The wires are for the injectors. They are known to go bad and the hatness needs to be replaced so the injectors get the power they need before worrying about replacing any. Injector voltage is critical in a PSD.
My truck is a 1990. Mike On Aug 8, 2013 4:40 PM, "Randy Bennell" <rbenn...@bennell.ca> wrote: > My very limited experience with diesel trucks is all fairly remote. > As I said, earlier, my son is a mechanic and does some work on diesel > pickups. > He tells me how messy, difficult and expensive they are to repair. > > He was working on a late model GM Duramax recently. (an 08 if I recall > correctly) > A bit of a long story but someone had hired the shop to install a > "rebuilt" engine in the truck. > Tom could not get it to run properly. He was convinced it needed injectors > but they run something like $800 each and the truck owner did not want to > pay for them so they checked a few other things and improved it somewhat > and the owner took it away. > It may come back yet I suspect. > Tom felt that the "rebuild" was pretty bad as he thought they should have > checked and rebuilt the injectors along with the engine. > In any event, he spent the better part of a week trying to make it run > right and the shop got paid for his time but they never got it to work the > way it should. He said at the outset, it could not get into the shop unless > he took a run a it because there was a lip of about an inch at the entrance > to the shop. By the time he was done with it, he said you could drive it at > highway speeds but it still had no real power like it should have. He had > replaced the worst 3 injectors but suspected the rest needed to be done too. > He had also discovered some broken wires and repaired them. I cannot > recall exactly what that related to but it was in under the valve covers so > maybe to injectors? > > What year is your Chevy Mike? > > Randy > > > > On 08/08/2013 1:36 PM, Michael Canfield wrote: > >> Interesting comment. Along with my 83 300d, I also drive an r3500 Chevy >> crewcab with 6.2 and sm465 4 speed tranny. The 6.2 is efficient but not >> powerful like a Cummins or Powerstroke. If you drive it completely the >> opposite of the Benz it is cheap to run and reliable. If you run it hard >> it will eat fuel like a small block gasser in a way too big truck. >> >> Just got done replacing the engine, trans and many other parts after 4 >> years of veggie oil abuse, hauling junk and trips all over the east coast. >> $500 for 50k mile rv engine, $100 for quiet, low miles tranny, and maybe >> $1000 into random other crap and it is as good as brand new. >> >> Comparing to the Benz.....it is WAY easier to work on, requires almost no >> special tools, likes lower rpm's but will need an occasional Italian >> tuneup, does not like wvo without conversion(rotary pump vs. inline on >> MBZ) >> and will destroy pumps right away if you try it(I learned the hard way). >> >> Mike >> On Aug 8, 2013 2:17 PM, "Fmiser" <fmi...@gmail.com> wrote: >> >> Randy wrote: >>>> >>>> However, I also have to admit that I really do not need a 3/4 ton >>>> and a 1/2 ton with a gas engine probably makes a whole lot more >>>> sense. I just like the diesel. Unfortunately, the new diesels >>>> have become so fancy that there is no hope of having a lighter >>>> duty pickup with an engine as trouble free as my old MB. >>>> IF only there was. >>>> >>> Well, what's wrong with a late '80s GM with the Detroit 6.2L? Not >>> as trouble free as an MB, but close. >>> >>> Oh. It's kinda old - huh? >>> >>> -- Philip >>> >>> >>> > > ______________________________**_________ > http://www.okiebenz.com > > To search list archives > http://www.okiebenz.com/**archive/<http://www.okiebenz.com/archive/> > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/**mailman/listinfo/mercedes_**okiebenz.com<http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com> > _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
