Question about 1993 Mercedes-Benz 190

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Spark plug lead removal.

Unwilling to exert too much manual force to remove from spark plugs,what is the procedure, or is it some cunning german engineering?
Ta

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  • manutahi Jan 23, 2009

    good work. your cunning american needle nosed vice grips sorted the drama. Just add a bit of silicone before refit.

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  • Master
  • 1,990 Answers

You just need to work it Back and Forth while Pulling. When the Plugs get hot and there is no Lubricant inside the Boot, The wire will Seal very tight to the Plug.

Posted on Jan 19, 2009

  • Travis Humphries
    Travis Humphries Jan 23, 2009

    You got it! Thanks for the Good Rating also!!!!

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Remove the lead the spark plug, and then remove the spark plug, connect the spark plug back to the lead. Remove the positive and negative wires from the coil. Replace them with a negative and positive direct to the battery, but don't connect the positive to the coil. Hold the spark plug to a grounded part of the car, touch the positive lead to the coil, when you RELEASE the wire from the coil, you get a spark.

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How to change spark plugs


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HOW TO REPLACE 2003 YUKON GMC SPARK PLUGS


Remove the wire from the top of the spark plug by twisting and pulling on the boot part. Then you will need a 14 milimeter plug scocket wrench, turn the wrench counter-clockwise to remove. You install them by doing the steps in reverse. A note of caution: the tightening force is 15 foot pounds of torque whitch isn't a lot of force.
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How do I change spark plugs in a 2006 Daewoo Kalos? There are grommets around the plug leads which will not come out without using excessive force [which I am reluctant to do]. Note that this is the same...


the grommets seal the lead from any water getting in and around the plug and creating a miss in the engine, you will have to use a little force to move them as they are a reasonably snug fit.
Once the lead is removed use compressed air to blow out any dirt that may have entered the area around the plug as this will fall into the cylinder when the plug is removed. you will have to use a spark plug socket with the rubber in the top to grip the plug as it is difficult to get the plug out unless you have long nosed pliers as they are down in the hole

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I can only find three spark plugs on my freelander v6 engin


Remove
  1. Disconnect battery earth lead.
  2. Remove engine acoustic cover.
  1. RH bank only: Release locking clips and disconnect multiplugs from plug top coils.
  2. RH bank only: Remove 6 bolts securing plug top coils to RH camshaft cover and remove coils.
  1. LH bank only: Noting their fitted positions, disconnect ht leads.
  2. Using a 16 mm plug socket, remove spark plugs from both cylinder heads.
Refit
  1. Set gap of each new spark plug to 1.00 mm .
  2. Fit spark plugs and tighten to 25 Nm (18 lbf.ft) .
  3. LH bank only: Connect ht leads.
  4. RH bank only: Fit plug top coils to spark plugs.
  5. RH bank only: Fit bolts securing plug top coils to RH camshaft cover and tighten to 9 Nm (6.5 lbf.ft) .
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Changing spark plugs on my 96 ford contour


