it takes a spanner wrench. i borrowed one from autozone when i replaced the water pump on mine.
Remove fuel tank
check the fan switch.
check your odometer
how u change spark plugs on 1998 gmc safari van
I am the owner of a 1998 gmc safari awd van and i am 100% sure that the computer on mine is under drivers seat. Yes under drivers seat mounted to the floor.
right behind the fan
I have a 1998 gmc safari awd van & my pcm is located under drivers seat bolted to the floor.
remove panel on passenger side below dash
remove the transmission pan
Remove upper radiator support remove bolts that retain the A/C condenser remove hoses and transmission cooler lines remove retaining bolts then remove fan module and lift out radiator
die
I have a 1998 gmc safari van and my fuel filter is located on the inside of drivers side of frame rail about half way back of frame.