![]() I usually weAr clean latex gloves to handle the new plugs, then thread the plugs in with a piece of fuel hose then tighten without the plug socket rubber insert. It shouldnt transfer dirty grease onto the plug insulator. Plug boots dont like salt from the road OR from your sweaty palms it only takes a little to migrate and cause a high misfire count in humid weather. ![]() I clean the boots inside and out using ethanol mixed with a tiny bit of distilled H2O. ![]() The Tip Connector doesnt like the grease - though in theory it shouldnt be a problem. I've backed off to the point that I just skim the inside if the boot with my pinky finger. The only thing that gave me a problem in the past is too much dielectric grease on the boot(s). Oh.here's how the plugs looked after 31K miles If anyone thinks of other things, I'll add them * If you disconnect the battery, vehicle will not start on first try. I used 11 ft lbs with a small bit of anti-seize but later found: (from Subaru) Use 1/3 less torque with thread lubricant.11 ft lbs * There is controversy about using anti-seize. * I didn't intend to do the job but after I pulled 2 plugs I went and bought Autolites bc NGK not available. * Do two plugs and test drive, After cooling, do the other two, ( approx just about 3/4 turn after hand seating) * Its unlikely that you will be able to use a torque wrench. ***Put a hook on a piece of wire and hook the pieces out (I needed to do this) * For installation, it the socket sticks to plug and the extensions come apart. * For removal, if extensions come apart its not a big problem you can push them together even if in hole. * Utilize 3" extensions.tape one extension to socket. *** Driver's side: (Battery removal not necessary) * Reinstall Air filter Housing and filter. * Push boot on plugs and 'feel' engagement. ![]() Use dialectic when reinstalling boots on supply end of wire. * If you are going to check Resistance in Plug wires do it now * Lube around housing and boot seal with dialectic. * The the correct torque will be 1/2 of a turn ( MAX) after "hand" contact * The manual says to use 1/3 less torque when using anti-sieze. * Run plug totally to seat using no wrench. * Lube new plug anti-seize* and use dialectic liberally on insulator. * Clean threads on old plug, lube with anti-seize* and run totally home using hand (no wrench) * Remove plug, use hose to again blow out hole. * Someone previously indicated spray brake cleaner for sticking plug (with extension spray tube). If it sticks go count clockwise and then counterclockwise in small increments * Break Plug free and loosen very slowly. * Pull lower housing away from fender (air inlet) - remove from compartment. * Housing may stick to lower mounting bolts-break free. * Remove Lower bolts for lower filter housing (two- 12 mm). * Duct Tape upper filter housing toward the the fire Wall (so its out of way) * Break connection where duct hose engages filter housing. * Gather up all tools ahead of time.make sure you are in the mood for this job. Various Cleaning Supplies, flashlight, mirror, bandages, Whiskey, Beer, etc. Dialectic Silicon Gel (Plug boots/Plug insulator)ġ1. Rubber Hose (Sucking/blowing debris out of spark plughole)ġ1. 8mm socket (Hose clamp -Air filter Duct to Housing)ħ.Duct tape (Taping extensions/socket together)Ĩ.Sharp Knife (Cutting away Duck Tape ) (or slashing your wrists-j/k)ĩ. 12 mm socket (Air Filter Housing hold-down bolts)Ħ. Short handle ratchet (especially for driver's side)ĥ. I have done several dozen plug changes in 45+ years and I would rate this as a '6' or '7' difficulty comparatively.Ĥ. Passenger's side probably you will be able to use one. Its unlikely you will be able to use a torque wrench on the driver's side. Be prepared for a skinned knuckle or twoĨ. You need to put the socket in in two steps (probably)ħ. Have two 3" extensions ready on the driver side. But its good to do bc they will come out easier next time.ĥ. Changing plugs at 30K miles is nowhere necessary. This will make it easier and make the driver side easier (for your first time).ģ. Do the passenger side first bc after you remove the air filter housing.room is abundant. Yes I am extremely anal when it comes to this stuff.Ģ.
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