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post #1 of 8 Old 05-05-2013, 06:42 AM Thread Starter
Chrisv102581
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1979 J-Series Truck 
 
Join Date: Sep 2012
Location: Dover
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BW 1339 questions

I'm new to the jeep community I have a 79 J10 with 360 th400 and bw1339. I have two questions about the TC, #1 should I be hearing any noise or actuation sounds when I switch the vacuum emergency lock switch and #2 should the TC make any regular noises while driving?, I'm think I'm getting some squeaking while turning.

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post #2 of 8 Old 05-05-2013, 07:40 AM
CSP
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No on both questions.
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post #3 of 8 Old 05-05-2013, 07:40 AM
jamesdart
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1978 FSJ Wagoneer 
 
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you should hear a little vaccum noise when shifting to emergency drive. the tc shouldnt be making any noise. squeeking is probably related to the universals. front driveshaft has 3, front axle has 2, rear driveshaft has 2. if its only when turning it could be the front axle universals. if its making a banging noise when under load, its probably the chain in the tc.
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post #4 of 8 Old 05-05-2013, 07:50 AM Thread Starter
Chrisv102581
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1979 J-Series Truck 
 
Join Date: Sep 2012
Location: Dover
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How can I test if the vacuum locker is actually working?... I hear the vacuum noise and all the lines are all new also how much vacuum should I have at the switch and the case? Thanks in advance
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post #5 of 8 Old 05-05-2013, 07:54 AM
jamesdart
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check out ifsja or fsjnetwork there is a lot of info out there about the qt case. im not sure about the vac reading. they are very small lines. i never tested. do you still have the vac ball on the firewall? is the e drive shifter hooked up to that? the heat and e drive should be hooked up to the ball with a T or Y fitting
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post #6 of 8 Old 05-06-2013, 03:07 PM
firebrick
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You can tell if it engages by just going out and driving in circles or make to turns. You can definitely tell the difference. My steel lines were pinched so I just ran the rubber vacuum lines all the way from the e-switch to the case.
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post #7 of 8 Old 05-06-2013, 04:53 PM Thread Starter
Chrisv102581
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Join Date: Sep 2012
Location: Dover
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How should I tell when doing the circles....sorry I'm being difficult
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post #8 of 8 Old 05-07-2013, 12:19 AM
pleontks
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1976 J-Series Truck 
 
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Location: Whetstone, Az
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drive it around the field. turn the switch. drive it around the field. you WILL be able to tell

Beauty is in the eye of the jeepowner.
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