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I need to take the plenum off to get at the plugs in the back,is there a procedure for that?

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WHEN YOU REPLACE IT THERE IS A TORQUE SEQUENCE! STARTING WITH THE FRONT LEFT CENTER (1), THEN RIGHT LEFT CENTER (2), THEN RIGHT RIGHT CENTER (3), THEN FRONT RIGHT CENTER (4), FRONT LEFT CORNER (5), FRONT RIGHT CORNER (6) RIGHT REAR (7), RIGHT FRONT (8)

Posted on Mar 11, 2011

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1 Answer

Change coil packs under intake manifold in back?


the intake plenum will need to be removed. Not to hard to do. make sure you replace the gaskets before reinstalling the plenum. Also not a bad time to replace the spark plugs as long as you have the plenum off. Autolite or motorcraft spark plugs would be a good choice.

Aug 12, 2013 | 2004 Ford Taurus

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How do you access the rear spark plugs on a 2004 Sante Fe 6cyl?


You have to remove the intake plenum to access the spark plugs. That's the piece that sticks up and completely covers the back side when looking from the front. If you have fairly average car repair skills, it isn't all that hard but does take a lot longer than a normal spark plug change-out. If you remove the plenum and do this job yourself, you MUST replace the intake plenum gasket or you will end up with a bad vacuum leak. I strongly recommend you refer to a maintenance manual if you attempt this procedure. There is a lot of stuff attached to the plenum that has to be removed.

Feb 25, 2011 | 2004 Hyundai Santa Fe

2 Answers

I'm in the process of replacing the thermostat on my 2003 freelander. finally got the coolant drained......that was fun. everything is disconnected and all intake plenum bolts removed( 4 small in the...


You will have to remove the intake manifold (this is the solid large plastic cover that covers the top of the engine when you remove the engine cover). There are many wires and small vacuum hoses to disconnect. Plus.., when re-installing, it is a common problem the manifold cracks if excessive torque is applied to the fastening bolts. And you probably should relpace the intake manifold gasket.You can then remove the thermostat assembly by disconnecting the hoses and loosening the mounting screw.

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The procedure as per service manual is as follows:----

Following the Service Manual instructions, drain the coolant circuit, then remove the return pipe and the short rubber hose connected to the engine main coolant rail (1 clip at the bottom + 1 clip at the top). You remove also the outlet hose (1 clip at the engine outlet spout + 1 clip at the bottom pipe, you need to loosen the pipe mount to remove the hose). Once removed the return pipe you can undo the coolant rail: 2 (tight) bolts below the rail and the oil dipstick bolt holding the thermostat housing. Doing this without the manifold in place is simple, but its not that easy with the manifold on.... once loosened the coolant rail you can remove the thermostat housing. You open it (3 bolts) and replace the old thermostat with new. All 3 gaskets should be replaced, to minimize the risk of leaks. Apply silicone lubricant on the O-rings, then fit housing + coolant rail back in.

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This will help you.Thanks.Helpmech.



Nov 16, 2010 | 2003 Land Rover Freelander

1 Answer

How do i change the back spark plugs at the back as they are covered by the intake


more than likely you will need to remove the upper plenum to change the rear plugs. You didn't list a year, model, or engine but the plenum are pretty self explanatory. Make sure you look for the hidden support brackets on the back of the plenum.

Oct 25, 2010 | Mitsubishi Diamante Cars & Trucks

1 Answer

I have 184,000 on a 2001 Taurus. I want to change the plugs but can only see the three on the front, which are easy to get to. How do you get to the back one? What has to come off? I broke a plug on a Cady...


SEARCH: It is not hard, Many say they can do it without removing the upper Intake or plenum as I will call it but I found removing the plenum takes about 15 minutes at most and made access to the plugs much easier.

First Remove the EGR valve on the front of the plenum right behind the Throttle body. All it takes is a 10MM socket to remove 2 nuts and 2 bolts. Get some new Gaskets for the EGR valve. You can probably get by just removing the 2 upper bolts but I found things are easier if you just get it out of the way.

Then go to the passenger side of the plenum. There is a vacuum switch that you just pull the hoses off and disconnect the electrical wires that go to it. Now you can remove the plenum.

Use an 8MM socket to remove the 8 easily accessed bolts that hold the plenum on. Now you can rotate the plenum up and towards the drivers side to get the clearance for the rear plugs, You don't need much. I believe that the gasket is part of the plenum and it is reusable.

Change the plugs and put it all back together.

Mar 10, 2010 | 2001 Ford Taurus

2 Answers

How do i get the back 3 spark plugs out of the firewall side of the motor?


You have to remove the intake plenum, the plugs are under it...Just take you time and watch what you are doing.. If needed, go to library and look in a repair manual for the vehicle as to how to R&R intake plenum.. Is this a 2.5 liter or 2.7 liter?

The 2.5 liter is the one with the plenum removal necessary...2.7 liter just has the plugs in the rear head but up under the windshield cowl.

2.5 liter, Remove the air plenum on that one to get to the back plugs,and when you do you,ll need to replace the gasket for it,those are hard to get to,use a really good socket because those are close and if the socket slips there's plenty of things to bust a knuckle on ,it takes a while to do those ,but be sure and don't hit the plug on anything when your installing it,that will throw the gap off and it wont run right,take your time with it,good luck.

