Question about 2004 Toyota RAV4

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How do I change the spark plugs on my 2004 Toyota RAV4

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  • Master
  • 578 Answers

Take cover off front of engine and u see the wires remove the no -10-bolts and take out plugs

Posted on Jul 01, 2009

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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: Toyota 4 runner spark plugs

Not a big deal. Realize that the plugs from the factory are Iridium and are good for 100K miles. Assemble the following:

6 Denso IKH20 Iridium Plugs pre-set to .044 gap ($10 each) High Temperature anti-seize (crayon type is $3 at NAPA)
3/8 inch drive ratchet
5/8 inch spark plug socket
4-inch extension
10-inch extension
10 mm socket
12 mm socket
torque wrench (or make real sure you don't over tighten the plugs) new air filter (optional)

Start on the passenger side. Disconnect the air induction/filter assembly by un-snapping the two spring latches on the black air intake box closest to the front of the car. Once these are un-latched, fold the air intake assembly out of the way. Now would also be a good time to replace the air filter if you have not done so lately. With the air intake assembly out of the way, you now have clear access to the top of the valve cover. Along either side on top of the valve cover you will notice three black modules each held in place with one 10mm bolt with a small wiring harness connector attached. These are the coils (one per plug), and the spark plugs are located underneath. Disconnect the wiring harness connector and remove the 10mm bolt. Pull straight up on the coil and it should disconnect from the spark plug. Look down the hole and you can see the top of the spark plug 5 inches down. Using a 5/8 inch spark plug socket with a rubber 'holder' inside the socket to hold the plug, remove each plug. I had to use a 10-inch ratchet extension to provide sufficient clearance. I know it sounds goofy using a standard size socket on a metric car, but it is what it is. I make sure I get each coil back to its original location, but it really does not matter as they are all the same. Since the heads are aluminum and the spark plugs are stainless steel or monel/nickel, you have to be careful not to ruin the threads on the heads. I ONLY remove the plugs when the engine is cold. Apply some high temperature anti-seize only to the threads on the new plugs and install to 18ft-lbs of torque. Slip the coil back in place, attach the connector, install and tighten the bolt and you are done with that plug. Repeat for each plug. Re-install the air intake assembly and snap down the two latches and you are through with that side.

The driver's side is more difficult as there are things in the way. I had to remove one bracket (held in place with 2 12mm bolts) and disconnect a rubber hose underneath that bracket (it just slipped off with little effort - no tools required) in order to provide sufficient room to remove the coils. This is not as bad as it sounds, and I had both removed in under 2 minutes. Now you have access to the coils and plugs and can repeat the process. Go slow, take your time, don't get anti-seize on the plug firing tip, use a torque wrench if you have access to one. Replace the hose and the bracket and you are done.

Total time is 1 hour if you are not mechanically inclined, 30 minutes if you are.

Posted on Jul 20, 2009

litoshop
  • 298 Answers

SOURCE: I'm changing the spark plugs on my 2004 Toyota

first a spark plug on you vehical are design to go for 100000 miles and 2) is more or less the same persijer gap the plugs and install

Posted on Jul 11, 2009

  • 1 Answer

SOURCE: changing spark plugs in a 2004 toyota 4runner

check www.4x4wire.com i was just there looking for the same thing and found step by step directions on how to do it

Posted on Apr 19, 2009

  • 104 Answers

SOURCE: have a 2006 Toyota Rav4, want to change the spark

Go to the dealer and get the recommended plugs. The litttle boxes are actually coil packs; carefully disconnect electrical connector, remove bolt(s), twist coil pack left and right and pull it off the plug. Unscrew plug with proper socket then remove. You may need a piece of vacuum hose to install the new ones. Put hose snugly over the plug and carefully start to thread it in. Also put on a little anti sieze compound on the plug's threading before installation. Ask for any other help.

Posted on Jun 12, 2009

  • 1 Answer

SOURCE: i have a code P2238 toyota rav4 2004

hi i have recently bought a rav 4 04 plate xt4 model the engine malfunction light keeps coming on and they gave me a code PO420 which is cat efficiency but the emmisions test came back fine would appreciate any advice as replacing this part is very expensive. thanks

Posted on Apr 15, 2010

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