Little help please - Dodge Cummins Diesel Forum
94-98 Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect...NO ADVERTISING

 
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post #1 of 11 (permalink) Old 01-07-2018, 05:24 PM Thread Starter
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Little help please

Found this today.... Anyone can tell me if this is potential the broken line for my boost Guage

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2001 2500 automatic 4x4 190xxx
AFE turbo, built trans, Tuned
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post #2 of 11 (permalink) Old 01-07-2018, 06:19 PM
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It appears to be a post turbo thermocouple for an EGT gauge.

97 3500, 2 WD, G56, slightly bombed, 1.3 million miles with un-additized diesel fuel. Started the second million on 8/24/13
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post #3 of 11 (permalink) Old 01-07-2018, 06:27 PM Thread Starter
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It appears to be a post turbo thermocouple for an EGT gauge.
It goes back across the engine towards the driver side and splits apart to two separate locations. That white L connector goes into the truck. I've found some other weird wiring and sketching stuff in this truck from previous owner but this has me confused

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post #4 of 11 (permalink) Old 01-07-2018, 06:34 PM
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Quote:
Originally Posted by GAmes View Post
It appears to be a post turbo thermocouple for an EGT gauge.
I think he's talking about the rubber vacuum fitting in his fingers in the pic. Either way that thermocouple should be moved pre turbo.

2001 QCSB 2500 4x4 ppump,7x.014s,S300/S400
2012 CCSB 3500 4x4 68rfe
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post #5 of 11 (permalink) Old 01-07-2018, 06:41 PM Thread Starter
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I've gotten all new gauges to run so I will be doing that eventually. Yes that is what I'm talking about... But is that a vacuum line if so does anyone know what it goes too?

2001 2500 automatic 4x4 190xxx
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post #6 of 11 (permalink) Old 01-07-2018, 06:56 PM Thread Starter
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Quote:
Originally Posted by GAmes View Post
It appears to be a post turbo thermocouple for an EGT gauge.
I think he's talking about the rubber vacuum fitting in his fingers in the pic. Either way that thermocouple should be moved pre turbo.

Is the vac line for the 4x4

2001 2500 automatic 4x4 190xxx
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post #7 of 11 (permalink) Old 01-07-2018, 07:15 PM
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Isn't there also a line for the AFC on the pump that runs across the engine?

2001 QCSB 2500 4x4 ppump,7x.014s,S300/S400
2012 CCSB 3500 4x4 68rfe
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post #8 of 11 (permalink) Old 01-07-2018, 08:16 PM
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I see it now. That is a vacuum line. I don't have a 4X4 but on mine the vacuum line near the exhaust manifold goes into the firewall to the HVAC. Does you air vent knob work? By working I mean can you select where the heat or A/C is directed to?

97 3500, 2 WD, G56, slightly bombed, 1.3 million miles with un-additized diesel fuel. Started the second million on 8/24/13
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post #9 of 11 (permalink) Old 01-07-2018, 08:25 PM Thread Starter
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I see it now. That is a vacuum line. I don't have a 4X4 but on mine the vacuum line near the exhaust manifold goes into the firewall to the HVAC. Does you air vent knob work? By working I mean can you select where the heat or A/C is directed to?

Yeah just went out and did a little testing. Air vents and everything are all good. Seems to be 4x4 about got stuck in 14 inches off snow and tried my 4x4. Dropped it in 4 low. No light on dash. Stepped on gas. Still in 2wd. Looks like thats the Deal

2001 2500 automatic 4x4 190xxx
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post #10 of 11 (permalink) Old 01-08-2018, 01:09 AM
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The vacuum line for 4X4 is near the master cylinder. Only vacuum lines I've seen in that area are for HVAC and a '97 that had a Jacobs exhaust brake.

Daily driver/ workhorse: 1994 2500SLT 4x4 Auto. Hewitt EGT, Boost, Trans gauges, Under hood Mech FP gauge, Trident fuel lines, Tork Tek OFV, Mag-Hytec DD Transmission Pan, Ford manual hub conversion, Diamond eye 4" turbo back, 37337 Upgrade. 260K

98 2500slt 4x4 ECLB moldy G56, south bend clutch 3rd gen trac bar , boxed control arms, billet tappet cover w/ dual breathers trident fuel lines, Tork Tek OFV, 4' stainless side dump with muffler 240k
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post #11 of 11 (permalink) Old 01-08-2018, 10:53 AM Thread Starter
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Originally Posted by alanack6795 View Post
The vacuum line for 4X4 is near the master cylinder. Only vacuum lines I've seen in that area are for HVAC and a '97 that had a Jacobs exhaust brake.
Guess I'll have to check there too. Cause I just had 4x4 but after that tube for HVAC broke it isn't working

2001 2500 automatic 4x4 190xxx
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