1997 Air compressor

Hi, my air compressor is getting loud. Now the question is is it normal for it to run for about 6 seconds at start up or is that a sign that I have a leak some were. I was going to replace the compressor but not sure if I should be looking for a leak. The only time I hear it run is right at start up. Over night it will run for about 6 seconds in the morning, if I go to a grocery store for 30 min it will run for about 4 secs when I start it.

Normal to run on start up?

Thanks

Normal to run on start up?


Yep... 100% normal. The system does a self check at every start up, the check involves compressor, solenoids, height sensors, etc.

The extra noise MAY just be the compressor mounts are shot. You should definitely have a look at the mounts. If the compressor IS going out, loudness is the first sign, then death. Look around for "which one to buy" some cheapo ones die too soon, and some expensive ones are crap. Most of the forum guys here, and at lincolnsonline have recommendations.

Okay great thanks for the reply, I will be ordering one from American Air Suspension on Monday. Hope it not to hard to install.

Hi, My new compressor will be here on Thursday it on the ups truck as I type. Were is the compressor located and does anyone have a instructions how to replace it that I could see or download?

I think i should spay some wd40 on it to loosen it up a little.

Darryl

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Air Compressor and Drier Assembly

Removal

1. Turn air suspension service switch OFF.

2. Disconnect electrical connector located on the air compressor.

3. Disconnect two air lines from compressor air drier.

4. Remove three fasteners retaining air compressor and drier assembly to radiator support, frame rail and fender apron.

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Installation

1. Position air compressor and air drier assembly to body and install three fasteners. Tighten fasteners to 9-12 N-m (80-106 lb-in).

2. Connect two air lines into compressor drier.

3. Connect electrical connector.

4. Turn air suspension service switch ON.

Drier--Air Compressor

Removal

1. Remove air compressor drier assembly as outlined.

2. Remove compressor air drier retainer clip and screw.

3. Remove from compressor assembly.


Installation

1. Check to make sure old O-ring is not in compressor assembly.

2. Check compressor air drier end to make sure new O-ring is in proper position.

3. Insert compressor air drier into compressor assembly and install retainer clip and screw.

4. Install air compressor drier assembly as outlined.

Air Line, Nylon--Service

Note:
With the air compressor on, a soap and water solution applied to air lines will locate air leaks.

If a leak is detected in an air line, it can be serviced. First, carefully cut the line with a sharp knife to ensure a good, clean, straight cut. Then, install a service fitting. If more tube is required, it can be obtained in bulk. Refer to the Air Line Routing illustration for proper routing.

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Air Spring Connector Repair Kit

If a leak is detected in any of the quick connect fittings, it can be serviced using a service kit containing a new O-ring, collet, release ring and O-ring removal tool. The outer housing of the fitting cannot be serviced.

To remove the collet and O-ring, insert a scrap piece of air line, grasp the air line firmly (do not use pliers) and pull straight out. DO NOT use the release button. A force of 130-220 N (30-50 lbs) is required to remove the collet. After the collet is removed, use the removal tool to remove the old O-ring.

To service, first make sure the seal area is free of dirt and insert the new O-ring and seat it in the bottom of the fitting housing. Then, insert the new collet, making sure the end with four prongs is inserted. Press the collet into position with finger pressure. Install the new release button.

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Solenoid O-Ring

The areas that have O-ring seals that can be serviced are:


air compressor to drier: one O-ring.

air spring solenoid to end cap: two O-rings each air spring solenoid.

quick connect fitting: two O-rings at compressor air drier, one O-ring at each spring and junction block.


If air leaks are detected in these areas, remove components as outlined and install new O-rings.



EDIT:
Thanks for the final update, and the kind comments below Darryl :)

Thank you very much Mr. Towncar you da man.

Hi, I got my order from American Air Suspension. One Air compressor and Drier.
Total cost including Shipping tax and duty into Canada was $240.

Got great service and fast shipping from American Air Suspension.

Was a very easy job took like 1 hour to remove and install. Only problem was the #6 bolt it was a very hard to get at.

Just wanted to let everyone know it is pretty easy to replace.

Special thanks to Towncar for his help with the How to.