What have you done to your 5 ton this week?

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US6x4

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Wenatchee, WA
The interior of my '79 M813 also has that same mud color under the green CARC but I don't see it elsewhere on the truck.

20191103_101447.jpg
 

Ajax MD

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Mayo, MD
Took the truck out for a 40 minute drive to get the engine hotter than idling in the driveway so that I could get all the new coolant and DCA circulated in the engine.

Scrounger told me that it takes a long time to heat up that much metal and coolant and he ain't lying. The gauge hits the normal range pretty fast but when I got home, I still found spots that were just beginning to warm up. I was able to bleed more air out of the system with the petcock at the top of the radiator.

Test strips indicate that the coolant mixture is a little strong- Almost too much DCA and a high ratio of coolant to water. By now, stuff had cycled around enough to make more room in the expansion tank so I was able to top off with a final gallon of distilled water. That should put me in the "sweet spot."

It was nice to go for a drive without wondering "Is today the day that the water pump belt gives out?"
 

vvwilkins

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Riverside CA
I've been that way a couple of times. It's a long drive! One time I came in from the fawnskin side and was going to go down along the trail but there was a big gate that was locked preventing anyone from going up or down. It would be a real bad day if someone drove all that way up the trail only to find that gate locked. I think it was just below hanna flat campground. Thanks for sharing that video. Great job! Hey, did you stay warm in Thor's cab?
Thank You for watching and sharing your experiences. It was about 42 degrees in Big Bear that day. The Cab stayed pretty comfortable - didn't need to turn on the heater. I've relined the roof and upper portion of THOR's cab with dynamat and Liner to reduce exterior noise - I think it helped considerably in keeping the cab warm as well. That and a warm 8.3L Cummins probably helped :)
 

vvwilkins

Member
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Location
Riverside CA
That looks really nice! What was the cost to line a hood? Now that I see this I want to do it to my trucks.
I cost about $171 total: 3 rolls of Dynamat Hoodliner material. Each roll is 32"x54"x0.75 thick.
Here's the summit racing link to the material i used:

I still owe the thread a mapping of how I applied the material to the hood.
 

Cape Coastie

CWO4 ENG/MSS, USCG, RET.
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Another dog bone replacement. This one was the upper rear. Aft end came out pretty easy but the front fought me for a couple of days. Got the old one out this morning In 17 degree weather and in a gravel driveway! New one went it pretty easy. Got a couple of new ones awhile back as surplus. Had to rotate the axle back a little to get it lined up. Realigned and tightened everything up. Just need a couple of cotter pins, I’ll use stainless steel, and then take her for a test ride. Probably rebuild this one and another I have sometime in the future.
 

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simp5782

My safe word is Pork and Beans.
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Been awhile guys but I'm back. Finally after2+ years got my m934A1 registered as a historical vehicle. California is a nightmare.
On another note, Can you put a Jake brake on this thing?
Yes. Jake number 25A. There is a thread in the 5 ton mods section where a member recently did it.
 

simp5782

My safe word is Pork and Beans.
Supporting Vendor
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332
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Location
Memphis, TN
Another dog bone replacement. This one was the upper rear. Aft end came out pretty easy but the front fought me for a couple of days. Got the old one out this morning In 17 degree weather and in a gravel driveway! New one went it pretty easy. Got a couple of new ones awhile back as surplus. Had to rotate the axle back a little to get it lined up. Realigned and tightened everything up. Just need a couple of cotter pins, I’ll use stainless steel, and then take her for a test ride. Probably rebuild this one and another I have sometime in the future.
Some of those cotton jacket supply and relay lines are looking a little crusty. They will start to leak thru themselves before long if not slowly doing it now
 

Terry Shelswell

New member
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Holly, MI USA
Work on my M816.

I exchanged a rear wheel cylinder. No issues after. Need to add back to spares.

I have been fighting the truck not wanting to start. I replaced the control box and truck seems happy now. Need to add back to spares.
 

77 AMG

Member
348
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Location
Owingsville, KY
Well, I got my clutch installed late last week and I have been enjoying some *very* nice shifting of the transmission, found some things for my truck at work - NOS top, 600 lbs/ft torque wrench, a set of old but good soldering irons and even managed to get a "family" picture of the Deuce and the 5 ton next to each other.
 

