Dana 20 & T150 vent ? - Off-Road Forums & Discussion Groups
Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

LinkBack Thread Tools Display Modes
post #1 of (permalink) Old 03-26-2001, 08:11 AM
Posts: n/a
Dana 20 & T150 vent ?

Where is the vents for the Dana 20 transfer case and the T150 transmission? I recently changed the oil in both and it was very mud like. I would like to extend the vents up higher, but wasn't exactly sure where they are. The Dana 20 looked to have something right above the rear output shaft, but it was pretty big. I couldn't see anything on the trans. Who has done the extend vents on these parts?

1978 CJ-5 '<font color=red>Cherry Bomb</font color=red>', AMC 360, SOA, 33x12.5
Sponsored Links
post #2 of (permalink) Old 03-26-2001, 09:41 AM
Keyboard Implanted
jeepgod's Avatar
Join Date: Jan 2000
Location: Wildomar, CA
Posts: 4,618
Thanks: 0
Thanked 3 Times in 3 Posts
Re: Dana 20 & T150 vent ?

never owned a T150.. but the dana 20 is right where you said it was.. i put a brass fitting in there.. and then ran a line up.. right above the rear output..


84 CJ-7 401/T-18/D20/D44/D60w/4.10&Detriots/YJ frame & tub/35x16x15 Boggers
<font color=orange>survival is instinct, but living takes guts</font color=orange>
jeepgod is offline  
post #3 of (permalink) Old 03-26-2001, 09:50 AM
Posts: n/a
Re: Dana 20 & T150 vent ?

Where did you get the brass fitting? Do you remember any part numbers?

1978 CJ-5 '<font color=red>Cherry Bomb</font color=red>', AMC 360, SOA, 33x12.5
Sponsored Links
post #4 of (permalink) Old 03-26-2001, 09:59 AM
Posts: n/a
Re: Dana 20 & T150 vent ?

The T-150 vent location is very similar to the Dana 20. It is near the top of the case, and just behind and to the left of the shifter handle.


post #5 of (permalink) Old 03-26-2001, 10:05 AM
I Do This For The Glory
JEEPN's Avatar
Join Date: Dec 1999
Location: Nobleboro, Maine
Posts: 7,958
Thanks: 0
Thanked 0 Times in 0 Posts
Re: Dana 20 & T150 vent ?

They're on the top of both, and the vent on the D20 is on the rear output. If you get a 1/8" NPT tap, you can pull the vent out, it's a press fit, tap the hole, and thread a fitting in. Grease the tap or use a vacuum cleaner to catch any filings. Put some hose with the fittings and you're all set. I tied all of mine together, so they run to a common high point. You can do all the vents for $10-$15 in material found at any local hardware store.

Winter Harbor, Maine
'81 CJ-8 Scrambled!
It's a Jeep, Chevy, IHC kinda thing!
JEEPN is offline  
Sponsored Links

Quick Reply

Register Now

In order to be able to post messages on the Off-Road Forums & Discussion Groups forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome