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How do I get the intake plenum off to replace the rear spark plugs on the 2.7 V-6 engine

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You can purchase a Haynes or Chilton for your vehicle from your local auto parts store. It will have the proper procedure. The manual usually costs around $30.

Posted on Sep 28, 2009

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How to change the spark plugs on a 1992 camry v6


These plugs are long life platinum tip which don't have to be changed often. Toyota felt justified in hiding them under the intake plenum, which it is best to take off the engine. It isn't a big job to do so, although you will need new gaskets. See p14 here

http://www.turboninjas.com/camry/eg2.pdf

You can change the plugs without this by taking the bolt out of the centre rear lower engine mount, and jacking up the engine 2-3 cm (no more) at the rear, to get some clearance, but it is still a hell of a job.

Feb 13, 2012 | Cars & Trucks

1 Answer

How do you change rear spark plugs in caravan


If you have the 3.3 or 3.8 engine, the easiest way to change the rear sparkplugs is to remove the upper intake plenum. Do yourself a favor and replace the plug wires while it's apart, and stuff paper towels in the intake ports in case you drop something.

Sep 04, 2011 | 1996 Dodge Caravan

1 Answer

Do i have to take the intake off to change the spark plugs


You did not mention which engine you have, but YES, it is necessary to remove the upper intake plenum to replace the spark plugs on the rear bank of most Toyota V-6 Engines. This is why many tune-ups are as expensive as they are...The old days of getting a 6 Cyl tune-up for $59.99 are long gone...

Feb 21, 2011 | 2004 Toyota Solara

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

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

1 Answer

2004 Hyundai Sonata 6 cyl


Depends on how MECHANICALLY INCLINED you are. Have you done any repair work on vehicle engines before? It's not that difficult to do if you know how to turn a wrench/ratchet and THINK about what you are doing and what you are dealing with... .attention to details. Ya think? On the 04 2.7 lit V6 Sonata, there are two nuts and 5 bolts (two long and three short) which hold the plenum to the RISER manifold. There are an additional 3 to 4 bolts at the rear (firewall side) which support the plenum (they're all 12mm bolts). You'll need to remove the intake air hose to lift the plenum out of the way to access the 3 plugs on the RH side (rear) of the engine. You'll want to replace the plenum gasket when you do this. When you reinstall the plenum, the tightening torque is 11-14 lb.ft. Do not tighten the REAR support bolts until after you torque the surge tank bolts to the intake (riser) manifold.
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Jun 13, 2009 | Hyundai Motor 2004 Sonata

3 Answers

Spark plugs


you must take off the in-take housing top of engine ( plastic) 5bolts,take off bolts at throttle body3bolts,take off all hoses in rear of plastic throttle body 2 bolts,take your time not to brake plastic hoses in rear, and make sure you have gaskets inside of plastic intake once you take off. Pull intake off slow, and the spark plugs and wires are seen. You need a spark plug wrench to take out spk plugs, do one at a time. Replacement is the reverse........runjoe

Feb 19, 2009 | 2002 Chrysler PT Cruiser

3 Answers

Spark plugs


The best way is from under the vehicle on a lift, or you can jack up the vehicle and support it with jack stands. You can access the spark plugs between the fire wall and motor from under the vehicle..

Nov 25, 2008 | 2000 Dodge Caravan

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