Hello: Is it best to use 90W or 140W gear oil for steering gear box?
1955 M170
M38a1 Steering Gear Lubricant
- bl5211a
- Jeep Enthusiast

- Posts: 344
- Joined: Wed Dec 27, 2006 6:00 pm
- Location: NC
M38a1 Steering Gear Lubricant
Brian
1955 M170
1940 BSA M20
1955 M170
1940 BSA M20
- wilfreeman
- Jeep Legend

- Posts: 1079
- Joined: Sun Mar 12, 2006 6:00 pm
- Location: Richburg, SC
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Try 90w first - the thinner the oil, the easier it is to turn. If there is a lea go with a heavier oil. If it is still leaking, it needs a rebuild.
Matt
1953 M38a1
1964 USMC M38a1
'51 USMC M100 trailer, '54 M100 trailer, '90 M101a1 trailer
Http://wilfreeman.wordpress.com (M38a1 build blog)
http://m38a1usmc.wordpress.com (USMC M38a1 rebuild blog)
1953 M38a1
1964 USMC M38a1
'51 USMC M100 trailer, '54 M100 trailer, '90 M101a1 trailer
Http://wilfreeman.wordpress.com (M38a1 build blog)
http://m38a1usmc.wordpress.com (USMC M38a1 rebuild blog)