Good afternoon to the brain trust. I have a new issue I don't understand. I replaced the front rear control arms and airstruts on my 2002 S430 over the weekend and now have the BAS warning, ESP lights, Airmatic visit shop and very heavy steering for some reason???. I did not remove the airmatic fuse but disconnected the battery. I have run the steering wheel full stop both directions but no change. Does anyone have input on the symptoms/ Thanks for any help you can give.

Brian

I should have also posted the suspension is very stiff as though the selector is on two for firmness.

One of your rear wheel speed sensors is either unplugged, damaged, or faulty.

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90 300TE 4-M
Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197° intake cam w/20° advancer
Tuned CIS ECU
4° ignition advance
PCS TCM2000, built 722.6
600W networked suction fan
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff

I will jack it up and look today. It was the front struts I changed though. Thanks for the advice

Checking Air-Matic for fault codes would be the way to go, but if this isn't possible make sure the level sensors are properly attached to the upper control arms at the front. Common mistake if you don't look closely!

Thanks for your help I will look closer at those tonight and post.

I'm also going to ad that I am having some trouble with my shift lever lock out which over the past month or so seemed to stick a couple of times is now very precarious. I've ordered a new brake switch and have read that the BAS and ABS as well as the ESP warnings can be related to.