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Let's start simple. The stock heating system on the GM Square Body trucks is dead simple. Coolant is always running through the heater core on a properly functioning system regardless of cab temp setting. The cab temp setting changes the position of an air blend door that directs more or...

I have used that part. Appears to be the genuine GM part. Check out this page for some interesting 14 bolt info. Perform a page search for "strap" and you will see some information on aftermarket straps and their issues: http://www.pirate4x4.com/tech/billavista/14b_bible/

The Detroit Locker causes what would usually be considered excessive play due to it's design. If I remember correctly 1/4 turn of the drive shaft is within spec, but please do double check.

markg, thanks for pointing out that lead acid batteries are sensitive to charging voltages. A good article on charging system design and the compromises made by engineers: http://batteryuniversity.com/learn/article/charging_the_lead_acid_battery Note that the section of the -20 I referenced is...

I personally go with non-greasable. Seals are generally better. A couple of options: http://www.dennysdriveshaft.com/c134_1350_series...outside..._3_58_x_3_58_inches.html I went with these and they are fine so far...

Power steering belt tension adjusting tool Thexton 383. Works great. Get them while they are still available. I keep one in each truck and have several spares.

From the -20 page 2-60: 9. VOLTMETER IN RED (OVERCHARGE) ZONE (ALL EXCEPT M1010) Step 1. Start engine. Check voltage at left and right alternators at positive (+) terminals. Voltage should not exceed 16.0 at left alternator or 31.8 at right alternator. If voltage is over 16,0 at left alternator...

Stock 16" are working fine for me as well. Had a boatload of rain over the weekend. The 16's gave me plenty of visibility. I think having more variability of wiper speed would be more beneficial. I grew up on two speed wipers and my first car had vacuum motor wipers. But I am now spoiled by...

Right out of the -10 page 2-57: 2-14. TOW A TRAILER/AIRCRAFT a. Towing Capacities of CUCV Models. (1) M1009. Equipped to tow M416 Series 1/4 ton trailers with maximum towed load of 1200 pounds for both cross-country and highway travel. Load on tongue should not exceed 100 pounds. (2)...

NOS and rust free? I'm sure you'll help some of us out. I am just about to order 4 new inner fenders, two of each side.

Interesting brochure produced by BERU: http://www.beruindia.com/pdf/GLOW%20PLUGS.pdf

Well, unfortunately part of the answer lies in what type of plug you are using. Older style non self regulating plugs need more care. Newer style self regulating plugs like the AC60g's actually reduce the current demand as they heat up in order to extend their useful life. With AC60g's, my...

Excellent, glad you found the issue and are back on the road.

I respectfully submit that you have at least one issue that needs to be addressed. You say you were on "E". Does the fuel system need to be bled? Are you seeing any color smoke from the exhaust when you crank? White smoke is usually indicative of raw fuel being exhausted. Black smoke...

Based on your symptoms, I would start by ensuring your batteries meet minimum specifications for CCA and reserve capacity. GP cycles are a significant draw. Also, make certain your charging system is working properly. Are your battery connections all clean and tight? Especially battery...

Here is my experience starting both of my trucks in the North East during this onset of the dreaded "Polar Vortex". I have two CUCV's, an '84 (built late '83) M1009 and an '85 (built very early '85) M1008A1. Both have: New Air filters (Fram, wicked cheap at RockAuto) New Fuel Filters...

The Happy Dance! Outstanding ...

Nice. Could I impose on you for a wiring diagram of that hookup? Thanks for the critique. Hoping this thread reduces confusion.

I just want to check my understanding: Afterglow = energizing the glow plugs after a successful engine start for a time determined by the glow plug module based on sensor inputs. This is not to be confused with glow plug over voltage protection which will cause the relay to cycle DURING the...

That is true if you get a neck intended for a vehicle running on unleaded gasoline. The nozzles were made intentionally smaller to prevent leaded gasoline from being added to the tanks. The tetra ethyl lead compound will destroy a catalytic converter in short order. The diesel, to my...