|
|
|
#1
|
|||
|
|||
W123 Cruise Control Will Not Shut Off
I would like to run this situation by everyone to try to prevent more money waste.
I purchased a "rebuilt" Programa amplifier to fix non working cruise control. It worked perfectly for two months. Then one day on the highway I could not turn it off by the switch and was forced to brake, pull over and shut the car off. I ordered a replacement amplifier (under warranty) thinking the first was defective. I did not solve the problem. I then ordered a rebuilt (Programa again) actuator. Problem still not solved. The cruise control only quits when one holds the switch in the off position. Otherwise it goes back to the set speed. Very scary! I called GDL regarding the symptoms and was advised to replace the amplifier again. Does this sound like two bad amplifiers or perhaps a bad stalk switch? My throttle linkages seem fine. 1984 300D. |
#2
|
|||
|
|||
From what I gather, in the amplifier schematics, there is a problem in the amplifier. There is a K1 relay that unlatches whenever cancel is selected or the brake switch is engaged. Either this relay is failed or there is even the possibility of a part snafu.
On the second amp, holding the switch to off causing the cruise to cruise to quit, pretty much says the stalk switch is working. Without going into a lot of detail, the amp is just acting like Decelerate "electronically" rather than Cancel.
__________________
Sam 84 300SD 350K+ miles ( Blue Belle ) |
#3
|
|||
|
|||
I sometimes wonder if, in cases of perplexing cruise control weirdness, it's worth the hour of labor the dealer would charge to evaluate the system using their diagnostic tool. Then you'd know for sure.
__________________
14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#4
|
|||
|
|||
Stop your complaining
Stop your complaining. Mine won't turn on!
1991 300d, 167k |
#5
|
|||
|
|||
is the black vaccum vent under the dash functioning? or do you have the newer cruise? what year did they switch from the vaccum cruise to the newer ones? ive never had problems with my vaccum one.
__________________
95 E320 24k 07 E550 4matic 20k Soon to go 1977 240d 481k 2013 SL 600 Non MBs 02 Ford F250 Lariat 4 Quad Cab 7.3 Diesel 95k 01 Chevy Suburban 249K LT 5.3 V8 88 Saab SPG Convertible 32k 06 Lincoln Mark LT 59k 62 VW Bug 52 Bentley Mark IV 53 GMC half Ton Pickup 08 VW Beetle convertible 2k 07 bmw x5 4.8i 17k 03 bmw x5 4.4i 40k 08 Range Rover S 9K |
#6
|
|||
|
|||
Vacuum actuated through 1980, acc. to GDL site.
__________________
14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#7
|
|||
|
|||
nevermind then, sorry, good luck!
__________________
95 E320 24k 07 E550 4matic 20k Soon to go 1977 240d 481k 2013 SL 600 Non MBs 02 Ford F250 Lariat 4 Quad Cab 7.3 Diesel 95k 01 Chevy Suburban 249K LT 5.3 V8 88 Saab SPG Convertible 32k 06 Lincoln Mark LT 59k 62 VW Bug 52 Bentley Mark IV 53 GMC half Ton Pickup 08 VW Beetle convertible 2k 07 bmw x5 4.8i 17k 03 bmw x5 4.4i 40k 08 Range Rover S 9K |
#8
|
|||
|
|||
They can be frustrating trying to get them to work. A shop replaced the actuator one time and it was working ok. then it gets to surging, shut off or suddenly the engine will speed up. not sure is the amp was changed or not. did replace the broken stauk one time.
when I replaced the engine last time, I left the actuator off. There are a couple after market cruise controls that some of the guys have used with success. www.peachparts.com/shopforum/showthread.php?t=286803 www.peachparts.com/shopforum/showthread.php?t=219993 Charlie
__________________
there were three HP ratings on the OM616... 1) Not much power 2) Even less power 3) Not nearly enough power!! 240D w/auto Anyone that thinks a 240D is slow drives too fast. 80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works |
#9
|
|||
|
|||
Make sure throttle linkage is well lubricated....that will also cause cruise problems.
__________________
14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles 06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
Bookmarks |
Thread Tools | |
Display Modes | |
|
|