You would remove 4 bolts from the companion flange (typical) and use a small prybar to break it loose.
In your case, and due to technical specs you are going to have to deal with:
You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00
Changing a seal on the pinion sounds a lot easier than it really is. There are critical torque, and clearance, and preload specs that you will have to follow, or the end result would be failure.
the 1998 Chevrolet Astro Minivan is the van that uses gasoline.
The voltage regulator is built into the alternator.
Here it is.
what weight of oil do i use in my 1994 Chevy astro all wheel drive differential and transfer case
Remove the positive cable from your 1988 Chevy Astro battery. Remove the cables from the front of your starter. Remove the starter retaining bolts. Reverse the process to install the new starter.
Remove the center console/cupholder. Remove the interior doghouse. Remove distributor cap.
remove the inner pannel. That will put you at the assembly. with windo up, remove assemblt. then replace
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 do you remove the oil pan how many bolts does it have
Before anything you have to remove negative battery cable to avoid to get a shok from that. You will have to release the bolts to replace the starter.
Unbolt/remove driveshaft. Use U-joint press to remove old U-joint, install new and replace driveshaft.
Remove the positive battery cable from your 1999 Chevy Astro battery. Disconnect the cables from the front of the starter. Remove the starter retaining bolts. Reverse the process to install the new starter.