Where are the vacuum lines on a GM Truck?

Here are two that I was able to find regarding the vacuum lines. Both are for the 4.3L V6. The 3rd one is for the HVAC system. NOTE: These are general diagrams from GM. If you have a different routing diagram under the hood, follow it, but I will assume you don’t have that.

Why is my vacuum line leaking on my Chevy S10?

The engine in a Chevy S10 pickup truck relies on vacuum for various systems. If a vacuum line or tee should crack or become damaged to the point of leaking, the S10 may run poorly, or not at all. Diagnosing and repairing leaks in the vacuum line system can seem difficult at first glance,…

What kind of vacuum does a Chevy S10 use?

The engine in a Chevy S10 pickup truck relies on vacuum for various systems. If a vacuum line or tee should crack or become damaged to the point of leaking, the S10 may run poorly, or not at all.

Are there vacuum lines for a 4.3L V6?

Here are two that I was able to find regarding the vacuum lines. Both are for the 4.3L V6. The 3rd one is for the HVAC system. NOTE: These are general diagrams from GM.

How to repair a 1988 GM vacuum truck?

Access our GM Full-Size Trucks 1988-1998 Vacuum Diagrams Repair Guide by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides. Add your vehicle in Manage My Vehicles. Enter your vehicle details. Click the “View More” button, and then click “Vehicle Repair Guides.”

Where can I get a vacuum line for my car?

Select your preferred location and we’ll note which parts are ready to be picked up TODAY. Sold as a kit. (7) Find top-brand, direct-fit vacuum lines to connect your intake manifold vacuum port with your brakes, distributor, and other vacuum-assisted components.

What kind of HVAC does a Chevy Silverado have?

Access our free HVAC Systems Repair Guide for Avalanche, Sierra, Silverado, C&K Series, 1999-2005 through AutoZone Rewards. These diagrams include: Fig. A/C Compressor Controls (c) (2005) Fig. Air Temperature Actuators Left and Right (c) (2005) Fig. Power, Ground, Serial Data and Blower Motor Control (c) (2005) Fig.

Where does the voltage go in an AC compressor?

When the relay is energized, that line with the arrowhead, moves to terminal 87, that circuit carries voltage to ac compressor. At the ac compressor, dark green wire is voltage, black is ground.

Do you need a technical diagram for an AC unit?

Our technical resource library is loaded with detailed diagrams to assist you in repairing, replacing, or ordering a new part to keep your AC and heating system operating effectively and efficiently. Use these diagrams with caution and at your own risk as we are not responsible for negligence as a result of use.

Which is the best a / c hose assembly for a Silverado?

Front A/C – electronic controls (C67). Except rear auxiliary A/C (C69) 4.5 out of 5 stars. Read reviews for ACDelco A/C Hose Assembly 15-33436 Notes: A/C refrigerant liquid hose. A/C front auto/auxiliary control, A/C front manual/auxiliary control. Except rear auxiliary A/C. Notes: A/C refrigerant liquid hose.

Where does the a / c hose assembly take place?

Flint, mi plant code (CMD), fort Wayne, in plant (FWI), Pontiac, mi GM T&B assembly plant (GMC), Oshawa, Ontario truck plant (OSG). For 2 port tube use 15785056. Use together with 15-33289 service valve fitting cap Notes: A/C manifold hose assembly. A/C manual control. A/C auto electronic control.

What makes the under hood lines and hoses mess up?

The heat from the engine is what messes up the under hood lines and hoses. Have you checked the reservoir and check valve? That line inside should be pretty good yet. The heat from the engine is what messes up the under hood lines and hoses. Have you checked the reservoir and check valve? Click to expand…

Why are my vacuum lines not sticking through my firewall?

I have a 2003 expedition that I had recently done some work under the hood…including replacing a warped intake, valve cover gaskets, and ac expansion valve. During this work being done, I noticed that where the 2 vacuum lines go thru the grommet in the firewall behind the ecm…1 of the vacuum lines was no longer sticking thru.

How big are laminated HVAC service call stickers?

Laminated sticker #1 is weatherproof, 4.25″ x 2.75″, printed in full color and can hold up to any weather outdoors. All edits are free. Laminated economy sticker #1 is weatherproof, 2.5″ x 2.5″, printed in full color and can hold up to any weather outdoors.

Is there a routing diagram for the HVAC system?

The 3rd one is for the HVAC system. NOTE: These are general diagrams from GM. If you have a different routing diagram under the hood, follow it, but I will assume you don’t have that. If there is something specific or a specific area that you need, let me know.

Where does the vacum to selector switch go?

Have no vacum to selector switch for air conditiong control. Need routing of vacum lines and where located. helpful? The hose you are looking for is black with a gray stripe. There should only be one and it will connect to the front of dash (firewall) there may be a block there with a hose that goes inside to the heater.