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1992 Ford Explorer bolts and studs

Tiny
MOSESLO
  • MEMBER
  • 1992 FORD EXPLORER
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
Why can I not plane intake manifold upper and lower bolts for my 92 Ford Explorer XLT if so where can I find them
Tuesday, June 16th, 2015 AT 12:38 PM

12 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
What? Can you explain?
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Tuesday, June 16th, 2015 AT 7:41 PM
Tiny
MOSESLO
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Sorry it exhaust manifold I learning on way lol I got four bolts missing do you know how long RMS last
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Tuesday, June 16th, 2015 AT 7:44 PM
Tiny
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Are they missing or have they broken off in the cylinder head?
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Tuesday, June 16th, 2015 AT 7:48 PM
Tiny
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They are missing not broken
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Tuesday, June 16th, 2015 AT 7:51 PM
Tiny
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That's a good thing!!! As far as the bolts, I don't have anything listed to indicate length, diameter, and pitch of the thread. They are a standard bolt so it shouldn't be hard to find. I looked online for you and found these.

http://www.autohausaz.com/search/product.aspx?partnumber=MM-03411&utm_source=google&utm_medium=nonpaid&utm_campaign=frooglePN&utm_term=03411&crossref=03411&gclid=CM6wuK7elcYCFc6QHwod2IkABg
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Tuesday, June 16th, 2015 AT 8:01 PM
Tiny
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Based on that listing, 1.25mm is the size and pitch of the thread.
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Tuesday, June 16th, 2015 AT 8:03 PM
Tiny
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Thanks I got some at O'Reilly Auto Parts 8.99
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Tuesday, June 16th, 2015 AT 8:03 PM
Tiny
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Sounds good. Let me know if you have other questions.
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Tuesday, June 16th, 2015 AT 8:04 PM
Tiny
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How hard do I tighten them what to use I'm new at this but learning quick
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Tuesday, June 16th, 2015 AT 8:05 PM
Tiny
MOSESLO
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Also when I start vehicle my rpms go up n down just a little not lot rough idle
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Tuesday, June 16th, 2015 AT 8:08 PM
Tiny
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Have you ever heard of blue devil rear main sealer
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Tuesday, June 16th, 2015 AT 8:10 PM
Tiny
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Okay, lets start with the exhaust manifold. They need to be torques using a torque wrench. Most part stores will lend or rent one to you. The bolts get torqued to 18 ft/lbs. Start in the center of the manifold and work your way out going left to right.

As far as the idle, it could be a vacuum leak or a bad idle air control valve (IAC).

Yes, I have heard of the rear main sealer and yes often times they work. Just make sure to follow the manufacturer's directions and don't overfill the engine oil.

Let me know how things go for you.
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Thursday, June 18th, 2015 AT 7:10 PM

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