Vacuum Hose Routing Diagram (1986-1989 2.8L Chevrolet S10 Pickup, GMC S15 Pickup)

The vacuum hose routing diagram label is usually located in one of two spots: on the underside of the hood or on the top of the fan shroud. Here's a copy I made myself with the intention of helping the DIY community.

APPLIES TO: This tutorial applies to the following vehicles:

• 2.8L Chevrolet S10 Blazer: 1988, 1989.
• 2.8L Chevrolet S10 Pickup: 1988, 1989
• 2.8L GMC S15 Jimmy: 1986, 1987, 1988, 1989.
• 2.8L GMC S15 Pickup: 1986, 1987. 1988, 1989

The vacuum house routing diagram for the 1990-1993 2.8L "S" series vehicles can be found here:

• Vacuum Hose Routing Diagram (1990-1993 2.8L Chevrolet S10 Pickup, GMC S15 Pickup, GMC Sonoma).

More 2.8L Chevy S10 Pickup, GMC S15 Pickup, And GMC Sonoma Tutorials

You can find a complete list of tutorials for the 2.8L V6 Chevrolet S10 pickup, GMC S15 pickup, and GMC Sonoma in this index:

• GM 2.8L Index Of Articles.

Here's a sample of the articles, you'll find in the Index of Articles:

• How To Test The Fuel Pump (1988-1993 2.8L Chevrolet S10 Pickup, GMC S15 Pickup, GMC Sonoma).
• How To Test Engine Compression (1988-1993 2.8L Chevrolet S10 Pickup, GMC S15 Pickup, GMC Sonoma).
• How To Test The EGR Valve (1988-1993 2.8L Chevrolet S10 Pickup, GMC S15 Pickup, GMC Sonoma).
• How To Test The Starter Motor (1988-1993 2.8L V6 Chevrolet S10 Pickup, GMC S15 Pickup).