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1986 Ford Crown Victoria oil drain plug hole rethreading

Tiny
ALANBEN
  • MEMBER
  • 1986 FORD CROWN VICTORIA
  • V8
  • 2WD
  • AUTOMATIC
  • 92,000 MILES
The plug looks cone-like, what if I tap out or just run the plug hole with 1/2-20 tap which is straight? Thank you
Saturday, April 19th, 2008 AT 12:57 AM

3 Replies

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Cone like? Like the threads are stressed?

There are oversized plugs available as well as double and triple oversized ones.
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Saturday, April 19th, 2008 AT 5:57 AM
Tiny
ALANBEN
  • MEMBER
  • 5 POSTS
I mean normally-is the plug hole could be run with its normal size tap 1/2-20, which is not cone? (Hole does spoil the plugs threads) Or no talk of cone here at all? Thanks

There are oversized plugs available as well as double and triple oversized ones.[/Quote]
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Saturday, April 19th, 2008 AT 7:39 AM
Tiny
SERVICE WRITER
  • MECHANIC
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I'm not sure what you are asking.

IF the threads are boogered up, you'll need to use a gauge on the plug to determine if that is the right threads before you tap it out. I don't have a listing of what size it would be. A parts store would have one, as another option.
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Saturday, April 19th, 2008 AT 3:09 PM

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