I just installed new Denso plugs and coils, 2000 LC w/197k. I've had a few aftermarket coils fail and wanted to get a complete new set of Denso's in there.
I was surprised how goo-ed up some of the plugs were (especially 6, plugs are pictured 1-8 left to right, coils are not in order). @2001LC I'd love you're opinion. I've been through both of these threads and have found them helpful:
None of them felt loose when removing, but perhaps that was because of all the goo. I'm assuming all of those taller 'hatted' coils are original. Is all that goo something I need to worry about? Is that a valve cover gasket issue, or coming up through the threads?
I was surprised how goo-ed up some of the plugs were (especially 6, plugs are pictured 1-8 left to right, coils are not in order). @2001LC I'd love you're opinion. I've been through both of these threads and have found them helpful:
Ticking time bomb TICK TICK TICK: Spark plugs Alert Alert Alert!
TICK TICK TICK POP POP POP is a ticking time bomb, often mistaken as exhaust manifold crack or gasket leak leak. ALERT, ALERT, ALERT: Spark plugs are working themselves loose. "Walking Out" Then blowing out of head, taking their female threads of head with them! Very damaging! You think TICK...
forum.ih8mud.com
When to change spark plugs?
Wondering if there is a Lexus manufacturer's mandated time period within which to change spark plugs (sort of like the recommended mileage within which one does the timing belt/water pump)? I ask because I just had the LX in for its first post crash service and was told I should be thinking...
forum.ih8mud.com
None of them felt loose when removing, but perhaps that was because of all the goo. I'm assuming all of those taller 'hatted' coils are original. Is all that goo something I need to worry about? Is that a valve cover gasket issue, or coming up through the threads?