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So I've got an air line leaking, and the best way (so I thought) to get to it was through the floor panel. Guess than means some long-overdue spring cleaning. I've come to the conclusion that I carry WAY too much stuff in the cab of my truck. In case you forget, I have a day cab. Whoever said "there's no room in a Mack" was lying...

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When approaching a 4-way stop, the vehicle with the biggest tires has the right of way!
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...and it turns out it wasn't an air line.  There's a valve on the top of the transmission that's letting quite a bit of air out. Not certain if it's a "serviceable" part that I can pull off, open up, and change an o-ring, or if I need to replace the valve. Might have to wait 'til Monday to talk to my local Mack dealer...

When approaching a 4-way stop, the vehicle with the biggest tires has the right of way!
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24 minutes ago, RowdyRebel said:

...and it turns out it wasn't an air line.  There's a valve on the top of the transmission that's letting quite a bit of air out. Not certain if it's a "serviceable" part that I can pull off, open up, and change an o-ring, or if I need to replace the valve. Might have to wait 'til Monday to talk to my local Mack dealer...

make sure you have the vin#

and model

and year

and transmission #

Success is only a stones throw away.................................................................for a Palestinian

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30 minutes ago, Dirtymilkman said:

Look at those soft clean hands............

My wife would disagree with the "soft" part...about as soft as 80 grit sandpaper.

When approaching a 4-way stop, the vehicle with the biggest tires has the right of way!
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Well, for the MOST part, it was a pretty straight forward and simple job. Range control valve...4 bolts, 6 air lines, and an o-ring. Not for me. Got the air lines disconnected and started pulling the bolts...snapped one off. DOH! 1/4-20 should be simple enough...drill into it to use an easy out. Broke the damn wrench thing that holds the easy out. Plan B...drill it a little bigger and just re-tap it 1/4-20. Nope. Easy out made the hole such that the drill bit kept getting hung up. Size was close, though, so I figured perhaps I could just tap the stupid thing. Nope. Snapped the tap off in the hole. So, I cut my losses, dabbed a bit of RTV sealant on the hole, and put it back together with only 3 bolts. Got it back together, and it's holding air...so now back to repacking everything into the truck. Took a while, but I got it all to fit again. Easier to get at stuff, now, too... 

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Edited by RowdyRebel
When approaching a 4-way stop, the vehicle with the biggest tires has the right of way!
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Guess we ain't done wrenching yet. Wouldn't start this morning. Slowly turn over a time or two, then the voltage would drop. Even with the pickup hooked up, it wasn't really doing much. Tested the batteries, and 2 of them were barely "OK" and the third just into the "weak"...but it's only a cheap 100A tester. Then, the starter began to make a wretched noise, so I quit. Pulled the batteries and starter and I'm heading to town more than a little pissed off. When they put the new motor in, I had told them to replace the starter...which they didn't. Money WAS tight at the time, so I didn't raise a stink...just wanted to get back to work. It has been slow cranking for several years, though, so it SHOULD have been changed when the motor was out of the truck and parts were being transferred from the old to the new. Who's bright idea was it to bury that 3rd bolt so it is nearly impossible to get at? My garage came a fraction of a second away from being impaled by a 12" long 1/2" drive extension with a 12-point 5/8" socket attached to it...a sign that perhaps I'm gaining SOME control over my temper.

 

Anyway, old crap out. Need to go get new crap to install.

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When approaching a 4-way stop, the vehicle with the biggest tires has the right of way!
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just wait until you have to find that 3rd bolt blind

lucky my son is slim. He laid along the frame under the cab to get it

Success is only a stones throw away.................................................................for a Palestinian

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Well, after a whole bunch of cussing and carrying on in a manner likely to make a sailor blush, I came up with a solution for my lack of a 3rd hand. Redneck Engineering at its finest...

IMG_20170418_162157.jpg

IMG_20170418_162149.jpg

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When approaching a 4-way stop, the vehicle with the biggest tires has the right of way!
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Holy CRAP!!!!! Just finished up & put the batteries back in (I'd pulled them to take them with me to town & have them tested beyond what my little 100A tester will do) and hit the key. For the entire time I've owned this thing, it's cranked slow and seemingly hard. When I hit the key, it spun about as many times in 1/2 a second as it used to in 5 and fired up LONG before I expected it to. I'm used to 6-8 seconds of cranking (unless it's hot or really cold, then longer)...and this was running in less than 1. Damn, that's nice! Hopefully that'll let me get more than a year out of a set of batteries...set I'm on now is almost at a year and a half. Exide and Bulldog brands, I'll get 6-8 months out of them. Anyway, I'm pretty happy...and since I'm already greasy, I think I'll go ahead and grease the chassis today, too. Not QUITE due, but then I can go ride horses this weekend instead of having to do a grease job on this thing.

When approaching a 4-way stop, the vehicle with the biggest tires has the right of way!
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1 hour ago, RowdyRebel said:

Well, after a whole bunch of cussing and carrying on in a manner likely to make a sailor blush, I came up with a solution for my lack of a 3rd hand. Redneck Engineering at its finest...

IMG_20170418_162157.jpg

IMG_20170418_162149.jpg

where there`s a will there`s a way :thumb:

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Well, done for the night. Got 'er greased & swapped out a u-joint I've been meaning to do since the last time I greased it, so it should be ready to go for at least a few more days. Starter isn't on 100%...turns out one of the bolt holes (top side away from the engine) was broke. The bolt had to have the threads cleaned up...almost like it had been cross-threaded in. About 1/4 of the hole broke off, so hopefully 2-3/4 bolts will suffice. Needless to say, I'm happy to have 'er back together so I can get back to work...but still a little PO'd that I had to do this job in the first place. Oh well...that's life, I guess.

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When approaching a 4-way stop, the vehicle with the biggest tires has the right of way!
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