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If you are a Farmer you can do this job! That"s what farmers do fix shit to get on with things ! Or At least find some one who can and the the point is you use the truck once a year how much do you want to spend??? oring kit MAK207SH32 - 66 MAK97AX121 snap ring - 61 MAK97AX126 snap ring - 63 At the very least here! take the end cap off of the BIG cyl 4- 3/8 bolts see if the snap ring is broken and hanging things up! if not then reassemble and yes the lid will have to come off! Just sayin

KEY PAI REFERENCE EXCEL NO. OEM REFERENCE DESCRIPTION REFERENCE INFORMATION 1 GSI-0616 MAK136KC25BP1 INTERLOCK 1 Call MAK136KC312 INTERLOCK 2 Call MAK393KB420A COVER 3 GSC-0009 MAK6AX1308X SCREW(3/8in-16 x 1-1/4in) NAV 60001R91 4 BWA-0066 MAK37AX265 WASHER 5 GSP-1674 MAK107KD140 SPRING 6 GDB-1665 MAK48AX17 BALL MAK 48AX11 7 GSP-1672 MAK107KD116 SPRING 8 GSP-1676 MAK107KD157 SPRING MAK 107KD1177 9 Call MAK413KB13 COVER 10 ESC-0035 MAK6AX1359X SCREW(3/8in-16 x 1in) MAK 6AX1274X NAV 1670574C1 11 GGS-3970-007 MAK628KB124 GASKET 12 MSW-4396 MAK1MR2297 SWITCH,Reverse NAV 454925C1 MAK 1MR1320 13 Call MAK408KB217A COVER 14 EPP-3575 MAK49AX234Z PLUG NAV 444631 15 Call MAK136KC120 PLUNGER 16 Call MAK6AX1313 SCREW 17 BGA-3009 MAK56AX438 O-RING,Lo/Direct Shift(4 Req'd) 18 BGA-3004 MAK56AX436 O-RING,Lo/Direct Range Shift (2 Req'd) MAK 56AX546 19 GSH-1714 MAK591KC2283A RAIL,Reverse 20 BGA-3003 MAK56AX437 O-RING 21 BGA-3007 MAK56AX434 O-RING 22 Call MAK414KB262 COVER 23 Call MAK6AX1292X SCREW 24 GPA-2204 MAK336KC232 PISTON,Lo Range 25 BGA-3008 MAK56AX441 O-RING,Direct Shift(2 Req'd) 26 BGA-3006 MAK56AX439 O-RING(2 Req'd) 27 BGA-3005 MAK56AX440 O-RING(2 Req'd) 28 Call MAK6AX1314 SCREW 29 Call MAK414KB2127 COVER 30 GBF-6443 MAK541KB19 BREATHER 31 GAC-2206 MAK476KB316A CYLINDER,Airshift 32 GSH-1694 MAK591KC2322 RAIL,Direct(TRTXL-1070) 32 Call MAK591KC2294B RAIL,Direct(TRTXL-107) 33 GPA-2205 MAK336KC265 PISTON,Direct MAK 336KC238 34 GKP-3489 MAK79AX75Z PLUG NAV 1662500C1 MAK 79AX4 35 Call MAK502KB113 DOWEL 36 GSC-6116 EF61160 MAK7AX264X SCREW,Lock(Dog Point) MAK 7AX152 MAK 7AX255 37 GSL-0624 MAK170KC276 LEVER,Reverse 38 GSL-0625 MAK170KC292 LEVER,Direct 39 Call MAK79AX58 PLUG 40 Call MAK35AX1028 WASHER 41 Call MAK22AX40 NUT 42 GGS-3970-004 MAK616KB37 GASKET,Cover,Compound 43 GSF-0623 MAK699KC2132C SHIFTER,1st/Reverse MAK 699KC351 44 Call MAK591KC2266A RAIL,1st/Reverse(TRTXL-1070) 45 GSP-3103 MAK31KD1151 SPACER 46 GSF-0650 MAK575KB3128A FORK,1st 47 Call MAK575KB3153 FORK,Reverse 48 GKP-3496 MAK79AX35 PLUG(1in Welch) 49 GSF-0622 MAK699KC2126C SHIFTER,2nd/3rd MAK 699KC350 50 GSH-1685 MAK591KC2277B RAIL,2nd/3rd(TRTXL-107) 50 GSH-1687 MAK591KC2281A RAIL,2nd/3rd(TRTXL-1070) 51 GSF-0630 MAK575KB3130A FORK,2nd/3rd 52 GSF-0635 MAK575KB3170B FORK,Direct MAK 575KB3208 53 GSH-1695 MAK591KC2327A RAIL,Direct 54 Call MAK699KC2148 SHIFTER,4th/5th 55 GSH-1692 MAK591KC2214A RAIL,4th/5th(TRTXL-107) 55 Call MAK591KC2228A RAIL,4th/5th(TRTXL-1070) 56 Call MAK591KC2232P1 RAIL,Compound (TRTXL-1070) 56 Call MAK591KC325 RAIL,Compound(TRTXL-107) 57 Call MAK7AX265X SCREW 58 GSF-0621 MAK575KB394H FORK,4th/5th 59 GOS-6182 MAK88AX370P3 SEAL CHI 7414 NAT 1049 60 GSF-0657 MAK575KB42C FORK,Compound 61 GRI-2702 MAK97AX121 RING,Retaining 62 FKT-1148 MAK14RC1131 KIT,Valve,Major 63 GRI-2703 MAK97AX126 RING,Retaining 64 FKT-1147 MAK14RC1130 KIT,Valve,Minor 65 GBK-6562-100 MAK342SH594 KIT,Retaining Ring Includes Rings (1)GRI-2701 (1)GRI-2703 (1)GRI-2711 (1)GRI-2712 (1)GRI-2713 (3)GRI-2715 (3)GRI-2716 (1)GRI-2719 (1)GRI-2731 (1)GRI-2732 (3)GRI-2734 (9)GRI-2735 (1)ESR-2832 (1)GRI-2733 (3)GRI-2704 (1)GRI-2702 (6)GRI-2706 (12)GRI-2707 (1)GRI-2714 (2)GRI-2717 (4)GRI-2718 (1)GRI-2794 66 GBK-6562-200 MAK207SH32 KIT,O-Ring Includes O-Rings (2)BGA-3004 (1)BGA-3003 (4)BGA-3008 (2)BGA-3005 (4)BGA-3009 (2)BGA-3006 (1)GGA-2993 (1)BGA-3007 (1)ER64420 Lubricant (1)GSL-0383 Breather (1)ER64420 67 GSP-1679 MAK107KD1172 SPRING(TRTXL-1070) 68 LSV-3692-002 MAK9054-P58987 ROTOR

