Lift the hood, disconnect the battery, remove the spark plug cables and covers, and remove the old spark plugs. Next put in the new spark plugs, replace the cables and covers, reconnect the battery and close the hood.
Follow the plug wires from the distributor.
Unfortunately, this is not easy. You have to basically take everything off of the top of the engine, all the way down to the fuel rail, to be able to access the rear spark plugs.
There are seals under the valve cover that need replaced to repair oil on the spark plugs.
The distributor cap is located where the spark plugs cables are connected .They go from the motor to the distributor cap.
You reach over the top, or Jack the van up and reach them from underneath.
when do you change spark plugs
Check to make sure the wires are all tight and you have them in the correct firing sequence. Also make sure you put the correct plugs in.
Does it have fuel/spark/compression?
Hi You'll have to go trough a hell of an operation. To begin with: remove wiper arm and wipermotor, then loosen and rotate alternatorbracket. remove inlet manifold. do remember to have a new gasket for the manifold.
to change the plugs, remove the air filter element - lean over engine to back and unscrew plugs and replace same with new ones
Screwed in the head.
To change the spark plugs in a 1997 astro van do I have to change the spark plugs from the bottom of the engine/