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18 hours ago, ndvaughn said:

Would the truck run fine if the lift pump was weak? The truck seems to run excellent, no smoking or missing, just no power. I'm not sure on exhaust gas temps cause i don't have a guage for that. Engine temp is normal, and all filters have been changed. Is there an easy way to check for a boost leak? 

yes!  you would not notice  a miss it would just be doggy with low fuel pressure I Check the fuel pressure  change out the fuel filters It can be the pedal how ever not often ( to check that use the cruise buttons!) The other hold out can be the torque limit switch on the trans the wires may be rubbed and shorted together or a faulty switch this will cut the boost in Half so the ECU will not see anything as a problem! If you have no boost gauge GET one! it will tell you allot!

Newer clutches have two zerks onr in the middle one at 4 oclock!

12 speed

Sounds like a valve or if it has dyntard slave stuck

Drill two small aposing holes install two screws and pull it out with vise grips and a bar

NO! THE  power leash is fine 

Use a good quality silcone sealant on the valley plates and power tower  a smidge around the fuel pump mounting flange oring use a gasket on the P/s pump glued on with gasket glue Use anaerobic sealant to put the compressor on (lot of weight on that one ) and  if you used a front cover gasket take it back off and get rid of the gasket they tended to leak at the bottom from the engine mount flexing the cover use silicone or anaerobic on that as well and reset the cam thrust screw!

I Have always set the linkage / cable  (Clutch brake first)  first 1/2 inch off the floor  for the brake  as this does not change much when setting the winder to get the gap !  Works for me !

yup  e9 400 m had a huge working RPM 1100 to 1500

You Pretty much got to dig in and pull the pan and the heads off possible  broken rings or bad piston by what you discribe

in my opinion!

16 hours ago, Mackpro said:

I didn't say he was legal! Lol . No , not coal. I'll try and pull his trip records next time he's in the shop and post it here. It always seemed to me that you were hurting the engine when running that low of RPM down the highway, but these MP8 engines seem to love it.

Hey pro What was  old is new again maxidyne revisited ! Didnt hurt the V8 Didnt hurt the 285! ? Should be no problem for the MP 8 ! These seem to have a decent bottom end ;the heads are a little  in question at times! That tiny little window of rpm is why there pushing I shift / MDrive focus on milage! they take yet more control from the driver and let the computer do the thinking! Won't need the driver soon! Its coming!

22 minutes ago, wiserfrombud said:

These motors do very well @ low rpm.

Says it! the longer the legs the better the mileage! 

2 hours ago, Mackpro said:

Looks like if you unplug the 7th injector you should have .5 to 3 ohms across the 2 wires  .  Same if you plug the 7th injectors in and check at the bottom plug on the engine ECM on pins 45 and 62.  There are no books on troubleshooting these anymore all in the Mack Tech Tool program now. 

Yup ! Take Note !

This is an example of  WHY You pay the shop rates you do! The crap you see in the pic is the stuff The BIG V  (SELLs ) to the dealers to work on the stuff the dealer Sells  to you ( and it aint cheap ) . Got to have it to have IT to a have it to have a half good chance of repairing issues ,That unit is just one of many needed to repair these new units ( NO books) Your best chance of self repair Is Guys like Mackpro Who Care about what we are doing for our customers and like to see em succeed!  

agreed

KS

Does the Scania V8 have an Engine brake function (Dynatard) they don't mention it!

That in my opinion was one of the down falls of the v 8 lack of engine braking!

Its beautiful No up dating no BOOTING UP NO  BS , Just get ater and fix the DAM  truck!

Google prolink 9000

A prolink 9000 with the vmac 1 cartridge will do what you want to do plus setting parameters and look at  switch status  Bla bla! Good unit

The otc hd code reader will also read and clear codes I have a Mac tools HD code reader works well for it ( SAME as OTC) You can't program just read and clear! The V Mack software is  a half decent but I think you got to buy it thru mack IF They still offer it! 

A prolink 9000 with the vmac 1 cartridge will do what you want to do plus setting parameters and look at  switch status  Bla bla! Good unit

The otc hd code reader will also read and clear codes I have a Mac tools HD code reader works well for it ( SAME as OTC) You can't program just read and clear! The V Mack software is  a half decent but I think you got to buy it thru mack IF They still offer it! 

Pull the inlet and outlet and look for damage!

Don't forget the swedes changed the good  mack part system to there own useless system! WORLD numbering system!

You could set the initial timing up about 2-4 degrees probably at 6 at the moment  to 10  that would mean instead of  a top end timing of 22 degrees you would be at 26 when maxed out Id be watch my pyro thou !

You should buy a new truck! keeps the economy healthy.  However, keep your your old truck so when the new truck is in the shop you have something to make money with !  Warranty  don't pay for down time And VOLVO don't care if  your  making money! 

It may be the econovance its self the spring may be broken or simply worn out! If working properly  When the engine starts it should stumble and sputter and smoke  till the oil preasure comes up then smooth out if its not doing this and u have changed the sol  it could be a physical issue with the advance its self!

CHECK THE LINER PROTRUSION As stated earlier Very important! 25 - 30 thou is good anything less than 22 not great at all!