CCKW STEERING GEAR

Facts, Tips, Hints, and other snippets about the CCKW, Chevy, or DUKW
Post Reply
joel gopan
Brigadier General
Brigadier General
Posts: 2493
Joined: Thu Jun 08, 2006 1:10 am
Location: Hampden, ME

CCKW STEERING GEAR

Post by joel gopan »

Do not forget to check your CCKW Steering Gear at regular intervals, as the seal at the sector shaft is prone to leaks because of age and proximity to the red hot exhaust pipe. 60 years takes a toll. (mine seeps and there are oil spots on the PTO shaft, when I get ambitious I will instal a NOS steering gear to eliminate the leak)
44 MB 356378- 54 M-38A1-41 CCKW 352-51 M-37-42TW6-45MBT-43 M1 BOMB LIFT (WEAVER)- RECORD SETTING HONOR GRADUATE Wheeled Vehicle Mechanics School, U.S. ARMY 1960 - US ARMY ORDNANCE SCHOOL 1962 - MVPA 1064 - RED BALL CHAPTER - PHONY VETERAN HEADHUNTER - ARMY FIXED & ROTARY WING MECHANIC/CREWCHIEF-STILL FIT WARBIRD COCKPITS
joel gopan
Brigadier General
Brigadier General
Posts: 2493
Joined: Thu Jun 08, 2006 1:10 am
Location: Hampden, ME

Post by joel gopan »

If your Steering Gear leaks, do not try to cure it by adding Chassis Grease, as it will cavitate and the upper bearings along with the balls in the Guides may not get good lubrication.
Joel
44 MB 356378- 54 M-38A1-41 CCKW 352-51 M-37-42TW6-45MBT-43 M1 BOMB LIFT (WEAVER)- RECORD SETTING HONOR GRADUATE Wheeled Vehicle Mechanics School, U.S. ARMY 1960 - US ARMY ORDNANCE SCHOOL 1962 - MVPA 1064 - RED BALL CHAPTER - PHONY VETERAN HEADHUNTER - ARMY FIXED & ROTARY WING MECHANIC/CREWCHIEF-STILL FIT WARBIRD COCKPITS
dr deuce
Brigadier General
Brigadier General
Posts: 2400
Joined: Thu Jun 08, 2006 1:10 am
Location: Pembroke NH
Contact:

Post by dr deuce »

I have put chassis grease in all of mine for 25 years now. Only one went bad. The Bomb Truck was full of water when I got it because it was an open cab. 50k+ miles with no problem in the cargo truck.

Cavatation is generally associated with water propellers turning too fast in the water and creating such suction that it basically boils the water due to low pressure.
Dr Deuce Over 50,000 driven miles in a CCKW
1942 CCKW closed cab shopvan
1943 CCKW closed cab cargo w/M32 MG mount
1944 CCKW open cab LeRoi Kompressor
1944 CCKW open cab F1 Aircraft fueler tanker
1945 CCKW open cab cargo w/artic cab
1942 Chev cargo
1942 Chev K51 Panel
1944 Chev M6 Bomb Truck
1942 GPW Jeep
http://home.comcast.net/~cckw/wsb/html/ ... 59870.html
joel gopan
Brigadier General
Brigadier General
Posts: 2493
Joined: Thu Jun 08, 2006 1:10 am
Location: Hampden, ME

Post by joel gopan »

Cavitation also is associated with all fluids and chassis grease is a fluid. (I was also supervisor of a laboratory that tested asphalt and petroleum products) amongst the many duties I had when I had to work for a living.
44 MB 356378- 54 M-38A1-41 CCKW 352-51 M-37-42TW6-45MBT-43 M1 BOMB LIFT (WEAVER)- RECORD SETTING HONOR GRADUATE Wheeled Vehicle Mechanics School, U.S. ARMY 1960 - US ARMY ORDNANCE SCHOOL 1962 - MVPA 1064 - RED BALL CHAPTER - PHONY VETERAN HEADHUNTER - ARMY FIXED & ROTARY WING MECHANIC/CREWCHIEF-STILL FIT WARBIRD COCKPITS
joel gopan
Brigadier General
Brigadier General
Posts: 2493
Joined: Thu Jun 08, 2006 1:10 am
Location: Hampden, ME

Post by joel gopan »

I may have stretched the definition of cavitation, but the heavy viscosity of CG may not allow it to free flow into all area where the lube is needed. GO is the best lube for the steering gear. 562,000 CCKWs couldn't have been wrong.
44 MB 356378- 54 M-38A1-41 CCKW 352-51 M-37-42TW6-45MBT-43 M1 BOMB LIFT (WEAVER)- RECORD SETTING HONOR GRADUATE Wheeled Vehicle Mechanics School, U.S. ARMY 1960 - US ARMY ORDNANCE SCHOOL 1962 - MVPA 1064 - RED BALL CHAPTER - PHONY VETERAN HEADHUNTER - ARMY FIXED & ROTARY WING MECHANIC/CREWCHIEF-STILL FIT WARBIRD COCKPITS
User avatar
Barry Churcher
Captain
Captain
Posts: 242
Joined: Thu Jun 08, 2006 1:10 am
Location: Castleton, Ontario

Post by Barry Churcher »

When I started my apprenticeship in the 60s we had to check the steering box on every oil change. Not many vehicles then, especially trucks, had power steering. We took out the filler plug plus one other bolt to let the air out. We used a needle to add chassis grease and then topped up the box with outboard motor lower unit gear oil. I still do the same today and in all those years have never had a problem. Removing the other bolt to let the air out may be the secret I don't know. We used this procedure on our stock cars for years also. They would get a lot more heat (header proximity) and abuse than a truck ever would, admittedly they only turned left. :)
Cheers,
Barry
1944 Chev. C15TA
DAF YA314 ----- Chev. G506
Ford F15A (4)
Chev C15A (2)
Ben Hur Fuel Transfer
Polynor Trailer
Drone Winch Trailer
GE Searchlight
Nekaf
1953 M38A1
Telephone Reel Hand Cart
British GS Trailer
M101
M101 with Water Tank
101 CDN-2 (2)
WW2 Water Trailer
M-274 A5 Mule
Post Reply