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Torque specifications for 1998 Chevy Malibu 3.1 L engine. Cylinder heads.

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Cylinder Head Bolt Torque Specification for the GM 3.1L and 3.4L Engines is as follows:

Tighten the cylinder head bolts to 44 ft.lbs (60 N-m) in the order to seat gasket.

Tighten an additional 95 degrees.

Then make a second pass tightening all the bolts an
additional 95°.

Remember, 95° is just a little more than a 1/4 turn, not 1/2 turn, or from 12 o’clock to 3 o’clock on the dial. Do not tighten beyond this.

Posted on Feb 17, 2019

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SOURCE: I need the torque specs and sequence on a 1998 chevy 350 vortec

Vortecs are a little different that old school small blocks, grab a Haynes or Chiltons, the cross patterns and specs are simply diagramed. Vortec, as any really, start with 25# then 45# and then final torque which I believe is around 70-75# but to be sure verify with the manual. AutoZones, Murry's, Adavance auto all carry the books, Cheap insurance.
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33 ft-lbf then 90 degrees then another 90 degrees

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SOURCE: Replacing the Cylinder head on a QR20 engine

Hello. I can help you out. Just need to know if it is 2x4 or 4x4 and what liter size is this engine?
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Posted on Nov 15, 2009

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SOURCE: i need the engine torque specs for 99 chevy malibu

99 chevy malibu v6 3.1 engine, head bolt torque is-- 98 through 2001 is step1- 37 foot lbs, step 2- rotate an additional 90 degrees (1/4 turn). the rocker arm bolts are 168-in. lbs.

Posted on Sep 07, 2010

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1 Answer

Head bolt sequence and torque values on a 1999 Chevy 3.1L engine


if the 8th number om your VIN is a "J" then this is the correct prossess 3.1LTorque sequence --------- ' 6 2 3 7 ' ' 5 1 4 8 ' --------- Step 1: torque in sequence to 37 Ft/Lbs Step 2: turn an additional 90 degrees recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque.Always coat bolt threads with the proper sealant.

if the 8th number on your VIN is a "M" then this is the correct prossess 3.8LTorque sequence --------- ' 6 2 3 7 ' ' 5 1 4 8 ' --------- Step 1: torque in sequence to 37 Ft/Lbs Step 2: turn an additional 90 degrees recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque.Always coat bolt threads with the proper sealant.

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1 Answer

My 1998 chevy malibu wont start after overheating with smoke why


If the engine was overheated, you most likely have a cracked cylinder head and/or a blown head gasket. The reason it won't start is because there is angine coolant getting in the combution chambers. (You cannot run the engine on antifreeze)

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What's the cylinder heads torque spec for a 97 chevy malibu 3.1 engine


Please refer to the following "GM Tech Solutions Guide" on the Head bolt torque procedure for the 3.1 and the 3.4 V6 engines, Follow the link please.

http://www.enginebuildermag.com/Content/Site302/Articles/02_01_2010/7116825GMLayout_00000029225.pdf

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Correct pressure for torque the head of mazda pickup 1998


Since you didn't say which engine you have, I've pulled torque specs for 3 different engines. Also, since I can't include a diagram showing the relative locations of the numbered head-bolt locations, it would be a good idea for you to purchase a vehicle specific repair guide that will show this info.


Take particular note about the TTY (Torque to Yield) bolts used on 2 of the 3 engines shown. It is said that new head bolts MUST BE USED when head is replaced or re-installed to obtain the proper torque.



B2500 4 Cylinder

Torque sequence: --------- ' 10 6 2 4 8 ' front ' ' ' 7 3 1 5 9 ' -----------Step 1: torque in sequence to 51 Ft/Lbs Step 2: torque again in sequence to 51 Ft/Lbs Step 3: final tighten all bolts an additional 90 to 100 degrees recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) that permanently stretch during the initial installation. New head bolts must be used when cylinder head is replaced or re-installed to obtain proper torque.







B3000 3.0 6 Cylinder

Torque sequence ---------- ' 6 4 2 8 ' ' ' ' 5 1 3 7 ' ---------- Step 1: torque to 59 Ft/Lbs Step 2: loosen in sequence (1) full turn Step 3: torque to 41 Ft/Lbs Step 4: torque to 73 Ft/Lbs









B4000 4.0 6 Cylinder

Torque sequence --------- ' 5 1 3 7 ' ' ' ' 6 4 2 8 ' --------- Step 1: torque cylinder head bolts in sequence to 26 Ft/Lbs Step 2: torque cylinder head bolts to 56 Ft/Lbs Step 3: turn cylinder head bolts in sequence an additional 90-degrees recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) that permanently stretch during the initial installation. New head bolts must be used when cylinder head is replaced or re-installed to obtain proper torque.


Good luck with this job!

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3 Answers

Need to know the head bolts torch specs on 98 toyota v6


heres the torque specs and the way to tighten the head bolts for your 1998 toyota sienna, hope this helps,
12 point bolts step 1- 40 ft lbs
step 2- additional 90 degrees
recessed bolt 13 ftlbsaf151d2.gif

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1 Answer

I need the engine torque specs for 99 chevy malibu. like the head bolt torque sequence and rocker bolt torque sequence


99 chevy malibu v6 3.1 engine, head bolt torque is-- 98 through 2001 is step1- 37 foot lbs, step 2- rotate an additional 90 degrees (1/4 turn). the rocker arm bolts are 168-in. lbs.

Mar 12, 2010 | 1999 Chevrolet Malibu

1 Answer

Torque specks


hi 1999 chevy malibu head bolts 1-8 40 ft lbs bolts9-10 30 ft lbs tighten all bolts an additional 90 degrees

rod bearings 18 ft lbs plus additional 80 degrees

head
top row of bolts 9 3 1 5 7 bottom row 10 6 2 4 8 from left to right

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1 Answer

Torque specifications for cylinder head


you need to be more specific...what make of vehicle you working on and engine size

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1997 Malibu torque Specifications


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Please rate this a fixya if this answers your question. Thanks!!

Mike

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