Question about 1983 Nissan Pickup

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1983 nissan datsun vacuum line diagram

Am having trouble getting compression in my vacuum lines. there are a bunch of them. I bought new hoses for the truck but am unsure where to start. Is there a diagram that I can get to look at to do the work. I have the maintenance manual but it dosn't show much

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Looking for vacume diagram under the dashboard for heater and air conditioning controls ...for a 1983 280zx ...having a problem with the floor door actuator and defroster...not getting vacume to the floor door actuator

Posted on Aug 22, 2011

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Which vac lines did you remove? if you havent removed any get a white paint marker and number each one and draw a diagram, paticquarly arount the carby.

Posted on Aug 05, 2008

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Posted on Jan 02, 2017

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1 Answer

How to repair vaccumn lines


Vacuum lines typically can't be repaired only replaced.
Step 1. remove a section of line. (take to parts store)
1a may need to remove a hose clamp typically a flat blade screwdriver but sometimes a compression spring type that can be opened with pliers.
2. go to a local parts store.
3. get new vacuum line of same diameter (see step 1)
4. install new line (same way you removed it)

never remove all the lines at the same time, too hard to remember where they all go.

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The only way that oil can be in a vacuum line is for a hole in the diaphragm of the actuator that it is attached to. There must have been a problem in the shifting or torque converter clutch operation. I hope you didn't go to all the trouble to change the engine because it was blowing smoke without doing a compression test first.

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1988 22 re vaccume hose layout


The 22RE Motor is a GREAT motor and has a BUNCH of Vacuum Hoses and the only way you are going to get it right is to take a picture BEFORE YOU START working on your car

or

Now that they are off and you are stuck, you need to find one and take a bunch of Pictures ...

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sounds like you may have a vacuum leak,on the driver side under the hood back at the firewall there are two vacuum lines with rubber hose connections,the rubber hose get brittle and start cracking creating a massive vacuum leak.i ran across this by accident as i was troubleshooting something else,but i was experiencing the same thing you are i would have to keep my foot on the gas to keep it running at first start.

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2003 Sebring lxi coupe 3.0 with multiple misfire New distributor (camshaft sensor, coil) New crankshaft sensor New plugs and wires Good compression At idle more rough then when on the gas and seems t


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Why is my 89 ford bronco running so rich


I saw what you replaced, didn't see any testing? Any applicable trouble codes?
Did you use a gage and check proper fuel pressure? My info on that engine size, said 35--45 psi. If the fuel pressure is too high, check the return line. As far as the fuel pressure regulator, do you have vacuum?

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Need a vacuum hose routing diagram for a 2002 Chevy S-10, 4.3 engine. I have a vacuum hose (from transmission) that does not terminate at an apparent location. Is is currently open-ended. There are...


Thinking this third hose is the actual vacuum hose that goes to the T near the vacuum reservoir located in the drivers side fender just below the antilock brake assembly. There is a one way valve in the line from the transmission to the T.

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1 Answer

Having trouble idleing on 1989 gmc sierra


Low / uneven idle problem can cause by a lot of components.

Dirty air filter

Dirty injectors + o-rings

Vacuum leak at intake manifold and vacuum hose.

Bad Idle Air Control Motor (IAC)

Low compression (170 psi + is OK)

Start cleaning and repair these trouble spots and see is there any improvement.

====

For more advance DIY'er then you may try this.

Use a can of Berryman carburetor clean to locate the vacuum leak.


SEE SAMPLE PICTURE HERE


This is a 20-30 minutes job.

Vacuum leaks can occur in following locations.


Intake manifold AND/OR vacuum lines.


Intake manifold is not accessible unless the engine head if off.

You can still check the potential leak by spraying some Berryman near the intake manifold.

Listen for rpm increase after you introduce the Berryman (FUEL) at idle.


Do the same starting from the brake booster unit (the round unit) on the drive side fire all.

Carefully listen for increase of RPM right after to spray the Berryman to the potential vacuum spot.

Get a friend to HEAR the ROM increase or monitor for RPM on the tech.

DO NOT AIM the Berryman into any heat source.


PLEASE RATE my answer if it is useful to you.

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LOW IDLE HEAVY VIBRATING


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Bought a 1987 chevy truck but most all of vacuum lines not connected


u didn't say what engine, but check out this site, I believe it will be very helpful as to what u are looking for-
go to 'autozone.com select year make, engine, etc, click on 'repair manual' then driveability and emissions control, then to 'vacuum', they have a bunch of diagrams that will keep u busy. If u have any trouble finding it, let me know.

Oct 24, 2008 | 1987 Chevrolet R20

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