I had an issue today and so I found where it is. It is along the engine on the passenger side just in front of the Transmission on the very bottom of the motor. FYI
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.
How do you remove the dashboard fascia on a 1999 Chevy Astro?
The Starter is accessible from beneath the vehicle
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.
on ebay search for NEW STARTER CHEVY 4.3L S10 BLAZER, C SERIES TRUCK 99 00 01 02 03 04 & ASTRO VAN this gives you an image.
Differentional L
How do you replace a starter in a 1999 suburban
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The 1999 Chevy Astro horn relay switch can be found on the back of the horn. The relay switch will be attached to the horn with two retaining screws.
Remove the positive cable from your 1999 Chevy battery. Remove the cables from the starter. Remove the starter retaining bolts. Reverse the process to install the new starter.
The PCV valve on a 1999 Astro should be located on top of the valve cover. It plugs in and can be easily replaced.
Try the installdoctor.com. Worked for me.