New from Norway - question about auto-leveling suspension (Option G67)
#1
Hello everybody!
I have a 95 Blazer LS with rear auto-leveling suspension.( G67 option.)
My compressor has gone bad, so I'm looking for a new one.
Does anyone have any advice on how to get hold on one of these?
The Chevrolet dealer in my hometown doesn't even know what I'm talking about.
Hope to get some feedback!

Greetings from The North Pole,
Erik.
I have a 95 Blazer LS with rear auto-leveling suspension.( G67 option.)
My compressor has gone bad, so I'm looking for a new one.
Does anyone have any advice on how to get hold on one of these?
The Chevrolet dealer in my hometown doesn't even know what I'm talking about.
Hope to get some feedback!

Greetings from The North Pole,
Erik.
#2
Banned
Join Date: Aug 2009
Posts: 1,162

post some pics of it. i've actually never seen one
im guessing its just a factory air ride suspension. the concept is simple in its self
can you control it from the driver seat with switches? if so any compressor that can be mounted would work that is 12v
im guessing its just a factory air ride suspension. the concept is simple in its self
can you control it from the driver seat with switches? if so any compressor that can be mounted would work that is 12v
#4
first of all Spectre, he said it's the "Auto leveling suspension" & even gave the option code. so that would kinda make it an automatic system-and factory equipment-so that makes your comment "its just a factory air ride suspension." kinda, i don't know...............odd?
also, it doesn't matter if it's a manual or computerized system (Matt), any 12V compressor would do the job-unless the controls are built into the actuall pump itself.
but like Spectre said, post some pic's up of the set-up, it'd be interesting to see how it compares to the system i'm looking @.
oh yeah, welcome to the show brother.
#5
*Moved to 2nd Gen Tech* - Please create a new thread in the New Member Area for your introduction if you so choose.
No switches other than perhaps in the rear for an auxiliary air outlet. My Bonneville had the auto ride height control as does my Rainier. My Rainier has airbags in the back.
I wouldn't call it computerized either. There is a high/lo limit switch that is attached to the lower portion of the suspension. The switch turns on the pump when it senses that the truck is too low and opens up the vent valve when it senses that it is too high. This option put air shocks in the rear to control ride height for light to moderate loads.
As far as finding a replacement pump goes, good luck. Even in the states, these pumps are fetching a hefty price.
IMO, install a tire valve type fitting in the back bumper and route the two lines from the shocks to it. Buy a 12V air pump for filling your tires, etc and use that to pump up the rear suspension when you load it up.
You may be able to reverse engineer the pump/valve setup with a 12v solenoid valve and a generic 12v pump, but packaging may be an issue as well as robustness.
Oh yeah, Captain OBVIOUS to the rescue! Or is that oblivious?
No switches other than perhaps in the rear for an auxiliary air outlet. My Bonneville had the auto ride height control as does my Rainier. My Rainier has airbags in the back.
I wouldn't call it computerized either. There is a high/lo limit switch that is attached to the lower portion of the suspension. The switch turns on the pump when it senses that the truck is too low and opens up the vent valve when it senses that it is too high. This option put air shocks in the rear to control ride height for light to moderate loads.
As far as finding a replacement pump goes, good luck. Even in the states, these pumps are fetching a hefty price.
IMO, install a tire valve type fitting in the back bumper and route the two lines from the shocks to it. Buy a 12V air pump for filling your tires, etc and use that to pump up the rear suspension when you load it up.
You may be able to reverse engineer the pump/valve setup with a 12v solenoid valve and a generic 12v pump, but packaging may be an issue as well as robustness.
Oh yeah, Captain OBVIOUS to the rescue! Or is that oblivious?
#6
My Escalade has this. If it works the same way, there are small linkages attached to the frame & suspension that determine when to turn the pump on, and when to exhaust the air out. I would assume the pump would be a dealer item only. I never knew it was offered on any S-series trucks. I also can't find any info on it. Maybe it was added after market? If you cannot find the item, maybe another GM self leveling pump will work.
Last edited by LuvMyTJ; 03-16-2010 at 06:51 PM.
#8
Hello from Hamar, Norway!
I also have a 1995 blazer S10 with the G67 option. I have been looking in to this for some time, since my system ain't working either!
In my case the compressor works fine, but the control system won't switch it on. I have found only one relay for this system and that is in the rear, next to the right tire. I have some wiring diagrams from other cars with the same system, but it have not helped me.
I will get back to you if I find something on this that is helpful
I also have a 1995 blazer S10 with the G67 option. I have been looking in to this for some time, since my system ain't working either!
In my case the compressor works fine, but the control system won't switch it on. I have found only one relay for this system and that is in the rear, next to the right tire. I have some wiring diagrams from other cars with the same system, but it have not helped me.
I will get back to you if I find something on this that is helpful

#9
I did find this service bulletin, maybe it will point you in a direction that will help. It does not mention your year, but it may be a similar part number. Must be very rare option, or not an option state side.
02-03-99-001; Rear of Vehicle Sits Low,
Electronic Controlled Air Suspension (ECAS)
Compressor Runs – Will Not Lift Rear to
Operating Height (Repair ECAS Compressor
with Check Valve Service Kit); 2002 GMC
Envoy and Oldsmobile Bravada with ECAS
(RPO G67)
Electronic Controlled Air Suspension (ECAS)
Compressor Runs – Will Not Lift Rear to
Operating Height (Repair ECAS Compressor
with Check Valve Service Kit); 2002 GMC
Envoy and Oldsmobile Bravada with ECAS
(RPO G67)
#10
Banned
Join Date: Aug 2009
Posts: 1,162

*Moved to 2nd Gen Tech* - Please create a new thread in the New Member Area for your introduction if you so choose.
No switches other than perhaps in the rear for an auxiliary air outlet. My Bonneville had the auto ride height control as does my Rainier. My Rainier has airbags in the back.
I wouldn't call it computerized either. There is a high/lo limit switch that is attached to the lower portion of the suspension. The switch turns on the pump when it senses that the truck is too low and opens up the vent valve when it senses that it is too high. This option put air shocks in the rear to control ride height for light to moderate loads.
As far as finding a replacement pump goes, good luck. Even in the states, these pumps are fetching a hefty price.
IMO, install a tire valve type fitting in the back bumper and route the two lines from the shocks to it. Buy a 12V air pump for filling your tires, etc and use that to pump up the rear suspension when you load it up.
You may be able to reverse engineer the pump/valve setup with a 12v solenoid valve and a generic 12v pump, but packaging may be an issue as well as robustness.
Oh yeah, Captain OBVIOUS to the rescue! Or is that oblivious?
No switches other than perhaps in the rear for an auxiliary air outlet. My Bonneville had the auto ride height control as does my Rainier. My Rainier has airbags in the back.
I wouldn't call it computerized either. There is a high/lo limit switch that is attached to the lower portion of the suspension. The switch turns on the pump when it senses that the truck is too low and opens up the vent valve when it senses that it is too high. This option put air shocks in the rear to control ride height for light to moderate loads.
As far as finding a replacement pump goes, good luck. Even in the states, these pumps are fetching a hefty price.
IMO, install a tire valve type fitting in the back bumper and route the two lines from the shocks to it. Buy a 12V air pump for filling your tires, etc and use that to pump up the rear suspension when you load it up.
You may be able to reverse engineer the pump/valve setup with a 12v solenoid valve and a generic 12v pump, but packaging may be an issue as well as robustness.
Oh yeah, Captain OBVIOUS to the rescue! Or is that oblivious?






