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| Author: | Shwabkid [ Tue Apr 12, 2011 11:23 am ] |
| Post subject: | Cruise Control |
I bought my CRD 1.5 yrs ago. The cruise never did work. Which fuse is for the cruise? The owners manual does not specify. Also is there a "control box" for the cruise? Where is it located? A friend who owns a powerstroke told me that using the cruise is not good for a diesel. Is that true? |
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| Author: | papaindigo [ Tue Apr 12, 2011 12:03 pm ] |
| Post subject: | Re: Cruise Control |
As far as I can tell the cruise control is not directly fused and there are a bunch of reasons that would cause it not to work. If you haven't done so already check the sticky entitled "Sam's CRD Noob Guide" near the end of his first post are links to the factory service manuals for 05 and 06. While to put it nicely those manuals are not error free with respect to the CRDs they are helpful and do contain information on diagnosing cruise control issues (search for cruise control or speed control). I'd also suggest using the boards search function for the same terms, scroll down in the Search in Forums box to limit your search to the CRD Love that Torque forum. There are several threads on cruise control issues including at least one note that says a burned out brake light filiment can disable cruise. Your friend is blowing smoke or passing on an ancient legend. In today's turbo charged small diesel vehicles cruise works just fine on the open road in most terrain and causes no problems. The exception being I wouldn't use cruise in mountainous terrain, going either up or downhill, for any type of engine where that use causes frequent gear changes and going downhill can result in downshifting and attendent RPM increase to slow the vehicle down. In my personal opinion that's hard on the sytem. Now in the big tractor trailer (e.g. semi) universe and the old days of no turbo using cruise on most any hill was impractical and possibly harmfull. I've used cruise as follows with no problem. 1993 Dodge D250 Cummins turbo 75,000 miles, 1995 Dodge Cummins turbo 36,000 miles, uptraded to a 2005 Liberty CRD turbo 32,000 miles and stoutdog has put about 14,000 miles on his 06 Liberty CRD with no issues. That said if you value your turbo life use the proper weight diesel rated oil (Mobile 1 or Shell Rotella), good quality oil filters, and in my opinion an oil change interval no longer than 6,000 miles AND after any period of high speed and/or hot ambient temperature driving with or without cruise be sure to follow the turbo cool down instructions in the manual. |
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| Author: | GreenDieselEngineering [ Tue Apr 12, 2011 12:39 pm ] |
| Post subject: | Re: Cruise Control |
When you press the cruise 'on/off' button will "cruise" appear just below the odometer? If it does and the cruise will not engage when 'set' is pressed, then you have an issue with the switches, or ABS or brake switch most likely. If the 'cruise' light never comes on even if you press and hold the 'on/off' switch for 5 seconds, then your engine ECM needs to have the cruise function re-learned. This can only be completed using a dealer scan tool (DRB). Another option is to send us your ECM for a tune and we can reset the cruise after flashing the ECM. Hope this proves helpful for you. |
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| Author: | papaindigo [ Tue Apr 12, 2011 3:45 pm ] |
| Post subject: | Re: Cruise Control |
Thanks GDE, I'd overlooked the obvious issue some have had that their ECM "forgot" or "never knew" they had cruise. |
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| Author: | irollgen4s [ Tue Apr 12, 2011 5:54 pm ] |
| Post subject: | Re: Cruise Control |
Got my CRD from my dad that he used bone stock to drive to work and back every day(160 miles about) and he used cruise for a majority of the way and now its over 150,000 miles and still running strong. The cruise control on it used to be finicky, sometimes working other times not, just pounded the top of the steering wheel with my fist one day(not too rough) to get it to work, and it has been working for months, maybe a year since then. might just be loose wires in there or something. |
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