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#3891866 - 03/01/18 09:31 AM Cleveland - Check Air Suspension
JoeSapien Offline
n00b

Registered: 02/28/18
Posts: 28
Loc: Solon, OH
2009 Mercury Grand Marquis with 40k miles

Check Air Suspension warning light came on. I also noticed that the sound that I heard when I started the car (probably air compressor?) has stopped.

The rear of the car seems to be sitting low but I am not sure about it.

Can someone recommend a reliable mechanic for helping solve this problem?

Thanks for your advice.

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#3892210 - 03/01/18 01:40 PM Re: Cleveland - Check Air Suspension [Re: JoeSapien]
a_d_a_m Offline

3 Orange Whips
Metroplectic

Registered: 10/25/05
Posts: 27900
Loc: Cleveland, OH
Welcome from Painesville.

Not sure what your mechanical ability is, but if you can jack the car up and look underneath, sometimes the little arm that acts as an air ride sensor comes unhooked. It looks like this:


Happened on my Marauder and has happened to others as well.

I was thinking of moving this to Suspension but, if what I suggested above doesn't pan out and you just wanna pay to have it fixed...Regional would work.
_________________________

'91 LTD Country Squire (POTM Mar. '19) | '03 Marauder (POTM Nov. '10, Jul. '20) | 2010 P7B (POTM Feb. '21)
formerly: '02 MGM, '04 MGM, '04 MGM v2.0, '04 MM, '07 P71 (POTM Feb. '18), '04 CVLX (POTM Jun. '19 and the best car ever), '03 SAP P71

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#3892602 - 03/01/18 06:22 PM Re: Cleveland - Check Air Suspension [Re: a_d_a_m]
JoeSapien Offline
n00b

Registered: 02/28/18
Posts: 28
Loc: Solon, OH
Originally Posted By a_d_a_m
Welcome from Painesville.

Not sure what your mechanical ability is, but if you can jack the car up and look underneath, sometimes the little arm that acts as an air ride sensor comes unhooked. It looks like this:


Happened on my Marauder and has happened to others as well.

I was thinking of moving this to Suspension but, if what I suggested above doesn't pan out and you just wanna pay to have it fixed...Regional would work.


Thank you from Solon.

Unfortunately, my mechanical ability is poor. I will see if there is someone who can help me with jacking up the car and taking a peek.

What do you mean by, Regional? I don't understand.


Edited by JoeSapien (03/01/18 06:27 PM)

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#3893066 - 03/02/18 07:42 AM Re: Cleveland - Check Air Suspension [Re: JoeSapien]
a_d_a_m Offline

3 Orange Whips
Metroplectic

Registered: 10/25/05
Posts: 27900
Loc: Cleveland, OH
Originally Posted By JoeSapien
What do you mean by, Regional? I don't understand.
Ignore what I said...I didn't notice you'd posted the same question in the Suspension forum.
_________________________

'91 LTD Country Squire (POTM Mar. '19) | '03 Marauder (POTM Nov. '10, Jul. '20) | 2010 P7B (POTM Feb. '21)
formerly: '02 MGM, '04 MGM, '04 MGM v2.0, '04 MM, '07 P71 (POTM Feb. '18), '04 CVLX (POTM Jun. '19 and the best car ever), '03 SAP P71

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#3893082 - 03/02/18 08:13 AM Re: Cleveland - Check Air Suspension [Re: JoeSapien]
JoeSapien Offline
n00b

Registered: 02/28/18
Posts: 28
Loc: Solon, OH
Good morning,

The mechanic says that it may require replacing the air bag suspension with a coil suspension. He suspects that the air compressor may have gone bad.

Total repair estimate is $534 with Monroe coil suspension. Is the estimate fair? Is Monroe coil suspension good? If not, which coil suspension would you recommend.

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#3893098 - 03/02/18 08:45 AM Re: Cleveland - Check Air Suspension [Re: JoeSapien]
a_d_a_m Offline

3 Orange Whips
Metroplectic

Registered: 10/25/05
Posts: 27900
Loc: Cleveland, OH
I assume he ruled out the ride height sensor? Your compressor won't make a peep if it is disconnected.

Either way, you do not need to replace the air suspension system entirely. If it truly is the compressor, Arnott makes a replacement for $222.80.

