Checking tranny fluid level. |
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Frank G
Member Joined: 28 Mar. 2017 Location: Ridge NY Status: Offline Points: 21 |
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Posted: 29 Mar. 2017 at 4:24pm |
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Hello all, this is my first question on this forum.
I have a 48 cj2a which was restored about eight years ago I've done basic maintenance since I got it by doing oil filter changes as well as coolant changes every other year But recently I've run into a problem when in reverse it feels like it binds and then stalls . Pulling into my garage last week it stalled about four times I'm not really sure what's going on but obviously the first thing to check would be my transmission fluid. Now I have a couple of manuals on it but I am kind of confused on how to check the level of the transmission fluid level from my understanding I can check the transmission fluid level by checking the transfer case fill bolt? If I'm just going to gauge the level of transmission fluid for the transmission I'm going to make the assumption that I've only put about 1500 miles since the restoration that the fluid wouldn't need to be changed although it's eight years old but the jeep is garaged so climate factors aren't really a concern. Now for my second question what fluid what I use since if I'm low imgoing to need to fill it up is there anyway to purchase it online I've heard Debates in hypoid and no hypoid oil. Thanks a lot, Frank G |
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2t2-crash
Member Joined: 26 Apr. 2016 Location: Tacoma, WA Status: Offline Points: 224 |
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Check the level at the fill bolt, if I understand it correctly it's just like checking a differential, stick your finger in and make sure the fluid level is at the fill point. I can't help you on what fluid to use since my transmission is sitting in a basket waiting for the frame to be cleaned and repaired.
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Frank G
Member Joined: 28 Mar. 2017 Location: Ridge NY Status: Offline Points: 21 |
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And that would be the transfer case fill bolt? Or transmission?
From what I'm reading the transfer case sits higher so that the one to check for transmission fluid. Thanks |
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2t2-crash
Member Joined: 26 Apr. 2016 Location: Tacoma, WA Status: Offline Points: 224 |
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My understanding is the tranny is what you check as the xfer case fluid sits lower but bear in mind I'm a CJ2A newbie as well and not nearly as knowledgeable as some of the gurus we have on the page.
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46willy
Member Joined: 10 May 2011 Location: Vermont Status: Offline Points: 145 |
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Check both fill bolts (one on tranny, one on tcase), stick your finger in, level should be up to or just below the lip of the hole.
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46 CJ2A Column Shift #31278 (sold)
46 CJ2A #48293 61 Pickup (sold) 94 Cherokee Sport(R.I.P.) 98 Cherokee Classic (Sold) CJ2a/3a/M38 Jeep salad 50 Jeepster |
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Mark W.
Member Sponsor Member Joined: 09 Nov. 2014 Location: Silverton, OR Status: Offline Points: 7923 |
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You should use GL-1 mineral based oil 80-90wt. No modern gear oil like GL-5. If you pull your finger out and its a golden color you have the wrong gear oil and it is breaking down the bronze/brass parts in the tranny.
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Chug A Lug
1948 2A Body Customized 1949 3A W/S 1957 CJ5 Frame Modified Late 50's 134L 9.25"clutch T90A D18 (1.25") D44/30 flanged E-Locker D25 5.38 Since 1962 |
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Frank G
Member Joined: 28 Mar. 2017 Location: Ridge NY Status: Offline Points: 21 |
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Thanks for all the replies, my local shop only seems to carry gl-5. Any online sources ?
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tamnalan
Member Joined: 08 Oct. 2013 Location: Port Orford, OR Status: Offline Points: 986 |
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NAPA sells GL-1. I personally don't care for it. I ran it for several years and wasn't happy. If your trans/transfer case assembly is reasonably leak resistant then you might try a synthetic. I now run Royal Purple 75W-140 and like how it performs. It doesn't get thick when it's cold, and doesn't get thin when it's hot. Plus it claims to be kind to brass parts. It's spendy.
I've also used Valvoline 80W-90 with no problems. You'll find strong opinions on both sides of the "brass erosion" issue. I wouldn't worry too much about it. |
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Alan Johnson
1942 MB - "TBD" 1943 MB - "Lt Bob" 1950 cj3a M-100 x2 teardrop camper: https://forums.g503.com/viewtopic.php?f=141&t=201740 |
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2t2-crash
Member Joined: 26 Apr. 2016 Location: Tacoma, WA Status: Offline Points: 224 |
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Hell, my new neighbor is a transmission tech with 25 years experience so I can ask his thoughts on GL-1 alternatives too if you all want.
