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Mackpro

Pedigreed Bulldog
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Mackpro last won the day on January 12

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About Mackpro

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  1. https://static.nhtsa.gov/odi/tsbs/2015/SB-10082931-0699.pdf
  2. The 85133799 is for the newer MP engines starting in 2008 with DPF and actually will work in engines all the way up to the common rail engines.
  3. The EGR valve for the 04 Emission MP7 only fits that particular engine and they only made it for one year so it’s a oddball part . The part number you listed is a good part number for the kit that includes the valve , gaskets and clamps. The part number for the EGR valve by itself is 20784883. And of course no stock anywhere at the Mack part distribution centers or dealers .
  4. The air compressor gets its fresh air from a hose coming from the back of the intake manifold. If the hoses or piping are leaking you will have low turbo boost ,
  5. Only the pre-CCRS /ASET engines used the off set can key . Not sure if it causes low power but I know in a 2000 RD bumped from 400 to 460 will over heat in the summer . I know cause I did it . Lol. Winter And spring we’re ok but the summer heat was to much , putting in the off set key way fixed the overheating.
  6. Looking at 2004 cx613. 427aset . Good or bad motor. Has 284 thousand. Farm truck.

  7. I don’t know exactly when the ceramic roller abs spring loaded push tubes were phased into actual production but they can be found in any ETECH engines out there as they can be used any ETECH out there, the ceramic rollers are quieter and if properly maintained they last longer than steel. But a spring loaded push tube must be used on the exhaust rollers as the .024” valve lash is to much slack and turns a solid push tube into a jack hammer and shatters the ceramic roller over time. The .016 lash on the intake seems to cause no trouble. That’s why valve adjustment and updating the rocker arm
  8. Neither . The ASET AC and AI Engines did not start till sometime in mid to late 2003 for the 2004 model year. A 2001 is also a confusing year. As that year you could have a regular Etech engine or a CCRS engine. And some parts between those two engines such as EUP’s, turbo , injectors camshaft won’t enter change with each other
  9. There are 2 different cartridge style water pumps for the ASET engines , one for the AC engine and one for the AI engine. One has a 5.27 inch pulley and other has a 5.88 inch pulley, the wrong one can be easily installed and cause cooling issues.
  10. The air line goes to a small solinoid mounted on a bracket on the far LH side of the fire wall under the hood. These solinoids are very prone to failure. So much so that we quit ordering trucks with air fan clutchs.
  11. The install tool does it all . There is another tool that can be used to check alignment from the bottom but it’s not a true install tool
  12. You have to pull the head, you drive them into the top of the block with a special tool . I would pull both heads and check all H rings for height and alignment with the tool . https://www.freedomracing.com/j-41683-a-h-ring-installation-tool-alt-st-271.html?___store=default&gclid=Cj0KCQjwyN-DBhCDARIsAFOELTkQYu8bovPFGcCPy2y3lwijWKKRUkv5vQDubzklDPSd8BvcFQuMN3kaAh8wEALw_wcB
  13. I wondered about making the “Y” from metal gas pipe fittings , that way you could use 3 pieces of straight hose . A “Tee” and a smaller elbow and a reducer bushing and 3 pipe nipples and your done
  14. Looks like my links were bad , but in the link, enter SB261016 or SB261014 in the “Keyword Search” to locate the bulletins, then click on the SBXXXX to view
  15. Also this bulletin as well . https://macktrucks.vg-emedia.com/ProductListing.aspx?keyword=SB261016 Click on the underlined SBXXXXX to view/save the bulletin
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