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Old May 19th, 2009, 06:58 AM   #1
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Default 2006 Dodge/Cummins

I am looking at a 2006 2500 4x4 Mega Cab with Cummins. I know nothing about these, any tips on things to look for, or look out for? The truck has 55,000 miles. Thanks.
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Old May 19th, 2009, 07:30 AM   #2
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06 should be a 5.9, no real problems if stock. Turned up and pulling could shorten the life of the tranny. Also, if you get one, install a fuel pressure gage.
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Old May 20th, 2009, 06:54 AM   #3
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Truck is stock, what's up with the fuel pressure?
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Old May 21st, 2009, 06:30 AM   #4
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Just a good idea to know what the fuel pressure is comming into the injection pump. Most newer injection pumps are cooled by the fuel that flows through them, if the low pressure pump dies, the cooling effect is gone and big pump goes bye bye.
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Old May 21st, 2009, 06:59 AM   #5
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Just a good idea to know what the fuel pressure is comming into the injection pump. Most newer injection pumps are cooled by the fuel that flows through them, if the low pressure pump dies, the cooling effect is gone and big pump goes bye bye.
That was a big issue with the older VP44 injection pumps. With the newer CP3 pumps and in tank lift pumps it has not been an issue.

If you're looking at it to buy, look for velcro or signs of tape being on the fuse box cover which is under the hood by the left front corner. That is typically where performance boxes are mounted. Get the vin and check with a Dodge dealer (not the one your buying it from) to see if the factory warranty has been voided and to get the repair history.

It should start quickly and have little or no smoke at startup. A lot of white smoke is bad. Check the oil for diesel fuel, a sign of leaking injectors. The oil will be black, that is normal even 5 minutes after a change. It is from soot generated by the "in cylinder" egr. Ignore the oil pressure gauge since it is fake. The block has a 6 psi on off switch and the computer just makes up the pressure shown on the gauge. I haven't heard of anyone that had oil pump issues, so I guess it doesn't really matter.

Check the ball joints and front wheel ujoints as these seem to wear prematurely for some guys.

You buying it from a dealer or private party?
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Old May 21st, 2009, 07:10 AM   #6
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Quote:
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That was a big issue with the older VP44 injection pumps. With the newer CP3 pumps and in tank lift pumps it has not been an issue.

If you're looking at it to buy, look for velcro or signs of tape being on the fuse box cover which is under the hood by the left front corner. That is typically where performance boxes are mounted. Get the vin and check with a Dodge dealer (not the one your buying it from) to see if the factory warranty has been voided and to get the repair history.

It should start quickly and have little or no smoke at startup. A lot of white smoke is bad. Check the oil for diesel fuel, a sign of leaking injectors. The oil will be black, that is normal even 5 minutes after a change. It is from soot generated by the "in cylinder" egr. Ignore the oil pressure gauge since it is fake. The block has a 6 psi on off switch and the computer just makes up the pressure shown on the gauge. I haven't heard of anyone that had oil pump issues, so I guess it doesn't really matter.

Check the ball joints and front wheel ujoints as these seem to wear prematurely for some guys.

You buying it from a dealer or private party?
Great info, thanks. It's private party.
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Old May 22nd, 2009, 08:42 AM   #7
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Quote:
Originally Posted by Brods View Post
That was a big issue with the older VP44 injection pumps. With the newer CP3 pumps and in tank lift pumps it has not been an issue.

If you're looking at it to buy, look for velcro or signs of tape being on the fuse box cover which is under the hood by the left front corner. That is typically where performance boxes are mounted. Get the vin and check with a Dodge dealer (not the one your buying it from) to see if the factory warranty has been voided and to get the repair history.

It should start quickly and have little or no smoke at startup. A lot of white smoke is bad. Check the oil for diesel fuel, a sign of leaking injectors. The oil will be black, that is normal even 5 minutes after a change. It is from soot generated by the "in cylinder" egr. Ignore the oil pressure gauge since it is fake. The block has a 6 psi on off switch and the computer just makes up the pressure shown on the gauge. I haven't heard of anyone that had oil pump issues, so I guess it doesn't really matter.