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Ajax MD

Active member
786
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Location
Mayo, MD
Ever since I bought my truck, I've generally stuck to a "test track" in my neighborhood while I get caught up on maintenance and generally shake the bugs out.
I have taken a few trips into town to dump yard waste and buy the winter's pellet supply.

A couple days ago, I took a longer drive that let me run at 52-55 mph @2000-2100 rpm for a little while.
Earplugs make the drive more pleasant but also cut me off from the sounds the truck makes which makes me uncomfortable. I'm listening for problems.

On the way back, when hitting speeds over 50mph, I kept hearing a random, metallic rattle or slapping sound. The location was definitely the engine compartment and it seemed far forward and down low. The noise was random and not related to anything spinning such as wheels or engine. I slowed down to 49mph and the noise basically stopped. During the entire drive, all gauges indicated perfectly normal. The truck drove beautifully.

Upon arrival at home, I inspected everything. I couldn't find anything loose or amiss other than some hose clamps that wept a little coolant because I failed to tighten them properly after my recent belt/hose/coolant job.

After another inspection yesterday, I have 2 possible theories.
1. The bumper shackles were flopping against the bumper when hitting bumps in the road at high speeds.
2. Something (maybe the sprag) in the front axle was misbehaving at high speeds.

I'm going to bungee the shackles to the bumper and try this again with a camera running to see if the noise repeats, and to try to record it. In fact, I have a FauxPro type of camera that I'll mount to the undercarrige to see what it picks up.

Hopefully it's nothing but my paranoia.
 

TheQuaker

Member
Steel Soldiers Supporter
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Location
Canton, MI
Ever since I bought my truck, I've generally stuck to a "test track" in my neighborhood while I get caught up on maintenance and generally shake the bugs out.
I have taken a few trips into town to dump yard waste and buy the winter's pellet supply.

A couple days ago, I took a longer drive that let me run at 52-55 mph @2000-2100 rpm for a little while.
Earplugs make the drive more pleasant but also cut me off from the sounds the truck makes which makes me uncomfortable. I'm listening for problems.

On the way back, when hitting speeds over 50mph, I kept hearing a random, metallic rattle or slapping sound. The location was definitely the engine compartment and it seemed far forward and down low. The noise was random and not related to anything spinning such as wheels or engine. I slowed down to 49mph and the noise basically stopped. During the entire drive, all gauges indicated perfectly normal. The truck drove beautifully.

Upon arrival at home, I inspected everything. I couldn't find anything loose or amiss other than some hose clamps that wept a little coolant because I failed to tighten them properly after my recent belt/hose/coolant job.

After another inspection yesterday, I have 2 possible theories.
1. The bumper shackles were flopping against the bumper when hitting bumps in the road at high speeds.
2. Something (maybe the sprag) in the front axle was misbehaving at high speeds.

I'm going to bungee the shackles to the bumper and try this again with a camera running to see if the noise repeats, and to try to record it. In fact, I have a FauxPro type of camera that I'll mount to the undercarrige to see what it picks up.

Hopefully it's nothing but my paranoia.
Wow Ajax your ears must be well-trained...

Between my 923's underhood "normal" engine noises, the exhaust, drive train, tire noise (G177's), general constant body rattles, stones flying up against the undercarriage and wheel wells and wind roar at speed against the cab I would never hear something like my tow shackles smacking against the bumper. :)


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TheQuaker

Member
Steel Soldiers Supporter
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Canton, MI
Ajax
I get you. I understand completely.
But there is no shame or embarrasment in breaking down...most of these trucks are antiques we are driving. Sooner or later it will probably happen. Just be prepared for the common things and the rest...well... deal with that when or IF it happens.
Don’t stress too much about driving it or you will never be able to really enjoy owning and driving such a great beast.


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77 AMG

Member
348
15
18
Location
Owingsville, KY
Yeah. I can relate to how Ajax is feeling. When I finished the install of the new clutch, I went through and basically tightened down, bolted down, or removed anything that was loose, extra, (not going anywhere, like old air line pieces from the sprag transfer case) or other. My truck has developed a rather *nasty* shake in the front end when you pass roughly 55-60 mph, or faster. I am leaning towards either a bad wheel bearing (bleh) or wasted king pin bushings.
 
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