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mbullism
Member Sponsor Member x 4 Joined: 29 May 2015 Location: MA Status: Offline Points: 4759 |
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Spend 2 minutes with the advanced search feature you'll get all the conflicting opinion you need, lol...one more isn't a tie breaker
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Those who do not learn from history are doomed to repeat it... Welcome to 1930's Germany
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jeeper50
Member Sponsor Member Joined: 01 Mar. 2008 Location: Spanish Fort AL Status: Offline Points: 2579 |
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90 wt oil has a different smell to it so just checking the level will leave you with some sticky on your pinkie as we used to say back in high school. Ask for the GL-1 at your local auto supply accept no substitutes. Or go with a synthetic
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Belleview ol skool winch soon. '48 CJ2A 283 V8 sm 420 granny low, tera low D18, overdrive,lockers Texan at heart,Alabama by retirement |
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cal.bar
Member Joined: 10 Sep. 2016 Location: So. Cal. Status: Offline Points: 752 |
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I got mine online, but it's EXPENSIVE. Like $100.00 for a full refill.
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2t2-crash
Member Joined: 26 Apr. 2016 Location: Tacoma, WA Status: Offline Points: 224 |
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Oh I know, I've read a lot of em! LMAO |
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jaksjep
Member Joined: 03 Nov. 2013 Location: Southern CA Status: Offline Points: 471 |
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https://www.napaonline.com/en/p/FCA65201
NAPA GL-1 90 Gear Oil - 1 Gallon Part Number: NHF 65201 $13.19 https://www.napaonline.com/en/p/FCA65205 NAPA GL-1 90 Gear Oil - 5 Gallon Part Number: NHF 65205 $49.69 Edited by jaksjep - 30 Mar. 2017 at 7:42am |
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My posts are my personal opinion and are not legal advice as I am not an attorney. If you act on any of my comments you do so at your own risk.
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tamnalan
Member Joined: 08 Oct. 2013 Location: Port Orford, OR Status: Offline Points: 986 |
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An easy way to check the transmission/transfer case lube levels is to remove the fill plugs on both and connect a clear plastic hose. It's a Bubba mod! It works though. I did this mod on my MB because oil was migrating into my T84 transmission and couldn't flow back. The T90/D18 combo is drilled to let the oil migrate freely. I found that I liked the ability to quickly check the oil level and never changed it. I'm not sure about the T90, but the T84 fill plug is about 1/2" higher than the D18 plug. I keep the fluid topped to the transmission fill hole so I know the transfer case is a little over-full, which is fine with me. The hose is visible in the lower right corner of the pic. I add fluid through the top of the transmission (shift lever hole).
Edited by tamnalan - 30 Mar. 2017 at 3:13pm |
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Alan Johnson
1942 MB - "TBD" 1943 MB - "Lt Bob" 1950 cj3a M-100 x2 teardrop camper: https://forums.g503.com/viewtopic.php?f=141&t=201740 |
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Frank G
Member Joined: 28 Mar. 2017 Location: Ridge NY Status: Offline Points: 21 |
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Thank you for all the replies I was able to have my local napa order it.
I guess I'm just going to do a drain and refill on both the tranny and x-fer case using a oil hand pump . The fluid I'm sure is pretty viscous so I'll warm it up before the change. |
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Ol' Unreliable
Member Joined: 25 Sep. 2016 Location: CO Springs CO Status: Offline Points: 4226 |
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That doesn't sound like a transmission problem to me. I think I'd look at brakes first. |
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There's a reason it's called Ol' Unreliable
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Frank G
Member Joined: 28 Mar. 2017 Location: Ridge NY Status: Offline Points: 21 |
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I was thinking it was either a brake problem or transmission problem but I figured I would check the transmission fluid first. I'm not really sure what I'm looking at if there's a brake problem. When I get a chance next week I purchased Gl-1 fluid from Napa I'm going to drain the transmission and transfer case and put new fluid in and see from there.
I check the parking break and that looked normal. I would figure the jeep would give me a problem driving forward as well if it was actually a brake problem.?.?. |
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