2005 xj8, got it towed and the front shocks low
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Did you have the XJ flat bedded or towed from the rear? If the latter - the residual air in the bladders were probably forced out during towing... (always have these cars flat bedded)
Drive the car more than 20 mph for a few minutes and the air suspension should reset and fill the struts.
Drive the car more than 20 mph for a few minutes and the air suspension should reset and fill the struts.
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If both shocks are low it probably not the shocks themselves but either the front height sensor or an electronic fault. The car to low message only appears when it's really very low. First you could try a drive with some heavy breaking and acceleration to force the height sensor through its range. If that doesn't work or you don't want to at this moment take it to a specialist with Jag software. They can read any errors and manually manipulate the system to help diagnose what is actually the problem.
Guus
Guus
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kchirume (08-26-2014)
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Do you know if the car was secured by the body or by the wheels only?
I agree with Guus that your next step is to have the codes read by a good independent Jag specialist (or dealer if that's you're only option).
Please keep us informed.
Don
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kchirume (08-26-2014)
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The manual specifies that not only must the X350 must be towed on a flat bed, but that it must be secured by the wheels only and not the body. No explanation is given, but I suspect that harm can be done to the suspension if the body is tied down but the ASCM enters Inclination Mode and tries to re-level the body by raising one or more corners.
Guus
#7
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I have flat-bed hauled our XJ over 12,000 miles behind our RV, and never had an issue with it not immediately adjusting to proper ride height. I think you have something else going on. If it is a strut or sensor, the computer should flag a code. One of the air lines from the compressor in the front to the valve block in the boot, may have gotten crimped during the tow.
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kchirume (08-26-2014)
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Just for clarity, was it Relay 4 in the Rear Power Distribution box that powers the Air Suspension Control Module?
Thanks,
Don
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According to the 2004 Electrical Guide, Figure 05.3, Relay 1 in the Front Power Distribution Fuse Box in the front right corner of the engine bay is the Air Suspension Relay that provides power to the Air Suspension Compressor.
The Air Suspension Control Module (ASM) receives Battery Power from 20A Fuse F52 and Ignition Switched Power from 10A Fuse F12 by way of Switched System Power Relay 4, all of which are in the Rear Power Distribution Fuse Box in the trunk/boot. I haven't figured out why, but the schematic also labels Switched System Power Relay 4 as "R7".
The schematic indicates that Relay 4 in the Front Power Distribution Fuse Box is the Wiper On/Off Relay.
I don't know if components were moved for the 2005 MY but it seems unlikely.
Please keep us informed, kchirume.
Cheers,
Don
Last edited by Don B; 08-27-2014 at 12:59 PM.
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