2.7 liter, you do not have to remove the plenum. If you look under the wiper cowl area on the back head you will see the 3 coils just like on the Front bank. Remove the coils and the plugs are underneath. you will need a spark plug socket, 3 in extension, and a 1 in extension to get these out because of the clearance. Your car is the same as any 2.7 from 2001 until 2006.

Good luck

Dec 01, 2009 | 2006 Dodge Stratus

2 Answers

Gettting the intake plenum off a 02 freelander


My 2002 Land Rover Freelander V6 thermostat crapped out as well and I decided to replace it myself.

The plenum is deceptive, but after 3 hours of looking and trying I finally got it off. Of course there are many hoses and electrical connections that need to be removed, but that's the easy part because you can see them all. The bolts that hold on the plenum are what your worried about and I will now tell you where they are. Read this and you should take about 30min to remove the plenum.

There are a total of 6 bolts to be removed that secure the intake plenum to the intake manifolds.

First remove the 4, 10mm large and obvious bolts at the top of the plenum. Now here is the tricky part, there are 2 bolts that are at the back of the plenum near the fire wall. As you are looking at the intake plenum from the front of the car, they are on the back side of the plenum near the fire wall on the passenger and driver side of the intake plenum.

Both bolts your looking for are 8mm bolts. If you remove a 10mm bolt, your removing the bolts that secure the rear spark plug coils.

The driver side rear intake plenum 8mm bolt is secured to the plenum itself. Fell with your hand about the back of the plenum on the right side for a lone bolt that is in the plenum with a metal tab that goes down to the back of the rear cylinder head. Remove the bolt that is attached to the intake plenum, not on the rear cylinder head

The passenger side one is a bit different. Feel on the back of the intake plenum about the passenger side for a metal support tab that comes down from the intake plenum and secures to the rear cylinder head. Where the support tab attaches to the head is a 8mm bolt that you remove.

Now here come the leap of faith. If you have the 4, 10mm obvious bolts removed and the 2, 8mm from the rear of the plenum removed, and if you can rock the plenum up and down about 2-3 inches,but it still feels like its attached to the intake manifolds in the middle of the engine, then you have removed all the bolts that secure the intake plenum to the engine. This is good.

The intake plenum is now being held on by the rear intake manifold by 3 O-ring gaskets. Push onto the back of the intake plenum near the firewall to expose a gap at the front of the intake plenum at the front intake manifold. Put 2-3 long flat screwdrivers into the gap or a small pry bar, and ever so gently but forcefully, apply prying force as to not damage the mating surface of the aluminum intake manifold, until the intake plenum pops off. It will just POP off.

Now that the intake plenum is popped off, take careful note of all the electrical plugs and hoses as to where they attach. You will not need any tools to disconnect the electrical plugs or hoses. To remove the hoses, push down the red ring with you fingers that the hose goes into and pull on the hose, it should come out very easily. The electrical connectors, push on the metal clip down and pull the connector loose. The electrical connectors only plug into their own plug, so you cant mess them up.

Tools you will need to replace the thermostat;

1. 8mm combo wrench. Make sure its not too long, shorter is better.
2. 10mm socket, shallow. 10mm combo wrench
3. 2-3 flat screwdrivers, for prying off the intake plenum
4. Ratchet wrench
5. 1 foot long worth of socket extensions. 2 6inch extensions will work as well
6. Universal socket joint
7. Angled needle nose pliers make it easier for hose clap removal, but straight needle nose pliers will work
8. Diagonal cutters to cut securing zip ties for the wiring harness

Take you time, once the plenum is off it goes pretty smooth after that. We removed just the forward intake manifold and that was more than enough clearance to remove the thermostat. You do not need to remove the fuel rail or spark plug coils from the manifold but you will need to disconnect the electrical connections to move the intake manifold out of the way.


Take pictures, there's a lot of hoses that go all over the place. The electrical connectors are only long enough to go where their supposed to go.

Then take that UK piece of **** to the dealer and trade it in for anything made in the USA or Japan. Changing a thermostat in any of those will only take 10 min and require 1 tool.

Repair provided by KPCYCLES.com of Honolulu, HI

Jun 24, 2009 | 2002 Land Rover Freelander

2 Answers

How to change spark plugs on 2006 dodge magnum v6


you are going to have to take it to a shop unless yo have the tools and the time to take the covers off that are on the engine then follow the wires from the distributor to the spark plugs and do them one at a time.

Jun 24, 2009 | 2006 Dodge Magnum

2 Answers

Heater blower


your blower resistor is bad

Apr 21, 2009 | 2001 Dodge Durango

1 Answer

1997 Camry Valve Cover Gasket Replacement


Removal of the plenum is pretty straight forward. You will need to replace the plenum gasket after you remove it; the gasket is not reusable. Personally, if I was going to take the trouble to remove the plenum, I would replace the plugs and wires back there, also.
I know, I have a 93 Camry V6, and it is a real pain to do the plugs and wires with the plenum on. There are no secrets or great tips on the plenum removal, just take your time. Remember that there are different size bolts, and where they go. Please get back to me if you need any more info...Hope this helps, and thanks for choosing FixYa to resolve your issue.
The graciousness of a FixYa rating for my assistance would be greatly appreciated.

Dec 12, 2008 | 1997 Toyota Camry

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