2002 Mercedes-Benz E - Page 8 - Answered Questions & Fixed issues
Hi.My 2001 Mercedes E320 key fob keeps setting off my car alarm. I have to take the battery out to keep it from happening. (Did change batteries thinking that was the problem) Any suggestion.....
The issue is probably due to damaged contacts on the membrane keypad or damaged tact switches within the fob. If you're comfortable doing so, open the fob to gain access to the switches or contacts. If it's a membrane style button then carefully clean the contacts on the circuit board with something like isopropyl alcohol or electrical parts cleaner. If using electrical parts cleaner, be careful not to get it on the plastic as it will likely soften, warp, and / or discolor the plastic. You're better off to spray on a cotton swab and clean the board with the swab.
If your fob uses tact switches, then you may opt to remove the switch from the board which will disable the panic feature. Or, if you have given up hope on the second fob, pull the switch from it and install that one on the otherwise working fob.
How to accurately diagnose the Actros gear problem?
Remove the starter motor and check if there is a circular black plastic bung behind it, if there is remove the bung drill a hole through it approximately 10mm alternatively if doesn’t have the bung you can drill a hole in the O/S of the gearbox bell housing (meant to be drilled to 11.9mm but 10mm is fine) the reason for the disengagement is over pressure in the bell housing bizarrely causing the clutch to disengage.
Based on the other problem you describe sounds like a TCM fault, there was a recall on the TCM (if your truck has had it the 2 plugs on the TCM will be facing towards the front of the truck, if it hasn’t there would be 1 plug facing towards the front and 1 facing towards the back), if your truck has had the recall it would be worth booking into a dealer and try to push for parts warranty as the TCM selects the gears and operates the clutch.
Also on looking back at your question, after replacing the clutch the vehicle does require a teach in?
In a worse case scenario you’ll have to fork out for a TCM
12/20/2018 10:41:47 PM •
Mercedes-Benz...
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Answered
on Dec 20, 2018
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2,413 views
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