Mackpro

Thats it, cant seem to find it to buy or download.

Just heard a new song that started out talking about a red Mack Truck, something like "Chickenlights and Chrome" anybody heard it? If so who sings it. I heard it on XM radio Nsahville station. It was pretty good.

On the injector cup issue there are now stainless cups and new style injectors that come in a kit from Mack that will hopefully cure the cup issue. On the gasoline deal, all these trucks were dump trucks that were working in an area far from truckstops, these gas stations would have 4 pump handles on one stand, 3 grades of gas and then diesel. The diesel should have a black cover on the handle/nozzle but we found some stations would have green covers on the handles like the gasoline. The drivers just weren't paying attention.

There is a Mack service bulletin on injector fault codes, dont see many injector failures but mostly the wiring harness connectors at the injectors loose connection. We install new connector ends and this seems to fix the malfunction code most of the time. However as Rasler said the injector cups can cause issues as well. Also check the fuel tank for gasoline! We have had 4 trucks in the last 2 months that had gas in the fuel tanks and 2 were MP's and caused injector codes.

Last I could find of the E6 was in 1990 however in 1991 it still listed EME6-250L and 350L plus the EE6-350, I think these were for export.

Guess I will have to leave my phone in my tool box at lunch if I want to keep going to the strip club!

I agree Rhasler, while Mack/Volvo says their broke and no money to help (policy/goodwill) a owner/operator who has bought an MP-8 and is on their 3 set of injector cups. Volvo show up with this rig, while I like it and it's cool, I too think Mack should use the money to help stand behind their product!

Sorry to hear that! I'll talk to our sales guys. I known your situation and praying for you and your family!

The oil cooler inlet screen could be plugged, needs to be removed and cleaned or replaced every year or so. oil cooler inlet screen.pdf

I have a Mack Service bulletin SB214017 that tells all about the wategated turbo on the 2001 (starting in OCT) - 2003 ETECH 460 HP engines. Its a 15 page bulletin and I have it printed but cant get it in a format that I can attach here. I can fax it to you if you have a fax machine? Really you should just put no more that 40psi if air pressure to the wastegate and and it should move/open. Any more that 40 PSI and it could blow the diaphragm. If it doesnt move and you hear air leaking its a blow diaphragm. If you dont hear air leaking and it dosent move it's stuck. Soak the lever with penatrating oil and try to free up.

Very common problem, as long as it goes inactive soon after warmup, I would not change it unless it was under warranty, 2year/200,000 on the EUP's unless you have extended warranty. If it starts staying active for long periods of time then get it changed. 8-2 code means #2 EUP pump. 8 means EUP and the second # means position 1 though 6.

Looks like you got a lift axle on the very back, is this correct? If so, if you crank up the air to it does it help?

The one leveling valve fills all 4 bags at the same time. I have see road tractors converted to dump trucks with air bag suspensions that leaned to one side or the other when loaded. We have installed another air leveling valve on the RH side so that each side had it's own valve so the truck would sit level. But I dont recommend air suspension rears on dump trucks, real squirrly going down the road loaded. Whats your vin and I can look it up, is it the orignal rear suspension?

The Max-lite you have on that CXU seem to be the most trouble-free but time will tell. To me they all are good. You can still get the Mack AL and AL2 on new trucks. It has been around the longest but is heavier and have seen alot of issues with loose U-bolts but that was mostly due to maintenance issues and not the design.

On his CXU the rod is fixed and you have to actually move the bracket that the air valve is attached to in order to raise or lower it level. I have read and seen damage due to air bags set to high or to low. I only set it the way it come from the factory. Driver's were tearin up so many transmissions, drive lines and rear axles by driving with the air bags down, now all Macks after around 2004 with air ride rears have parameters in the VECU to limit road speed to 15 MPH if the driver tries to drive with the air bags down. While these parameters can be turned off or adjusted Mack just got tired of payin warranty claims for low air bag damage. Faulty air leveling valves can do some weird stuff, had one the other day just randomly start airing all the way up while going down the road. We replaced alot of them on the new trucks.

Ok , your truck has the Maxilite rear suspension. With the truck on level ground, unloaded and no trailer. Release the parking brakes, dump the air bags with the switch, after they have deflated all the way, flip the switch and air them back up. Chock the front wheels. On the front rear drive axle on the LH side. Measure from the top of the axle housing to the top of the frame mounted axle bump stop. It should be 8 1/2 inches. Look at page 3 of the service bulletin and enlarge the pic of the ride height guage and you can see where you are to measure from.

