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Convert Your Air Suspension To A Coil Spring Suspension. End Your Air Suspension Problems Forever...Strutmasters 2002-2009 GMC Envoy 4 Wheel Air To Coil Spring Conversion Kit is the perfect solution to your air suspension problems. Designed to be very affordable, you can convert your air suspension to use standard shocks/struts and coil springs for less than the price of replacing one air strut.
Conversion Kit Features
- Saves Money
- All New Components
- Improved Ride
- More Reliable Than Air Suspensions
- No Modifications Required To Install
- Easy To Install
- Premium Springs
Air Suspension Conversion Kit Includes
- 2 Pre-Assembled Complete Front Struts With Premium Springs, New Mounts And Hardware
- 2 Rear Springs
- All Necessary Hardware
- Detailed Instructions
This Conversion Kit Fits2002 GMC Envoy, 2003 GMC Envoy, 2004 GMC Envoy, 2005 GMC Envoy, 2006 GMC Envoy, 2007 GMC Envoy, 2008 GMC Envoy, 2009 GMC Envoy
- For Standard Wheelbase Only
The 2002-2009 GMC Envoy is built with the following suspension components:
2002-2009 GMC Envoy Air Springs (x2)- commonly referred to as air bags, a plastic and rubber bag that is fitted on top of the strut that uses pressurized air as a cushion instead of a metal coil spring to hold a vehicle off of the ground and off of its wheels. These are the number one cause of all air suspension leaks. All air springs all go bad at about the same rate. If one is leaking, the others will not be far behind. For a proper repair, all of them need to be replaced at the same time.
2002-2009 GMC Envoy Struts (x2)- a type of shock absorber; has metal tubing filled with gas-charged hydraulic fluid that is connected to the wheel of a vehicle in order to reduce the effects of vertical travel on a rough surface which controls the bounciness, and therefore comfort, of a vehicle.; the air spring assembled on top of the strut is commonly referred to as an air strut.
2002-2009 GMC Envoy Height Sensors (x2)- a linkage located near each wheel of a vehicle with any electronic suspension that, either mechanically or electronically, constantly measures the height of the vehicle, and reports this information back to the control module so that the computer can identify if changes in height need to be adjusted accordingly. The ride height sensor is a moving part, and like all moving parts, they will eventually wear out.
2002-2009 GMC Envoy Air Lines- tubes that run from a compressor (air suspension) to the air struts which carry pressurized air to the air bags components in order to adjust the height of the vehicle, respectively.
2002-2009 GMC Envoy Solenoids (x4)- usually L-shaped, these plastic components connect the electrical connection and lines of suspension components to the suspension control module on vehicles with active suspension. The solenoid regulates the air pressure for each air spring. Solenoids start to leak as they wear out causing the vehicle to sag or to lean. This will cause the ride height sensor to send a signal to activate the compressor in an attempt to inflate the air suspension and level out the vehicle. This excessive work load will eventually lead to total failure of the compressor.
2002-2009 GMC Envoy Compressor- creates/sends pressurized to active suspension components. When the air suspension starts leaking, the compressor/pump starts working harder to try to keep the system inflated. By the time air suspension leaks down completely, sitting the vehicle on its tires, the compressor will either have failed or be well on its way to full failure. Buying replacement struts and taking the time to install them only to find out the compressor still needs to be replaced can be very frustrating, time-consuming, and expensive.
2002-2009 GMC Envoy Dryer Assembly- used to keep moisture out of air lines and air springs in order to prevent freezing and internal cracking of these parts. Once air suspension starts leaking, moisture will build-up throughout the air system. Moisture damages the air suspension from the inside. The dryer will need to be replaced in order to eliminate the moisture and prevent any further damage.
2002-2009 GMC Envoy Suspension Control Module- a computer which is responsible for the operations of the air suspension system and maintaining the vehicle's correct ride height.
2002-2009 GMC Envoy O-rings- Although they are the least expensive parts of the air suspension, they are responsible for maintaining the seal where all of the air lines connect. Be sure to replace the O-rings when repairing any air suspension system.
Suspension Failure Signs
Look for these common signs of a failed or leaking air suspension system on your GMC Envoy before total failure sets in. If you notice the Envoy isn‚Äôt reaching or maintaining its appropriate ride height, you‚Äôll want the suspension fixed immediately before other components wear out. If your air compressor has stopped working, this may have already happened. The most noticeable sign is an uneven height difference between different sides of the Envoy. Typically either the front or rear end will sag while the opposite end remains inflated. There may be a shifting lean from one side to the other. Or perhaps the Envoy looks like it‚Äôs squatting too low to the ground. All of these red flags indicate failed suspension. If there is an illuminated suspension warning light on the instrument panel then it‚Äôs safe to assume the suspicion is correct. This is also the case if the air compressor is loud and noisy which means it‚Äôs running too often.
OEM Replacement Cost
+ Struts ($329/strut)
+ Gas Shocks ($159/Gas Shocks)
+ Air Spring ($279/air bag)
+ Compressor and Dryer Assembly ($220)
= TOTAL: Over $2,400 (and that doesn't even include replacing electronic components that are known to fail such as the height sensors).