Question about 1997 GMC Jimmy

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Not sure where 4WD vacuum hoses hook up at

Doing a intake manifold repair to a Jimmy found a vacuum hose laying by the distribuitor and have no idea where it hooks up at just know it goes to the transfer case

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  • Anonymous Mar 19, 2014

    is off need to know where it goes

  • Anonymous Mar 31, 2014

    Is there a diagram for ALL vacuum hoses?

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Isn't that an electronic motor on the case? If so then it's just a vent for the T-case. If not then it would go to a round ball canister on the fender.

Posted on Aug 02, 2009

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That hose is just a breather hose to vent the pressure inside the transfer case.

Posted on Aug 02, 2009

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My 1996 Mitsubishi Montero will start but not idle at all once driven. My father-in-law suggests adding some Sea-foam to the vacuum hose and the gas tank to help. My question is; where do I find the...


Back in the good old days, engines had various vac hoses that controlled other devices including the PCV valve. The idea was to use one of the vac hoses to pull SeaFoam directly into the intake and help clean deposits off the intake valves.
Today's engines have very few such hoses.
And in your case, the problem is probably dirty injectors or the throttle body itself.
So I would put the seafoam in the gas tank, but also check the throttle body to see if it is gummed up. You can use spray carb cleaner if it needs to be cleaned.

Apr 15, 2013 | 2001 Mitsubishi Montero Sport 4WD

1 Answer

What to do about vacuum advance on distribuitor , what to do wiyh all vacuum hoses that are appaerently abandoned?


Hi there .
Well vac hose comes from distributor to inlet manifold so run a small hose to that ,
Another is for heater /aircon
A bigger one for the vacuum to brakbooster

Jun 13, 2011 | Datsun 210 Cars & Trucks

3 Answers

Just replace lower intake manifold & gaskets on a


check all vacumn lines and make sure they are all properly hooked up and none are pinched or cracked. i also had i similar problem on a 96 blazer also with the 4.3 and ended up being the throttle cable somehow got frayed from how it had been set aside and was getting caught up at the cable end could be another option for you

May 05, 2011 | 1999 GMC Jimmy

1 Answer

How to replace an intake manifold gasket on a 1996 gmc jimmy


Hello,

Here is a detailed summary on the procedure of how to replace the intake manifold gasket on a 1996 gmc jimmy;
REMOVING THE UPPER INTAKE MANIFOLD(PLENUM)
STEP 1 Disconnect Battery (may not be absolutely necessary, but a good practice to avoid shorting a positive wire to ground).


STEP 2 Remove serpentine belt.

STEP 3 Drain the coolant.

STEP 4 Remove air cleaner ducting and disconnect wires.

STEP 5 Disconnect throttle linkage and bracket.

STEP 6 Disconnect cruise control cable.

STEP 7 Remove brake booster vacuum hose at manifold.

STEP 8 Remove PCV hose.

STEP 9 Remove ignition coil and bracket.

STEP 1O Remove purge solenoid and bracket.

STEP 11 Relieve fuel pressure at test port.

STEP 12 Remove fuel lines and bracket.

STEP 13 Remove upper intake manifold.

REMOVING THE LOWER INTAKE MANIFOLD
STEP 1 Remove the distributor and label the spark plug wires.

STEP 2 Remove heater hoses and bypass hose.

STEP 3 Remove upper radiator hose.


STEP 4 Remove EGR valve?

STEP 5 Remove sensors and bracket on right side.

STEP 6 Remove EGR tube, clamp and bolt.

STEP 7 Remove PCV valve (and replace).

STEP 8 Unbolt A/C compressor and move it aside.

STEP 9 Loosen compressor bracket and slide forward, but do not remove it.

STEP 10 Remove alternator bracket bolt (or remove alternator and set aside)

STEP 11 Unplug all vacuum lines from intake manifold.


STEP 12 Unplug all electrical connectors from manifold.

STEP 13 Take note of the intake manifold bolts and mark the location of the bolts.


STEP 14 Remove intake manifold bolts, and manifold.

STEP 15 Clean mating surfaces

THE MAIN INSTALLATION
STEP1 Set the new gaskets in place and apply silicone to flat areas on front and rear of engine block.

STEP2 Apply thread locking compound to manifold bolts.

STEP 3 Install the manifold and tighten bolts to 35 ft-lbs, in proper sequence.

STEP4 Install the distributor.

STEP5 Install the upper intake manifold.



The remaining installation procedures are basically the reverse of removal.


Have a nice day.

Dec 04, 2010 | 1996 GMC Jimmy

1 Answer

1998 dodge Ram 1500 4X4. The heater/AC blows out of defrost vents only, I am told this most likely a vacuum line, If this is true where is the vacuum line located.


In the engine compartment, locate black vacuum hose that runs from brake booster check valve to intake manifold, there will be a small vacuum hose attached to check valve at the power brake booster check valve. This is the vacuum line going to the heater control unit,check the hose all the way to the firewall, repair any leaks you find. And that should take care of your problem.......GOOD LUCK

Dec 03, 2010 | 1998 Dodge Ram 1500 4WD

1 Answer

1999 mazda 626 4cyl runs rough at idle , engine dies at idle. check engine light on fault code 171 looked for vacum leak none found. replaced MAF sessor no help. any ideas


You may have to dig deeper for a vacuum leak. It's possibly the intake manifold gasket. Try spraying some starting fluid around the intake manifold. Also try disconnecting the brake booster and plugging that hose, the diaphram in the booster could be ruptured, causing a vacuum leak. Check the PCV valve and hose too.

Mar 05, 2010 | Mazda 626 Cars & Trucks

2 Answers

P2004


intake manifold runner stuck open. 2008 dodge avenger 2.4 how can i fix it....

Dec 13, 2009 | 2008 Dodge Avenger

2 Answers

Vacuum leak


mine is doing the same, it's your pcv receptor on the manifold. that hard plastic cover is actually part of the intake itself, if it "came off" it would cut your intake in half. that seem seals the two halfs together. you gotta pull the whole intake off and replace it... or jimmy rig it.

Feb 23, 2009 | 2005 Chevrolet Colorado

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