A set of spark plugs usually requires replacement after about 20,000–30,000 miles (32,000–48,000 km), depending on your style of driving. In normal operation plug gap increases about 0.001 in. (0.025mm) for every 2500 miles (4000 km). As the gap increases, the plug's voltage requirement also increases. It requires a greater voltage to jump the wider gap and about two to three times as much voltage to fire the plug at high speeds than at idle. The improved air/fuel ratio control of modern fuel injection, combined with the higher voltage output of modern ignition systems, will often allow an engine to run significantly longer on a set of standard spark plugs, but keep in mind that efficiency will drop as the gap widens (along with fuel economy and power). When you're removing spark plugs, work on one at a time. Don't start by removing the plug wires all at once, because, unless you number them, they may become mixed up. Take a minute before you begin and number the wires with tape.
  1. Disconnect the negative battery cable.
  2. If the vehicle has been run recently, allow the engine to thoroughly cool.
  3. Remove the spark plug cover(s), if equipped.
  4. On the 2.5L engine remove the ignition coil assembly from the rear valve cover. See Section 2 for the procedure. Remove the water pump pulley cover.
  5. Carefully twist the spark plug wire boot to loosen it, then pull upward and remove the boot from the plug. Be sure to pull on the boot and not on the wire, otherwise the connector located inside the boot may become separated.
  6. Using compressed air, blow any water or debris from the spark plug well to assure that no harmful contaminants are allowed to enter the combustion chamber when the spark plug is removed. If compressed air is not available, use a vacuum to clean the area. NOTE: Remove the spark plugs when the engine is cold, if possible, to prevent damage to the threads. If removal of the plugs is difficult, apply a few drops of penetrating oil or silicone spray to the area around the base of the plug, and allow it a few minutes to work.
  7. Using a spark plug socket that is equipped with a rubber insert to properly hold the plug, turn the spark plug counterclockwise to loosen and remove the spark plug from the bore. WARNING
    Be sure not to use a flexible extension on the socket. Use of a flexible extension may allow a shear force to be applied to the plug. A shear force could break the plug off in the cylinder head, leading to costly and frustrating repairs.
  8. Remove each plug and inspect the plug even if you are replacing them with new ones. An inspection can reveal a great deal of information on the overall condition of an engine. Use the condition charts in this section as a guide. To install:
  9. Inspect the spark plug boot for tears or damage. If a damaged boot is found, the spark plug wire must be replaced.
  10. Using a wire feeler gauge, check and adjust the spark plug gap. When using a gauge, the proper size should pass between the electrodes with a slight drag. The next larger size should not be able to pass while the next smaller size should pass freely.
  11. Carefully thread the plug into the bore by hand. A handy tool to use to install spark plugs are the flexible rubber installation tools that are available at most auto parts stores, in place of this tool an old plug wire boot or a piece of fuel line long enough to fit to the plug hole is a good alternative. If resistance is felt before the plug is almost completely threaded, back the plug out and begin threading again.
  12. Carefully tighten the spark plug. If the plug you are installing is equipped with a crush washer, seat the plug, then tighten about 1⁄4 turn to crush the washer. If you are installing a tapered seat plug, tighten the plug to specifications provided by the vehicle or plug manufacturer.
  13. Apply a small amount of silicone dielectric compound to the end of the spark plug lead or inside the spark plug boot to prevent sticking, then install the boot to the spark plug and push until it clicks into place. The click may be felt or heard, then gently pull back on the boot to assure proper contact.
  14. On the 2.5L engine, install the coil pack and the water pump pulley.
  15. Install the spark plug cover(s), if removed.
  16. Connect the negative battery cable.

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Change spark plug wires on 04 kia sedona


REMOVAL OF THE PLUGS:

Do not attempt any maintenance on spark plug if engine is hot. 
1. Disconnect negative battery terminal. 
2. Carefully remove high-tension leads. 
3. Use compressed air to blow any dirt or debris from around spark plug hole. 
4. Check that spark plug fits squarely in spark plug socket and remove spark plug.

Raise a vehicle and install SST(OK552 131 001) in order to replace cylinder 2, 4, 6 spark plug. 

INSTALLATION:

1. Install spark plug into cylinder head.

Tightening torque : 18~22lb-ft (25~30N·m, 2.5~3.0kg-m)

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Hope this helps and simple to understand. Good luck

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How do i change the spark plugs on 2003 kia sedona van


Hey bobnatboys,
The back 3 spark plugs are a pain to get to.
But I have 2 methods, which perhaps you can put 2 an 2 together to make it easier for yourself.
firstly make sure you buy new ignition leads because they can break when removing them from the spark plugs. The front (cylinders 1, 3, 5) are easy to get to with 3/8" drive sparl plug socket, an extension bar and ratchet. As for the back 3, put the vehicle up on stands at the front, grab the spark plug socket, a short extension bar and the rachet, crawl underneath the front of the car on your back and start swearing. 2 hands are required. First off, remove the plug leads by a small twist then pull. This is where the plug lead might break. Once the ignition leads are out of the way (yes, even though they seem to come up hard against the firewall - by manipulating them they can be removed), drop the plug socket down the hole onto the spark plug, feed the short extension bar into the hole and click it onto the socket, then feed the ratchet up to the extension bar (2 hands) and proceed to loosen/undo the spark plug. If you don't have the socket with the rubber piece in the end of it - to grip onto the plug, then you will need a thin magnet to drag them out with. Reverse the process for installation.
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1 Answer

1999 Dodge grand Caravan Tune up


i hope this helps more. its hard to explain these things with out being at the car. but i hope this helps. it pretty easy just pull one wire off, unscrew plug from moter, replace with new one, replace with new wire. and repeat 4 or 6 times depending on what engine you have. but write back with anymore specific questions you have.

