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TIGHTENING TORQUES 4Y ENGINE

I`m busy repairing 4y engine and i need to know the torques

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  • yadayada
    yadayada Oct 29, 2012

    What is this? Make, model, year??

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 916 Answers

SOURCE: tightening head

New Headbolts are recommended

Long bolts are torqued to 46'lbs + 90 degrees.

Short bolts are torqued 43'lbs + 90 degrees.

Start in the center, and work to the edges, torquing the bolts in two stages.

Rockers are torqued to 22'lbs.

Posted on Dec 21, 2008

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dcraig1000
  • 16 Answers

SOURCE: valve cover torque

17 ft lbs

Posted on Jan 23, 2009

chuck943
  • 783 Answers

SOURCE: Head bolt torque specs needed for 96 tbird 3.8

Head bolts are torque to yeild so you MUST use new bolts.
Tighten cylinder head retaining bolts in numerical sequence in three steps as follows:

  1. 20 Nm (15 lb-ft).
  1. 40 Nm (30 lb-ft).
  1. 50 Nm (37 lb-ft)
Loosen retaining bolts one at a time two to three revolutions and retighten as follows:

Long bolts:
  • Tighten to 40-50 Nm (30-37 lb-ft).
  • Rotate an additional 175-185 degrees.
  • Go to next bolt in sequence.
Short Bolts:
  • Tighten to 20-30 Nm (15-22 lb-ft).
  • Rotate an additional 175-185 degrees.
  • Go to next bolt in sequence.
Here is a pic of the sequence
http://i253.photobucket.com/albums/hh43/chuck943/Headboltsequence38L.gif

Posted on Mar 19, 2009

  • 45 Answers

SOURCE: need torque setting for front hub nut on a mark 3 golf vr6

195 ft-lbs I verified this in the Volkswagen repair manual aka the vdubbers bible

Posted on Mar 24, 2009

tneubauer
  • 437 Answers

SOURCE: torque and tightening sequence for 1999 2.2 chev

Cylinder Head Bolts

Step 1
Head Bolts A 46 (62)
Head Bolts B 43 (58)

Step 2 Additional 90 Degrees

Tightening Sequence:
http://www.anubiscycle.com/fixya/99cavheadsquence.png

Posted on Jan 17, 2010

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try this site:

http://motorpower.net/specs/4y.html

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The flywheel dose't need alignment it bolts to the back of the crank shaft .
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If you didn't change the oil, it's left over from before. If you did change the oil, then the new head gasket either wasn't installed correctly, or it's now blown, too.

Did you fully clean the old one off?
Did you get the head and block checked to confirm they're flat?
Did you torque the bolts in the correct order?

Sep 08, 2015 | Cars & Trucks

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What is the head torque specifications?


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May 10, 2014 | 2008 Isuzu i-Series

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I removed thehead need to know how much lbs to torque them at


Check your local library to see if they have a repair manual for this vehicle. You need to torque the bolts in a specific sequence (pattern), as well as to the correct torque. If they don't have it, you need to buy or borrow one. If you tighten them incorrectly, you can damage the engine.
While the manual may not say this, I always tighten all of them in the sequence given, first to about one-third of the torque limit, then come back and tighten all to about two-thirds, then to the full torque.

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2 Answers

How do you tighten up rocker arms 1999 ford tarus


Locate a repair manual (CHILTONS) <-- is best; and look up the torque specifications.

Once you have located this information, take of one valve cover at a time. With the torque wrench, (engine running) tighten up each rocker arm that is "ticking" or "loose" to the proper torque spec - or until it stops ticking. You will want to work quickly so you don't start to spray oil.

You can torque these with engine off, but start engine with cover removed to tighten them up until they stop ticking.

I suggest also speaking with certified mechanic about this and if there are other certain procedures for this as well. I have personally done it this way (successfully), however, it is always best to get a second and/or third opinion. I have also had a mechanic do this as I watched him as well.

Please let me know if you need further assistance.

carsandcomps,

Guru, Premium Expert @ Fixya.com

Jun 21, 2010 | 1999 Ford Taurus

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