Question about 1994 GMC Jimmy

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Vacumm hose changing sparkplugs, a v.hose was in the way. i pulled it off and now cant find it to reconnect

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There is usually a vacuum hose diagram decal under the hood.

Posted on Nov 21, 2013

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2006 750li passenger defrost not working


BMW defroster works on vacumm so if you have air blowing from the dash vents when the seclector is on A/C and when on bi-leval the air comes out of the dash vents and the floor vents then you have a vacumm leak most likely a vacumm hose is off, Or due to the age of the car the engine heat causes the hoses to crack and break. the BMW V-8 engine has a problem with the rubber holder for the PCV valves cracking and leaking that causes very low vacumm pressure also check all of the vacumm lines that go through the fire wall most likely your problem is just a disconnected or broken vacumm hose or the PCV valve holders.

Dec 14, 2014 | 2006 BMW 750Li

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No power uphills


Have you checked base fuel pressure with a gauge ?

Feb 23, 2014 | 1993 Nissan Pickup

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I have 93 pathfinder. it started to run a lil ruff so i changed sparkplugs .. now its barely ideling n dieing when i come to a stop.. i noticed a vacuum hose is off n i cant see where it goes . its about 8...


If its a vac hose it will have vac in it when the engine is running, or you will have a pipe on the intake pulling air where the hose is supposed to connect.
You may be able to look at a similar vehicle to figure out where the hose goes.

Feb 11, 2014 | 1993 Nissan Pathfinder

2 Answers

I would like to know to change the sparkplugs, if i need to take motormounts off and pull the motor upwards to get to the back plugs. thank you!!!!


yes all front wheel drive 6 and 8 cylinders u must remove rear mount bolt loosen front mount bolt to change plugs pull engine forward and secure bolt in hole to keep elevated to change plugs

Jun 20, 2011 | Pontiac Grand Am Cars & Trucks

1 Answer

CHANGING SPARK PLUGS 2002 TACOMA 4 CYLINDER


Starting on the pasenger side. Remove the intake tube running from the air filter box to the throttle body and disconnect enough tubes to swing it out of the way. The sparkplugs are down below the small coils you see at the end of the sparkplug wires. With a 10mm socket remove bolt holding the coil, disconnect the plug at the top of the coil by squeezing it at the top and pulling straight off the coils.

Pull the coil straight up. there will be about a 6 inch tube that connects to the top of the spark plug when inserted. You will need a 5/8 sparkplug socket and about 2 feet of extensions to make it easy on yourself. Insert the spark plug socket and extensions down the hole you removed the coils with the tube from and remove and replace the sparkplug. Reinstall your coil onto the engine and move to the next one until you have replaced all the plugs on the passenger side.

Make sure you reconnect all the plugs to the coils, hoses to the intake tube and reinstall your intake tube. The drivers side is a little easier. Pop the spark plug wires from their plastic holders to free enough slack to be able to pull your sparkplug wires out of the block. For the plug closest to the front of the engine you will need to remove the 10mm bolt holding the ground wires to the intake manifold to be able to free enough space for removing the plug.

For the middle plug you will need to remove the 10mm bolt holding the bracket that is holding one of the throttle cables at the top of the intake manifold. For the rear plug just pop the flexible hose that runs behind the black metal bracket straight up out of its clip and push it out of the way along with any other hoses that run through this area. Pull the spark plug wire from its place by pulling straight up just like with the coils. there will also be about a 6 inch tube running down to the spark plug at the bottom of these plugs.

Remove and replace the plugs same as before. make sure you reconnect all your hoses and wires to their previous locations. Doublecheck to make sure you reconnect all the ground wires/ brackets. Also you will need to use " twin ground electrode plugs" (see sticker on front of your plastic timing belt cover? to the right of the radiator hose).

May 27, 2010 | 2002 Toyota Tacoma

2 Answers

Hello i change the blower change thermostatic clean anterfrezze an still blowing out cold air what can be wrong an change water pump


there's a vacumm operated valve on the heater hoses under the hood if it's worn out or the vacumm hose is disconected you won't get heat

Jan 11, 2010 | 1995 Cadillac DeVille

1 Answer

Cant change sparkplug due to a piece of thin metal around plug


change the plugs from under the car, that is how the manual tells u to do it.

Jun 18, 2009 | 2004 Ford Freestyle

1 Answer

Air conditioning not working. Blowing cool air in the back and hot air in the front.


Is there air blowing from the front vents? or can you hear the vacumm change when you change it from heat to cool..... I think it might be a vacumm problem... its a 1997 so the controller vacumm hoses may be cracking.. let us know

Jun 01, 2009 | 1997 Chevrolet Suburban

1 Answer

2000 ford expediton a/c is blowing air but not through front vent


the problem is a vacumm leak , the control panel works with vacumm from engine supplied by small hoses and also have an vacumm tank under right front fender , check for disconnected hoses or break, the main vacumm hose is on engine intake manifold, ahh , also check control panel

Apr 25, 2009 | 2000 Ford Expedition

1 Answer

Intermidint cluncking noise from front


That sounds like what may be happening is the "Vacumm Motor" that locks and disconnects the front axle is binding and not engaging all the way. Or possibly the vacumm supply is not sufficient. Trace the vacumm hoses and look for oil contamination or other damage. You may want to hook up a vacumm guage and check the two hoses. One will have vacumm on 4WD engage and the other on 2WD. You should see the same amount both ways.
Make sure that the 4WD engage lite works too. That would be the electrical switch on the front axle. It should turn on a indicator lite on. (I believe all models are equipped with one with that system)
And before you're done you should inspect all the u-joints and drive axle Constant Velocity joints for wear or the presence of rust around the caps. If there is rust around the cap it is probably full of rust instead of grease (bad) It good to check those periodically but those shouldn't be creating you're noise intermittently.
Let me know how that works for you.

Mar 02, 2009 | 1995 Dodge Dakota

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