Check the ball joints and front wheel ujoints as these seem to wear prematurely for some guys.

You buying it from a dealer or private party?

Perfect answer. I have an 06 Mega with a Cummins. Its a great truck and I like it alot but maintanance is expensive. Stay away from BFG AT with these heavy girls, I had them on for a while and had the worst death wobble. This was also combined with worn steering components, but I changed them out and the wobble didn't go away until I got rid of the BFG's.

I have a DR performance pressure box on it and it is a great little power module. If you buy it, ensure to throw a set of gauges in it (boost, EGT, and either Fuel Pressure or Trans Temp).

Cumminsforum.com is a great site with a rather large MI crowd with very experienced Cummins enthusiasts.
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Old May 22nd, 2009, 01:09 PM   #8
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Perfect answer. I have an 06 Mega with a Cummins. Its a great truck and I like it alot but maintanance is expensive. Stay away from BFG AT with these heavy girls, I had them on for a while and had the worst death wobble. This was also combined with worn steering components, but I changed them out and the wobble didn't go away until I got rid of the BFG's.

I have a DR performance pressure box on it and it is a great little power module. If you buy it, ensure to throw a set of gauges in it (boost, EGT, and either Fuel Pressure or Trans Temp).

Cumminsforum.com is a great site with a rather large MI crowd with very experienced Cummins enthusiasts.
Thanks for the info, how many miles did you have when you had worn out steering parts? Did you have some suspension mods or bigger tires?
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Old May 23rd, 2009, 04:37 PM   #9
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2005 quad cab 4x4, stock, both front wheel ujoints seized (each had one cap dry) around 45k, rear driveshaft ujoint squeaky (one cap dry) at 47K, Smarty downloader at 50K, Toyo 285/75R17 tires at 58K, ball joints and front wheel ujoints again at 67K, replaced clunking sway bar links and adjusted loose steering box at 75K.

Front wheel ujoints or ball joints are a bitch since the unit bearings typically get rusted stuck in the steering knuckle and they have to come out to do either job. I installed freewheeling hubs during the first ujoint change. BTW If you go with greasable ujoints you have to grease them often.

16.11 mpg overall average for 75K.
Typical mpg not towing is about 18 highway, 16 city and 12-14 towing.

Gauges are a good idea even for a stock truck and especially so if you are going to tow heavy or use power adders. If excessive smoke out the tailpipe during acceleration will bother you then be careful about choosing a power adder. Some are better then others and everybody has a different level of smoke tolerance. I use a Smarty downloader, it has worked well but do I wish it had a program that had stock like smoke levels or could be switched back to stock on the fly. Also remember that using a power adder may void what is left of the factory warranty.

Cummins forum is good, as is the TDR (turbo diesel register). Just remember that the problems will appear somewhat overblown on the forums because, lets face it, who is going to post that their truck is running fine?
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Old May 24th, 2009, 06:12 PM   #10
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everything has pretty much been said. all good tech info.

theres one at brighton ford. was a trade in has a lift and 35s they said they wanted 30k for it and it has 51k miles 4 inch exhaust. looks great. i thought it was a little high for the market. what is the price for the one your looking at?
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Old May 27th, 2009, 03:01 PM   #11
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I just spent 2g's for a fairly tame rebuild on my trans. Everything with these trucks is bigger and more expensive.

Triple Disc Converter, race VB, Master Rebuild Kit, Billet Servo, and Billet second gear strut.
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Old May 27th, 2009, 08:11 PM   #12
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does it make a lot of noise ?? its prob broken then.. dont buy it
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Old June 5th, 2009, 10:40 PM   #13
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Thanks for all the good info, less Mclovin.... The truck is now sitting in my driveway, won't fit in the garage!
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