Overall, the ride height system is rather dependable.
_________________________

'91 LTD Country Squire (POTM Mar. '19) | '03 Marauder (POTM Nov. '10, Jul. '20) | 2010 P7B (POTM Feb. '21)
formerly: '02 MGM, '04 MGM, '04 MGM v2.0, '04 MM, '07 P71 (POTM Feb. '18), '04 CVLX (POTM Jun. '19 and the best car ever), '03 SAP P71

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#3893130 - 03/02/18 08:54 AM Re: Cleveland - Check Air Suspension [Re: JoeSapien]
PJC Offline
Climber

Registered: 08/03/17
Posts: 637
Loc: Nottingham, PA
Originally Posted By JoeSapien
Good morning,

The mechanic says that it may require replacing the air bag suspension with a coil suspension. He suspects that the air compressor may have gone bad.

Total repair estimate is $534 with Monroe coil suspension. Is the estimate fair? Is Monroe coil suspension good? If not, which coil suspension would you recommend.


$534 is a lot of money to take out the air bags and put coils in. If you're mechanically inclined google your model and "check air suspension" there are many helpful threads on the subject. Not sure about the 2009 but there should be a relay under the hood that could be bad.
_________________________
2002 MGM LSE 107k Arizona Beige Metallic, HPP, 3.27 rear, Floor shifter and console, basically stock


1998 Dodge Dakota 5.2L 4x4 164k






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#3893138 - 03/02/18 08:57 AM Re: Cleveland - Check Air Suspension [Re: JoeSapien]
Chaplian Offline
Insert witty title here
Poobah

Registered: 08/26/12
Posts: 5479
Loc: Chicago, IL
Originally Posted By JoeSapien
Good morning,

The mechanic says that it may require replacing the air bag suspension with a coil suspension. He suspects that the air compressor may have gone bad.

Total repair estimate is $534 with Monroe coil suspension. Is the estimate fair? Is Monroe coil suspension good? If not, which coil suspension would you recommend.


If he can't diagnose the air bag system, I wouldn't want him working on it.

These systems are actually fairly simple and incredibly reliable. My Crown Vic has 225k on its air suspension, and the only 2 things replaced so far are the rear air bags, and a compressor (which I suspect wasn't needed, just replaced it because it was getting noisy.)

Do NOT convert it to coils. The car will give you an error message on your dash saying the air suspension is faulty. Plus, to fix your issue, it will be cheaper than converting to coils, and you'll maintain your great ride. Converting to coils does worsen the ride.

Might be time to find someone else to work on your car who is familiar with the rear air suspension, or find a local CVNer who is willing to help.

Also, that price is a complete and total ripoff.
_________________________

2003 Crown Vic HPP- 226,xxx miles. Projector Retrofit. 3.27s. Dual exhaust. 11.25" torque converter. Arnott Limo Duty HPP-rate rear air springs. (Stolen by the old man)
1995 Impala SS- 28,293 miles. The Lovely Lady
2003 BMW 325i Sedan- 138,xxx miles. Eibach Springs, Bilstein shocks, polyurethane bushings, Projector Retrofitted lights, 330i brakes, 330i rear-end, 235/45/r17 Sport Comp 2s. Autocross machine.
2003 BMW 325i Wagon- 118,xxx miles. Eibach Springs, Koni Yellow shocks, M3 differential (LSD), M3 rear suspension/brakes, 330i front brakes, M3 6 Speed manual, Alcantara headliner.
2017 Mazda3 GT Hatchback- 57,xxxx miles. 2.5L, fully loaded. The Daily Grind.

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#3893402 - 03/02/18 12:41 PM Re: Cleveland - Check Air Suspension [Re: JoeSapien]
JoeSapien Offline
n00b

Registered: 02/28/18
Posts: 28
Loc: Solon, OH
Thank you for the responses.

How do I go about finding a local CVNer who might be willing to help troubleshoot and/or fix this problem for a price?

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#3893418 - 03/02/18 12:43 PM Re: Cleveland - Check Air Suspension [Re: a_d_a_m]
JoeSapien Offline
n00b

Registered: 02/28/18
Posts: 28
Loc: Solon, OH
Originally Posted By a_d_a_m
I assume he ruled out the ride height sensor? Your compressor won't make a peep if it is disconnected.

Either way, you do not need to replace the air suspension system entirely. If it truly is the compressor, Arnott makes a replacement for $222.80.

Overall, the ride height system is rather dependable.


No, he has not inspected the MGM yet, therefore has not ruled out the ride height system.

