I can't tell you the proper way which I believe involves removing several items like the alternator and possibly the intake manifold and then unsecuring the engine and rotating it forward. I can tell you the way I did it. The first time it took me 2 hrs, the 2nd time it me 1.5 hrs so it is a matter of figuring out the little things.
1. Remove the plastic cowl on the top of the engine. Hint, after taking the 3 hex-head screws out the "" emblem screws out. 2. The front 3 spark plus are easy to remove, unplug the coil packs. 3. Unscrew the retaining bolt with a 10mm wrench. 4. Pull the coil pack straight out. 5. Use a spark plug socket and extension and unscrew the spark plugs. Reverse these steps to replace. Note: Plug gap is 44 and I would use irridium plugs. Another hint is to use silicon spray into the coil pack fittings - both the spark plug end and the electrical fitting end. A little silicon into the spark plug socket before putting in the spark plug will allow the socket to release easier when retracking the extension and socket. 6. The back three plugs are much more difficult. I removed the cruise control cable and mounting bracket from the throtle body. I also removed the PVC tubing from the left side of the intake manifold. You should then be able to insert each of your hands into the respective openings, you pretty much have to perform the rest of the steps blindly. The space is tight but I have done it 3 times now and can say that it can be done and probably easier then the factory method. 6. This will be the hardest part, unplug the the coil packs. 7. Unscrew the retaining bolt with a 10mm wrench. 8. You won't be able to pull the coil packs straight out but you can get them out but move slowly so as to not damage the coil packs - they are around $100 a piece. 9. It will be easier to get at the spark plugs if you first drop in the spark plug socket, then insert the socket extension. Make sure you get the extension plugged into the socket and then the socket secured on the spark plug. Then wiesel a socket wrench in and plug it into the extension. To crack loose the spark plugs from the right side (socket wrench handle pointed to the right) you will push toward the firewall, on the left side (socket wrench handle pointed to the left) you will pull towards you. After cracking the spark plugs loose you should be able to remove the socket wrench and using your fingers on the end of the extension unscrew the plugs. 10. To reinstall the plugs insert the plug into the socket first and remember the silicon spray into the socket, then wiesel the plug, socket and extension into the spark plug hole. Tighten the spark plug as tight as possible with your fingers. Perform final tightening with the socket wrengh. 11. Replace the coil packs and remember the silicon spray. Secure them with the retaining bolts. 12. Plug in the coil pack electrical fittings. 13. Reinstall the cruise control mounting bracket and cable, reinstall the PVC tubing and the the engine cowl and you are done.
how would you go about changing the spark plugs in a 1999 Lexus ES 300?
Change spark plugs on 1999 Lexus GS300?
Disconnect the battery, remove the spark plug cables, and boot covers, and remove the old spark plugs. Put in the new spark plug, replace the boot cover and cables, and reconnect the battery.
the spark plugs are located under the cover, you must unscrew the Lexus symbol and the 3 other screws at the bottom and the 3 of the spark plugs are in front top, the other 3, back top
Call Lexus dealer,ask for service manager and ask this qustion!!Problem will be solved.
It will cost approximately $2,000 to change the color of a Lexus IS 300.
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My Chrysler 300 SRT8 with a 5.7 Hemi has 16 spark plugs
The spark plugs on a Chrysler 300 are changed by removing the plenum assembly, pulling the plug boots, and removing each plug using a deep wall socket. The gap of each new plug is set and installed into the heads.
there are 3 plugs in the back and 3 in the front. you have to remove the plastic cover on top to get at front ones. 2 hex bolts hold it in.
You must remove the upper manifold to access the spark plugs. Each plug has an individual coil attached; you must remove the bolt holding the coil and boot in place.
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SPARK PLUG GAP2001 Lexus GS300 3.0L SFI DOHC 6cylThe Spark Plug Gap.044 (In thousandths of an inch)
it not uses 12 spark plugs, it uses 24 sparks plug due that was the original design from ford's engineerings
First you need to remove the upper engine covers. They are held on by Allen bolts(5mm Allen socket).Then remove the throttle body and intake inlet chamber.Take your time doing this so you do not brake crack hoses or connectors.Now you can remove the coils,plug wires and plugs. Good luck!
Could be a throttle position sensor, or a myriad of other things related to the ignition, timing, spark plugs ... maybe the engine needs a complete tune up.
Do it yourself: ~$65. Have it done at a shop ~$200-300 dollars.
I believe there is only one cylinder so it takes one spark plug
Yes, if the intake blocks access to the spark plugs.
I was looking at one of the Ford websites and it shows for the 4.9 liter / 300 cubic inch inline six cylinder engine in 1966 : ( for light duty the spark plugs are gapped at .035 inch ) ( for medium duty the spark plugs are gapped at .030 inch )
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