Question about 2003 Jeep Grand Cherokee

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How do you remove the spark plug tubes to get at theplugs out,is their a special tool,it seems like something is holding them

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There are special tools for this but usually not needed as the tube is usually only stuck on from heat and twisting while pulling will get it off.

Posted on Aug 04, 2010


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Toyota camry 4cyl model 1996 oil leaking in 1 spark plug only what is the solution...

well there are two options., your valve cover grbomets for spark plug tubes are bad,specificly #1 or spark plug tube has to be remove and reseal, while doing this if not have acces to an special removal tool you need to remove valve cover, take this has an oportunity to replace valve cover gasket and all gromets(spark plug tube 4, and vlebe 8 small that look like a washers on each bolt) the tubes are treat in remove with locking plyers clean treaths on a wire wheel apply black silicone and reinstall.

Jan 10, 2013 | 1998 Toyota Camry

1 Answer

How to change spark plug, can not get spark plug cover off. How did i get the screw out to take of the cover. Do I need a special tool

Tools Required or used to assist:

-1/4" ratchet
-1/2" ratchet
-Long extension
-Short extension
-3/4" (I believe, the normal sized one, not the huge one) spark plug socket
-Needle Nose pliers
-Flat head screw driver
-Adjustable pliers
-8mm socket
-10mm socket
-12mm socket
-#5 Hex Wrench
-12mm wrench with closed end on one side
-Spark plug gap tool with wire gap checker
1. Buy replacement spark plugs. I bought Bosch Platinum+2 plugs for about $4/apiece from an online parts store, but from what I've read, the Platinum+4 are much better. They provide much more complete ignition and offer a noticeable improvement in mileage. One anecdote I heard was a friend of a friend who went from 20mpg to 24mpg on his BMW 3-series. The platinum+4 are only $1 more, so the possible performance improvement is well worth it.

2. Get your tools.

3. Remove the engine vanity cover by removing the three bolts near the base (front) of the engine. You'll need a hex wrench to get these out. See the picture below for location. Once the screws are out, rotate the lexus logo 90? and the cover should come off pretty easily.

4. Practice removing one of the easier spark plugs in the front.

5. First, disconnect the electrical connector from the spark plug tube head by pressing the end with your thumb and using a flat-head screwdriver to pry the connector off. Remove the spark plug tube screw using a socket wrench or equivalent. The tube should now slide out. See the picture below for reference. That was practice, now put it back in and replace the screw holding it in place.

6. Clean the area around each spark plug tube using a hand towel, pressurized air canister, or both. This includes the spark plugs behind the intake manifold. This will be tough because you will have to work by hand, but it is important.

7. Start by removing the most difficult spark plugs - in this case, the back ones. It is better to do the easy ones last, in case - for some reason - you give up or can't get the back plugs out. The back plugs are located behind the intake manifold (see picture below). You'll have to get to them through the opening indicated by the '''blue arrow. You can make this more accessible by removing what I think is the cruise control bracket. Loosen the nut indicated by the '''yellow arrow and remove the bolt indicated by the '''red arrow. Warning: these might be very tight.'''''''''

8. Repeat step 5 starting with the rear right spark plug (rear right when facing the front of the car), followed by the rear center, then rear left. When removing the spark plug, be sure not to let any dirt or debris fall into the engine. It could cause sever damage. The best thing to do is to remove the old spark plug, briefly inspect it, and immediately begin installing the new spark plug.

In case of a problem or clarification or my solution was insufficient, don't hesitate to post me a reply.

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May 30, 2011 | Lexus ES 300 Cars & Trucks

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What do you do when you break off the of theplug in the head?

You need a special tool purchased online or from a ford dealer. What you must do is break out the porcelan and then use this special tool to tap the plug and then thread in the puller to pull the plug tip out. Its a very precious procedure and must be done correct or the head will have to be removed.

