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Transfer case "gauge" hose. #4566446
11/07/17 05:18 AM
11/07/17 05:18 AM
Joined: Sep 2013
Posts: 10,683
Indiana
dlundblad Offline OP
dlundblad  Offline OP
Joined: Sep 2013
Posts: 10,683
Indiana
Probably a question better suited for a Jeep forum, but I've only seen it once so figured I'd ask here anyways.

I saw a photo where someone took a clear flexible hose with threaded fittings on the ends. One end went onto his transfer case's fill hole and the other went onto the drain hole. The result was a nice u- shaped inspection "gauge" that would clearly show the fluid level without getting under the vehicle and removing the fill plug.

The question is for my truck, which also has a New Progress/ New Venture transfer case. A co worker directed me to my transfer case's fluid level when I was complaining about my lack of power (clogged cat).. Wasn't the issue, but sure enough it was LOW. Common GM thing I guess. Took well over 1 quart. This is just a band aid until I can fix the leak. I pulled just over 10k out of the last fill so I should be good for a while. shrug

Can anyone think of where to start looking? I can't even find a flexible enough hose to make that bend.


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Transfer case "gauge" hose. [Re: dlundblad] #4566448
11/07/17 05:22 AM
11/07/17 05:22 AM
Joined: Sep 2013
Posts: 10,683
Indiana
dlundblad Offline OP
dlundblad  Offline OP
Joined: Sep 2013
Posts: 10,683
Indiana
Also, I used Maxlife on the first fill and re-filled with Maxlife because it's what I had on hand.

Probably going to start topping off with DexIII. It's a mineral oil and a tad thicker. Certainly won't hurt anything.


03 Jeep WJ 4.0 202k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Transfer case "gauge" hose. [Re: dlundblad] #4566512
11/07/17 07:20 AM
11/07/17 07:20 AM
Joined: Jun 2003
Posts: 17,817
Deplorable in apple valley, ca
Chris142 Online content
Chris142  Online Content
Joined: Jun 2003
Posts: 17,817
Deplorable in apple valley, ca
I have seen that too. But I would just top it off every 3000 miles or so.


02 Wrangler carlube 5w30
87 F250 traveler 15w40
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Re: Transfer case "gauge" hose. [Re: dlundblad] #4566566
11/07/17 08:33 AM
11/07/17 08:33 AM
Joined: Feb 2013
Posts: 11,088
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline
Joined: Feb 2013
Posts: 11,088
Phoenix, AZ
Sounds like another possible point of leakage.

Have you found where it's leaking?


2015 Hyundai Sonata 2.4L 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: Transfer case "gauge" hose. [Re: dlundblad] #4566567
11/07/17 08:33 AM
11/07/17 08:33 AM
Joined: Feb 2011
Posts: 6,769
Hudson, NH
LeakySeals Offline
LeakySeals  Offline
Joined: Feb 2011
Posts: 6,769
Hudson, NH
Originally Posted By: dlundblad
Also, I used Maxlife on the first fill and re-filled with Maxlife because it's what I had on hand.

Probably going to start topping off with DexIII. It's a mineral oil and a tad thicker. Certainly won't hurt anything.

Actually, Dex VI is a tad thicker than Maxlife these days. Dex III is much thicker than Maxlife. I know because I had to remove maxlife from my GM BW4481 TC. Shuddering when accelerating around corners was horrible. Oreilly has a nice Dex III-H fluid, the spec for my TC. All is fine again. I plan to get it out of my transmission as well. I'm wondering if maybe its responsible for the slow downshift as well.


06 Escalade 6.0L LQ9 AWD 165k M1 0w40
03 Maxima 3.5L POS 152k ST HM 10w30
Re: Transfer case "gauge" hose. [Re: dlundblad] #4566572
11/07/17 08:39 AM
11/07/17 08:39 AM
Joined: Feb 2011
Posts: 6,769
Hudson, NH
LeakySeals Offline
LeakySeals  Offline
Joined: Feb 2011
Posts: 6,769
Hudson, NH
I think you would be better off getting the $5 pump that fits the top of the quart and pumping till it flows out fill hole. If you're concerned about overfill, open fill hole when its hot. Some will seep out due to expansion. Then you know its not too high, plugging the vent so it can't breathe, which creates pressure, and a leak. Make sure the vent is not pinched, hanging down, etc.

Note: the manual tells you the exact height, but what I told you is safe alternative to attempting to measure down from fill hole.


06 Escalade 6.0L LQ9 AWD 165k M1 0w40
03 Maxima 3.5L POS 152k ST HM 10w30
Re: Transfer case "gauge" hose. [Re: dlundblad] #4566637
11/07/17 09:25 AM
11/07/17 09:25 AM
Joined: Feb 2009
Posts: 8,806
Texas
440Magnum Offline
440Magnum  Offline
Joined: Feb 2009
Posts: 8,806
Texas
Well, I wouldn't be too crazy about having a piece of polymer tubing that could get ripped off by a trail obstacle and drain the whole case...

But if you want to do it or its just temporary, I'd probably use brass fittings to make the right angles out of the plug holes so that you have two barb-fittings pointing more or less at each other, and then just use a straight piece of Tygon tubing (probably the type with nylon webbing molded into it- see link), rather than trying to bend the tubing 180 degrees.



'66 Dodge Polara & '69 Dodge Coronet R/T both 440/727
'08 Ram 1500 4.7/545RFE
'12 Challenger SRT8 392/6-speed
'99 XJ 4x4 4.0/AX15, '14 WK2 4x4 3.6/8HP
Re: Transfer case "gauge" hose. [Re: dlundblad] #4566783
11/07/17 11:58 AM
11/07/17 11:58 AM
Joined: Sep 2004
Posts: 7,814
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,814
Marshfield , MA
I've found that on a diff or a transfer case, or anything there is a vent. I parted out the diff in my first BMW. It was encased in delaminating rust. Except the area around the vent. That was a layer of grease and dirt with clean metal below. I always filled until it ran out. I noticed the same thing on the Rat. greasy vents. So, I'm happy if the level is about an inch below. It is room for expansion when the diff gets warm.


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2

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