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Different truck. That one was air dryer.

Have a Cummins 8.3 in a 923 that won’t build air normally. Replaced air dryer with a new one. No moisture in system. Do the air compressors go out frequently on these? The engine appears to be a reconditioned one builds air air slow and hard to reach 80 psi

Anyone install a airtex fuel pump and what model used. What was used for power source. Attach pictures if possible.

Very nice setup

With the two 585cca how does it start? Not too slow?

You have picture of cable connection for the two set up?

What size or model battery are being used if not using 6TL. I have to get new batteries for my M818. Text at me pics. 832.674.5792

9/97, 1078 is model. Mechanical Caterpillar 3116. i used to be DFP rep for caterpillar but had newer generation of trucks. I do know like in civilian Top Kicks back in the day this light would always be on

Anyone have the issue on their FMTV where the temp is 195 and high temp light staying on? Had a issue with air leak at front emergency glad hand and fixed that but temp stays at 195 with light still on.

Anyone have a rear end (rear-rear or front rear) assembly? i have one that is making a clunking noise, i think the ring and pinion is damaged from previous owner. Checked u-joints, all tight and no movement.

If you want a M747 I know of one for sale for 11k in Houston here

I had this same type of issue on a M939. I took the air dryer apart, cleaned and resealed and it worked good after that.

Removed lower section and cleaned, resealed Purge valve and truck was able to build air.

I will try to get a video of the noise when driving. noise starts at around 25 mph and progressively gets louder at 30 and higher, then when you slow down it decreases in noise.

I lifted up the rear axle and spun it with truck in neutral, brakes released. You could turn left rear tires and here a slight "clunk" noise then the drive shaft would like catch and then start turning. Performed action on both sides. I have a few videos attached. The truck does not pull to...

I put an Airtex 8135 electric pump on mine and it cured my hard/no start issues.

How would one check the locker on a 920?

Well from what I can tell it did not pull to any side. The noise was prominent from the front rear end, like a banging noise from hitting something. the truck was just service and there was no bad U-Joints.

I removed the purge valve and cleaned up the bore, it was pretty tight with very little debris, I resealed and going to put on this weekend, hopefully that may of been the problem. I was told it would air up before, the desiccate filter was like new.

Have a M920 with a clunking noise at the front rear end at 30 MPH, i think its safe to say need a new one, anyone know of a take out available?