Oct 05, 2010 | 2004 Ford F150

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1981 CJ7 cranks but wont start

You need fuel,air and a spark for your motor to run.First determine if you have a spark or fuel,this will half yourproblem,if there is no spark then its an ignition fault and if the plugs are not getting wet then its a fuel problem.Start from the plugs and work back keep me posted ok.Check for spark first just remove a plug and fit it on the lead hold the plus to earth[with an insulated pliers to prevent a shock]get a buddy to swing her over and observe for a spark at theplug contacts.

Mar 07, 2010 | 1983 Jeep CJ7

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Where are the spark plugs in the 2006 ford expedition

The spark plugs are located below the 'coil pack' in a hollow tube in the head. You must remove the spark coil retaining screw to access the removal of the soark coil. The reoval with expose the spark plug at the bottom of the hollow tube in the head. The total spark coil is about 6-7" long and when it comes out that is when you will see the spark plug at the bottom of that tube. It sounds difficult to find but once you know it is easy. There is no coil wire(typical spark plug wire) attached to the spark coil. It is fed by a special connector on the side of the spark coil. Look on the side that has the least number of hoses and equipment in the way. Find the top of the spark coil (about 1-3/4-2" in dia) with a wire connected on the side. There is a single small metric bolt holding the spark coil in place. It will not come out until that screw is removed. I hope that this helps.

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2 Answers

How to replace sparl plugs on a Jeep Cherokee?

Hello, I hope this info helps...(subytech1)...REMOVAL
In this engine, each individual spark plug is located under each ignition coil.

  1. Prior to removing spark plug, spray compressed air around base ofignition coil at cylinder head. This will help prevent foreign materialfrom entering combustion chamber.
  2. On this engine each individual ignition coil must be removedto gain access to each spark plug. Refer to Ignition CoilRemoval/Installation.
  3. Check condition of coil O-ring and replace as necessary.
  1. Inspect spark plug condition. Refer to Spark Plug Conditions.
Theplugs may be cleaned using commercially available spark plug cleaningequipment. After cleaning, file center electrode flat with a smallpoint file or jewelers file before adjusting gap.

CAUTION: Never use a motorized wire wheel brush to clean sparkplugs. Metallic deposits will remain on spark plug insulator and willcause plug misfire.


Setting Spark Plug Gap - Typical
Check spark plug gap with a gap gauge tool. If the gap is not correct,adjust it by bending ground electrode. Never attempt to adjust gap bybending center electrode.


CAUTION: This engine is equipped with copper core groundelectrode spark plugs. They must be replaced with the same type/numberspark plug as the original. If another spark plug is substituted,pre-ignition will result.

Special care should be taken when installing spark plugs into cylinderhead spark plug wells. Be sure plugs do not drop into plug wells asground straps may be bent resulting in a change in plug gap, orelectrodes can be damaged.

Always tighten spark plugs to specified torque. Over tightening cancause distortion resulting in a change in spark plug gap or a crackedporcelain insulator.

  1. Start spark plug into cylinder head by hand to avoid cross threading.
  2. Tighten spark plugs to 27 Nm (20 ft. lbs.) torque.
  3. Before installing coil(s), check condition of coil O-ring andreplace as necessary. To aid in coil installation, apply silicone tocoil O-ring.
  4. Install ignition coil(s). Refer to Ignition Coil Removal/Installation.

Aug 07, 2009 | 2000 Jeep Grand Cherokee

3 Answers

Replacing old spark plugs and spark plug wires

You need to remove the coil pack that sits on the spark plugs..Once out then you need the right tool to loosen & remove spark plugs...

Aug 04, 2009 | 2001 Dodge Neon

1 Answer

How do I remove the spark plug wires?

The metal tube stays in the heads. They make a special pair of pliers to remove the spark plug boots from the spark plug. You should replace the wires at the same time as the plugs on those models anyway though.

May 28, 2009 | 2003 Hummer H2

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Can't get metal spark plug covers back in to place

how to take spark plug wires off 2003 yukon xl

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all i did to remove the plug boots is used a long pair of needle nose pliers. Just be careful not to damage the boot. I recommend a twist and up and down movement when pulling and it will pop off. Dont forget to put some plug lube on when you replace the boots on the plugs

Jan 17, 2009 | 2000 Oldsmobile Alero

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