2007-01-21 06:40:57 · 4 answers · asked by Anonymous in Cars & Transportation ➔ Car Makes ➔ Dodge
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2007-01-21 06:42:43 · answer #1 · answered by Anonymous · 0⤊ 1⤋
Ok, I'll lead you through the vacuum line connections for your 4X4 operation.
You have two vacuum lines comming from the engine compartment down to the vehicles frame. If you have a diesel, the vacuum lines will originate at the vacuum pump which is mounted directly behind the power steering pump on the drivers side of the engine. If you have a gas engine, the vaccuum lines will originate at a connection somewhere on the intake manifold of the engine.
They generally follow the cowling under the windshield and then drop down under the body while following along the top of the transmission.
Go underneath your truck and back to the 4X4 transfer case just behind the transmission. There will be a vaccuum connector on the top of the transfer case connected to a vaccuum switch which is mounted directly into the transfer case. This switch is activated when you move the transfer case shift lever into 4X4.
The lines then drop down to the front of the transmission crossmember where they connect to two metal tubes. (This is a very common place to loose a connection). The tubes follow along the crossmember to the pass side frame rail and head toward the front axle. They will again have a connection from metal tubes back to plastic tubes when they jump from the frame to the front axle connector. There is a vaccuum tube connection mounted at the front axle disconnect diaphram. This is the end of their journey.
Common failures of the 4X4 vaccuum system are at the connections, the transfer case switch, the front axle disconnect diaphram and the source of the vaccuum supply. Check for melted plastic vaccuum lines of chaffed lines where they could make contact with the exhaust or sharp edges of the body.
I hope this helps out!
Ohhh, and also check the metal lines as they can sometimes get crushed and pinched closed.
2007-01-21 16:22:16 · answer #2 · answered by Ranger 1 · 0⤊ 0⤋
there arer several vacuum lines on a vehicle if you where more precise i could tell you. also if you look under the hood it should have a vacuum line schematic.
2007-01-21 14:43:59 · answer #3 · answered by duc602 7 · 0⤊ 0⤋
which vaccum you mean turbo, blow off, fuel, fuel reserve, splash back, carby... the list goes on... need more info
2007-01-21 14:43:47 · answer #4 · answered by Anonymous · 0⤊ 0⤋