Question about 1999 Jeep Wrangler
Just a question. How hard is it to change out the spark plugs on these inline 4.0ltr 6cyl engines? Whats the process.
Also does anyone have a recommendation on what oil to use for the engine and where abouts the drain plug is for the gearbox sump.
Its an Automatic if that helps.
Plugs is easy.
I use only Valvoline as it doesn't tend to gum or sludge my engines like Penzoil or Quaker State did.
I assume this is a 4WD since your asking about the gearbox, and it's an automatic.
Posted on Jan 24, 2009
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