The bigger of the two cylinders ! get the orings and a snap ring before you disassemble the cylinder snap ring has been known to break and cause the symptom you describe at the rear it can be accessed at the rear of the trans Without removing the lid!

Perfect Timing for the Volvo Guys!😡 Volvo Wins! You Loose Thats how the game is played! And that's how they make money!

Not really James, Allison is a far superior vocational trans! For the most part! If You have to Have An Auto and manual is not your thing then The I shift / M drive has its place I suppose??? but in the dump / mixer / anything work site related the ally is the trans for the job in my mind ! From my experience the Allison has stood the test of time! the Ishift in this instance not so much!

Is IT a 12 OR Is it a 13 speed???? Big difference !!!! If its a 12 the air shifter has reverse on the knob as well if its a 12 the orings on the hi low split can be changed with out removing the lid! all orings can be changed except the shaft oring which rarely leaks!

If the bolts don’t climb after the engine starts it is likely not charging! Most likely the alt.the relay on the fire wall can also be faulty.

If we’re talking the same issue here ? On older trucks We used to move inlet temp to the outlet pipe of the after cooler wonder if that is an option!

Do you have a Mack trans? If so there is a torque limit switch on the rear of the trans try unplugging that!

If it were a short it will likely show up as a fault does the check engine light eliminate when the miss occurs? EUP malfunctions should show!

Yup if it is the smoke and stumble file issue I wonder why it has chosen now to show up ?kind of odd! Something else l have been thinking is maybe a broken eup spring .just odd it’s happening in the same rpm range! The smoke and stumble usually showed up at a stop light some sort of heat sink issue either inlet sensor it though! Try to pay attention to when it happens and set instances!

Run a decent size wire from the truck frame to the box frame for ground or wait till you lift the box a bit to establish a descent ground

Check all of the connections on the fire wall also have seen the ground fault breaker cause issues like this try by passing it if you’re lost of prime theory don’t work.

Agree with that statement totally! Could easily start floating valves at that!

Just a note ! there was an exception ! the 325 V8 was governed at 2600 ! No load in that way they were able to use a six speed trans!

This being said the tack seems a little high 200 or so in my mind so if he’s driving by it his sweet spot is not where we might think! Just my thought on it so add 200 to the s/s 1400 you get 1600/1850 roughly!! If the tack is off!

In my opinion You need to remove the valve covers an look for a valve train issue a bent push tube or the like

Sounds like the accessory relay to me!when you turn the key on is the heater fan able to run? If not replace the relay!

Between 1400 and 1650 is likely where you need to be.

That be it! The big round thing screws in it has orings on it! the drain valve inside it has a spring behind a needle valve same as the E6

The only thing You may be able to uses is this 43MR213P2 If its still available and you will have to bush it up to 3/8 pipe! https://www.paiindustries.com/catalog/fraCatalog.php

Did the pump pop up when u unbolted it ? This will cause em to fly apart! Also I hope you are replacing the eup bolts they tend to break when reused !

So go find two or three good quality 1/8 thick fediloy grade eight flat washers from a bolt supply place and stack them in there the results will bed the same!you can’t not have no washer s in this location or you’ll endup in the same spot again !Fastenall to name just one. These brackets were once fabricated and held down by two bolts and spacers it is now casted!And now one bolt and a spacer over time they have cheapened things !

There needs to be washers or a thick washer between the bracket and the housing on the bolt that goes into the bango housing or it will not stay tight! The difff casting has milled flat cut outs for flat washers to fit there all the way around the diff if you don't put the thick washer there or at least several flat washers there for the bracket to seat to the bracket will never stay tight!

Good explanation buddy! My bet is the bolts are loose inside the cover . Your on the money for the repair as well !it also held to have the torque rod on the front diff as well spread the load around!