Mack service bulletin on ride height. give me the last 6 of the vin and I can look it up and see what rear suspension you have and get you a better anwser on ride height. sb136012.pdf

Also found this Email responce from Mack on the issue========= These parts are for CHUs chassis that may be experience a reoccurring resonant vibration in the cab while under load in mid to high-range gears. Typically the vibration is most prevalent at highway speeds (40-60 mph) when the chassis has to negotiate a grade or when full engine power is required. The reoccurring resonant vibration will occur in the cab and in some cases may shake the dash. The cab can be isolated from the engine vibration frequencies by the installing the following parts. See attached document "CHU_VibrationComplaint Resolution".

Found the Email from Mack about the vibration============== I received your voicemail regarding the CHU613_1219 unit with the vibration complaint. Jim Gallagher is correct we have seen this issue before in which there is a reoccurring resonant vibration in the cab while under a load in mid to high range gears (at approx. 40-60mph). Here is a parts list that you will need based on a 300mm frame and “AL” suspension (see below). If you have any questions – let me know. Rear Suspension AL461 – AL401 300mm Frame Part Number Qty Front Cab Mounts 30QS4590M 2 Shelf Bracket L.H - 300 30QS4617M 1 Shelf Bracket R.H - 300 30QS4617M2 1 Upper Frame Tie - 300 30QS4619M 1 Upper frame Tie Bolts 27AM16 4 Upper Frame Tie Nuts 191AM4 4 Rear Engine Mounts 20QL414M 1 Front Drive Axle Seats N/A N/A Rear Drive Axle seats N/A N/A Edge Shocks 4000-60675001 4 Upper Sleeve N/A N/A Upper Sleeve N/A N/A Lower Sleeve N/A N/A Thanks, - Adrian

I'm cleaning out an MP8 EGR cooler today and tommorrow. At least with the ASET its easy to remove and clean. With the MP8 you gotta pull the turbo and a bunch of other crap!

I wouldnt adjust the ride height unless you had the exact ride height measurment availible. There are at least 3 different height settings for the rear air bag height depending on the type of air ride. Its so confusing we have a service bulletin next all the different guages that we have for measuring ride height. On the CXU and CHU you dont shorten or lenghten the rod on the valve, you actually loosen the bracket on the frame that the valve sets on and you rotate it one way or the other to adjust it. Too much up or down and it will cause vibration and even possible tear the syncro out of the transmission. Eaton Fuller likes to deny warranty for syncro damage, they claim they can tell if it was caused by improper ride height. Your new CXU should have come with a Maintance and Lube manual, in it it tells some on the ride height adjustment. I will try and find the service bulletin and post it here. Also the cab air bags have a measurment too, I will see if I can find it. We had 3 or 4 CXU's and CHU's with the vibrations when new and we installed the new motor mounts, cab mounts and rear shocks. The new rear shocks were alot stiffer than the ones that came on the truck. I always wondered if when the shocks started to wear out , would the vibration return. When the CXU and CHU first came out we still had "Mack" engineers in Allentown, I was talking to one about the vibration and he said it actually wasn't the engine vibrateing, it was a sound wave put off by the engine under a certain load, the cab was absorbing the sound wave and causing the felt vibration, kinda like when your in your car at a stop light and the guy next to you has a loud sterio with giant subwoofers cranked up and you can feel it in your car.

Got your text last night but didnt hear the phone. As the other guys said, EGR cooler needs blowing/cleaning out.

4.17 gears were good in older Mack engines and even the new MP engines but the 2004 and up AI ASET in the CV, LE and MR's just didnt like them. RowdyRebel: Last week I was chase'n a low boost problem on a ETECH for almost 2 days. During test drives I could hear what sounded like boost pressure leakin off. Kept pressurizing different parts of the intake system and everything was tight(leakfree). I was fixin to replace the turbo when I climbed on top of the truck and put my hand over the exhaust pipe and could hold back the exhaust pressure with my hand. Pulled the muffler off and found the baffle in the bottom had broke loose and lodged sideways in the middle of the muffler stopping it up. Worth a look.