Notices
Aerostar Ford Aerostar

spark plug replacement 4.0 AWD

Thread Tools
 
Search this Thread
 
Old Apr 25, 2006 | 07:30 AM
  #31  
pbrunner's Avatar
pbrunner
Senior User
Joined: Oct 2004
Posts: 216
Likes: 0
I cut the access hole. I had initially screwed the new plug into threaded CARBON. The threads in the head start 1/2 " deep or more into the plug hole. Above this was a solid coating of carbon that had formed in the outline of the old plug threads. Pieces of this carbon were loosened and were fouling the theads in the head to the point the new plug wouldn't screw in. The old plug must not have been tightened down, explaining the little stumble, and allowing the carbon buildup. I cleaned out the plug hole and threads an voila! Now I have to replace the insulation, sheet metal and carpeting. The joke is on me. Lesson learned.

For those that this may help, and I hope you don't need it. A 2" holesaw centered about 1 1/4" directly below the lower front corner of the doghouse latch should get you about where you need to be.
 
Reply
Old Apr 25, 2006 | 10:00 AM
  #32  
rebocardo's Avatar
rebocardo
Post Fiend
Joined: Jun 2002
Posts: 13,873
Likes: 3
From: Atlanta GA
FWIW: I posted a LONG time ago a method to do plugs on the 4.0 Aerostar. It goes pretty quickly without too much blood loss.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
JWA
1968-Present E-Series Van/Cutaway/Chassis
9
Apr 16, 2019 08:27 PM
funtwohunt
1983 - 2012 Ranger & B-Series
3
Oct 3, 2012 02:06 AM
PEG
1997 - 2003 F150
7
Feb 25, 2011 01:04 PM
vze2sgxa
1997 - 2006 Expedition & Navigator
31
May 14, 2009 09:10 PM
vze2sgxa
Modular V8 (4.6L, 5.4L)
20
Aug 8, 2008 06:32 PM




All times are GMT -5. The time now is 12:48 AM.

story-0
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-02 21:45:57


VIEW MORE
story-1
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-05-30 18:33:59


VIEW MORE
story-2
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer

Slideshow: 10 most expensive Ford trucks ever sold on Bring a Trailer.

By Joe Kucinski | 2026-05-27 16:24:34


VIEW MORE
story-3
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)

Here's everything that has changed for the latest model year.

By Brett Foote | 2026-05-27 16:17:28


VIEW MORE
story-4
Top 10 Ford Truck Tragedies

Slideshow: Top 10 Ford truck tragedies.

By Joe Kucinski | 2026-05-18 19:34:33


VIEW MORE
story-5
AEV FXL Super Duty - the Super Duty Raptor Ford Doesn't Make

And it might be even better than that.

By Brett Foote | 2026-05-18 19:26:42


VIEW MORE
story-6
Lobo Vs Lobo: Proof the F-150 Lobo Should Be Even Lower!

Slideshow: Does lowering an F-150 Lobo RUIN the ride quality?

By Michael S. Palmer | 2026-05-18 19:20:37


VIEW MORE
story-7
Ford's 2001 Explorer Sportsman Concept Looks For a New Home

Slideshow: Ford's bizarre fishing-themed Explorer concept has resurfaced after spending decades largely forgotten.

By Verdad Gallardo | 2026-05-12 18:07:46


VIEW MORE
story-8
10 Best Ford Truck Engines We Miss the Most!

Slideshow: The 10 best Ford truck engines we miss the most.

By Joe Kucinski | 2026-05-12 13:09:47


VIEW MORE
story-9
2026 Shelby F-150 Off-Road: Better Than a Raptor R?

Slideshow: first look at the 810 hp 2026 Shelby F-150 Off-Road!

By Brett Foote | 2026-05-12 12:50:07


VIEW MORE