My usual mechanic told me that he is not interested in this job because of the complexity. One other mechanic told me something along the same line. So, its been a bit discouraging. Fortunately, I have an old backup car to use, therefore I am not pressed for time.


Edited by JoeSapien (03/02/18 12:47 PM)

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#3893458 - 03/02/18 12:48 PM Re: Cleveland - Check Air Suspension [Re: JoeSapien]
a_d_a_m Offline

3 Orange Whips
Metroplectic

Registered: 10/25/05
Posts: 27900
Loc: Cleveland, OH
I can't believe I missed this but...
Did you check the switch in your trunk to make sure it is turned to the 'ON' position?
_________________________

'91 LTD Country Squire (POTM Mar. '19) | '03 Marauder (POTM Nov. '10, Jul. '20) | 2010 P7B (POTM Feb. '21)
formerly: '02 MGM, '04 MGM, '04 MGM v2.0, '04 MM, '07 P71 (POTM Feb. '18), '04 CVLX (POTM Jun. '19 and the best car ever), '03 SAP P71

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#3893482 - 03/02/18 12:56 PM Re: Cleveland - Check Air Suspension [Re: a_d_a_m]
JoeSapien Offline
n00b

Registered: 02/28/18
Posts: 28
Loc: Solon, OH
Originally Posted By a_d_a_m
I can't believe I missed this but...
Did you check the switch in your trunk to make sure it is turned to the 'ON' position?


Yes, it is turned to the ON position.

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#3893514 - 03/02/18 01:08 PM Re: Cleveland - Check Air Suspension [Re: JoeSapien]
a_d_a_m Offline

3 Orange Whips
Metroplectic

Registered: 10/25/05
Posts: 27900
Loc: Cleveland, OH
Are you (and a friend/family member) able to jack up the ass end of the car at all? Not sure what your situation or abilities are and definitely not trying to ask super-personal questions.

Anyway, if you can, I can try to explain how to check the sensor. It's...painfully easy once the car is up.


Edited by a_d_a_m (03/02/18 01:09 PM)
_________________________

'91 LTD Country Squire (POTM Mar. '19) | '03 Marauder (POTM Nov. '10, Jul. '20) | 2010 P7B (POTM Feb. '21)
formerly: '02 MGM, '04 MGM, '04 MGM v2.0, '04 MM, '07 P71 (POTM Feb. '18), '04 CVLX (POTM Jun. '19 and the best car ever), '03 SAP P71

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#3893586 - 03/02/18 01:26 PM Re: Cleveland - Check Air Suspension [Re: a_d_a_m]
JoeSapien Offline
n00b

Registered: 02/28/18
Posts: 28
Loc: Solon, OH
Originally Posted By a_d_a_m
Are you (and a friend/family member) able to jack up the ass end of the car at all? Not sure what your situation or abilities are and definitely not trying to ask super-personal questions.

Anyway, if you can, I can try to explain how to check the sensor. It's...painfully easy once the car is up.


I will jack up the car! No, I won't get offended if you ask super personal questions.

I have a hydraulic jack. I used it about 15 years back! I just have to make sure that I place the jack properly. Hope I don't have to crawl underneath the car, never done that.


Edited by JoeSapien (03/02/18 01:28 PM)

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#3893594 - 03/02/18 01:31 PM Re: Cleveland - Check Air Suspension [Re: JoeSapien]
a_d_a_m Offline

3 Orange Whips
Metroplectic

Registered: 10/25/05
Posts: 27900
Loc: Cleveland, OH
Please, USE JACK STANDS when lifting a car! If you don't have some, head over to a Harbor Freight and spend $30-40 on a pair. laugh

You do not have to crawl under the car to jack it up, but you do have to crawl under the car to check the sensor.

There are jack points marked on your rocker panel covers (the plastic bits underneath your doors on each side). Look for the little arrow marks...those are jack points.


Really surprises me that you're experiencing resistance on this job from mechanics. If it was truly the compressor, it's not a hard fix:
_________________________

'91 LTD Country Squire (POTM Mar. '19) | '03 Marauder (POTM Nov. '10, Jul. '20) | 2010 P7B (POTM Feb. '21)
formerly: '02 MGM, '04 MGM, '04 MGM v2.0, '04 MM, '07 P71 (POTM Feb. '18), '04 CVLX (POTM Jun. '19 and the best car ever), '03 SAP P71

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