Question about 2003 Nissan Murano

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2003 spark plug removal

What is the easiest way to remove the rear (toward the firewall) 3 plugs?
thanks, Steve

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The easiest way is to remove the dog bone motor mounts on the front engine and tilt the engine forward slitely this will give you enough room to remove the plugs.hope this helps you

Posted on Aug 28, 2008

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I can't find where the spark plugs are located?? where are they located at?? please help :(


The spark plugs are mounted in the heads, which are bolted to the top of the engine block.

The Montana has a transverse (sideways) mounted engine, so 3 of the 6 plugs will be toward the radiator, and the other 3 will toward the firewall.

There is a procedure for getting to the rear 3 plugs that requires unbolting the "dogbone" mounts, and rotating the block toward the front of the vehicle to give better access to the rear plugs.

I'd suggest you go to your local auto parts store and purchase a vehicle specific repair manual (Haynes #38036) (Section1-20) which contains detailed instructions on how to accomplish this task.

It's not all that difficult, but be patient!

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#2-4-6 are left to right on rear bank. #1-3-5 are left to right on the front. If you are going to change the plugs they come gapped at .042". Use magnetic sockets (8 mm, 10mm) with a 10" extension.
You can make life easier by removing the Purge Control Valve to make access to #6 (two 12mm nuts).

The coils have green sliders that you push to release the coil connectors. Then unbolt the the coils, pull up and out; Walla!!! There are the plugs.

Dec 11, 2009 | 2001 Nissan Maxima

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Depending on the tightness of the socket fit and the engine, carefully pull the spark plug out of the bore


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Hope this helps some...best that I can find!

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How do you get to the set of spark plugs along the fire wall on a 3.4L 2005 Buick Rendezvous


Obviously, the front three are fairly easy to reach. The rear three are the real problem. The easiest way to do the rear three is to jack the front of the vehicle up, crawl underneath until you can see the back of the engine from the ground, get real comfortable, making sure the engine and exhaust are cooled down, reach your arm up and pull the boots, very carefully.... then replace the spark plugs. You will not be able to see the plugs themselves, but this seems to be the easiest way to change them. Make sure you have a swivel spark plug socket and extensions and replace the spark plugs with platinum plugs so you can get another 100,000 miles and make sure you have anti seize so you can remove the plugs again in the future. The golden rule is that the engine has platinum plugs in there now and there good for 100,000 mile, if there are no misfire try not to change them unless you think your close to the end of the spark plug life or the check engine light came one to indicate that there are misfires. Good luck and hope this helps. 

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Changing rear (3) spark plugs


carefully remove the coil pack with a deep 10mm socket and unplug the 2 connections on the pass side of the coil and just lean it over to the driver side of the car and you will have access to the rear of firewall.

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1 Answer

Changing spark plugs


There is 1 screw on top of each spark plug cylinder. Just remove the screw (I hope you removed the resonator first). The 2 plugs back towards the firewall are a little tougher to reach, just ensure when you put the new plugs in, that you do not crossthread them!

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