When you're removing spark plugs, work on one at a time. Don't start by removing the plug wires all at once, because, unless you number them, they may become mixed up. Take a minute before you begin and number the wires with tape.
  1. Disconnect the negative battery cable, and if the vehicle has been run recently, allow the engine to thoroughly cool.
When removing the spark plugs on the V-6 engine only on the firewall side, it may be necessary to remove the windshield wiper/motor module assembly from the vehicle. This will allow more room to work between the engine and the engine compartment firewall. Refer to for removal procedures.
0900c1528003c1aa.jpgFig. 3: Hold the spark plug boot firmly, while giving it a slight 1/2 twist in each direction before pulling it off of the spark plug. remenber do this one at a time. replace the whole wire with new one.
  1. On V-6 models only, remove the windshield wiper/motor module assembly from the vehicle for access to the spark plugs on the firewall side.
  2. Carefully twist the spark plug wire boot to loosen it, then pull upward and remove the boot from the plug. Be sure to pull on the boot and not on the wire, otherwise the connector located inside the boot may become separated.
  3. Using compressed air, blow any water or debris from the spark plug well to assure that no harmful contaminants are allowed to enter the combustion chamber when the spark plug is removed. If compressed air is not available, use a rag or a brush to clean the area.
0900c1528003c1ab.jpgFig. 4: Once all dirt is removed from around the spark plug, carefully loosen and remove the plug 0900c1528003c1ac.jpgFig. 5: Pull the used spark plug out of the cylinder head once it is completely loosened Remove the spark plugs when the engine is cold, if possible, to prevent damage to the threads. If removal of the plugs is difficult, apply a few drops of penetrating oil(WD40) or silicone spray to the area around the base of the plug, and allow it a few minutes to work.
  1. Using a spark plug socket that is equipped with a rubber insert to properly hold the plug, turn the spark plug counterclockwise to loosen and remove the spark plug from the bore.
WARNING Be sure not to use a flexible extension on the socket. Use of a flexible extension may allow a shear force to be applied to the plug. A shear force could break the plug off in the cylinder head, leading to costly and frustrating repairs.To install:
  1. Inspect the spark plug boot for tears or damage. If a damaged boot is found, the spark plug wire must be replaced.
  2. Using a wire feeler gauge, check and adjust the spark plug gap. When using a gauge, the proper size should pass between the electrodes with a slight drag. The next larger size should not be able to pass while the next smaller size should pass freely.
  3. Carefully thread the plug into the bore by hand. If resistance is felt before the plug is almost completely threaded, back the plug out and begin threading again. In small, hard to reach areas, an old spark plug wire and boot could be used as a threading tool. The boot will hold the plug while you twist the end of the wire and the wire is supple enough to twist before it would allow the plug to crossthread.
WARNING Do not use the spark plug socket to thread the plugs. Always carefully thread the plug by hand or using an old plug wire to prevent the possibility of crossthreading and damaging the cylinder head bore.
  1. Carefully tighten the spark plug. If the plug you are installing is equipped with a crush washer, seat the plug, then tighten about 1/4 turn to crush the washer. If you are installing a tapered seat plug, tighten the plug to specifications provided by the vehicle or plug manufacturer.
  2. Apply a small amount of silicone dielectric compound to the end of the spark plug lead or inside the spark plug boot to prevent sticking, then install the boot to the spark plug and push until it clicks into place. The click may be felt or heard, then gently pull back on the boot to assure proper contact.

Jan 03, 2009 | 1999 Dodge Grand Caravan

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