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.
To remove the AC evaporator core from a 1998 GMC Safari van, first, disconnect the battery and discharge the AC system. Next, remove the dashboard and the HVAC housing by unscrewing the necessary bolts and disconnecting any electrical connectors and ducts. Once the housing is accessible, unbolt the evaporator core from the housing, then carefully pull it out. Reinstall the new core by reversing the steps, ensuring all connections are secure and leak-free.
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
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.