Big Blue Mack
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I’ve recently purchased a 2019 Mack Granite MP7 Mdrive transmission. It has an air leak on the driver side of the engine towards the rear I cannot find. It also has one seems to be in the bell housing. The truck will not build air unless throttled up. I’ve also noticed a surging while idling. Injector 7 issue? Not sure what us going on. I’ve only owned e tech and ASET engines. Thanks in advance. All of this has happened within the last week.
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2006 Mack CV713, t318 transmission. Reverse indicator suddenly quit working as well as alarm and lights. What would cause that? Thanks in advance!
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Mack T318 grinding while shifting in mid gears
Big Blue Mack replied to Big Blue Mack's question in Mack Truck Q & A
Update I was not hitting the shift points correctly. My dad a more skilled driver drove the truck and it shifted like butter! -
I have a 2006 Mack Granite with the T318 Maxitorque. I have recently purchased the truck and the transmission is now not splitting back to the low side gears. The slave valve is leaking. I have pulled it off and cleaned it and it still is leaking. I can not find a Slave Valve anywhere for this transmission. I am going to cut a new gasket for slave valve to see if it resolves the problem. After talking to a few mechanics and shops. They’ve said it could possibly be in the transmission. As the fork may not be sliding cause the valve to release the air. Any help or knowledge from past experiences would be very helpful! Thanks in advance!
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I recently purchased a 06 CV713 with a t318 transmission. I’ve noticed while splitting the mid gears it will grind for a split second and go into gear. I’ve been trying to do some research but haven’t found much. What could be causing this? Thanks in advance!
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