have step by step instructions including pictures. It will be the best 25 dollar investment you could make. It will also contain other information on your truck. It is a reference guide written for the novice mechanic covering everything bumper to bumper on the vehicle.How to change a head gasket on 1988 chevy 2500 350 engine?
And after you get your manual, be sure you clean all sealing surfaces to avoid any leaks or do overs. And don't forget to mark distributor, rotor and all wires for ease of re-installation. When torquing go in steps 88 is probably 65-70 ft. pounds in the proper sequence, but be sure to buy manual. I would also buy some new head bolts, and use small amount of oil on threads, clean out all holes in question. Soak all manifold, exhaust, and intake bolts down with PB Blaster prier to removing them. You don't want to break them.