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What is the torque on 2.0 liter head bolts - 1987 Mazda B-Series

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Hi as follows
stage1 20-26NM
stage2 59-56NM
stage3 80-86NM

cheers jay

Posted on Jun 23, 2009

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2 Answers

Cylinderhead torque settings


I'm not sure what engine you have in your 95 grand am SO I will give you both the 4cyl and 6cyl Specs. Also you didn't ask for the torque sequence. I will include that as well for both. 2.3 DOHC Quad 4cyl: Torque sequence---> front ' 7 3 1 5 9 ' of engine ' 8 6 2 4 10 ' Step 1: torque bolts 1 thru 6 (26 Ft/Lbs & 90 degree turn) Step 2: torque bolts 7 & 8 (15 Ft/Lbs & 90 degree turn) Step 3: torque bolts 9 & 10 (22 Ft/Lbs & 90 degree turn) Recheck final torque in sequence *** CAUTION *** This engine uses "Torque To Yield" (TTY) head bolts that means they permanently stretch during the initial installation. New head bolts must be used when cylinder head is replaced or re-installed in order to obtain proper torque. 3.1 liter V6 Torque sequence--> ' 6 2 3 7 ' ' 5 1 4 8 ' Step 1: torque bolts in sequence to 33 Ft/Lbs Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION *** This particular engine uses "Torque To Yield" head bolts(TTY) (that means the bolts permanently stretch during the initial installation.) You MUST use NEW head bolts when replacing or reinstalling the cylinder head in order to obtain the proper torque.

Aug 22, 2014 | 1995 Pontiac Grand Am

1 Answer

Head torque specifications


Torquing the head bolts is done in 4 steps.
step 1 14 ft/lbs
step 2 36 ft/lbs
step 3 49 ft/lbs
step 4 retourque bolts 1 and 2 at 49ft/lbs.
Use this diagram for the torque sequence.
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Aug 14, 2014 | 1998 Honda Civic

1 Answer

What is the head bolt torque sequence on a 1998 BMW Z3 Roadster 2.8 liter?


Its usually from the center out in the next most opposite bolt (star) sequence. ie. if its a 14 bolt head 1-7 top, 8-14 both from front it would be like 4-11-3-12-5-10-6-9-2-13-6-8-1-14-7. you just want to avoid tightening a bolt outside a non torqued bolt to prevent head or gasket damage. torque specs are done in degrees, ie 44 ft/lbs, then run it 15 min then tighten another 33 degrees, then run it another 10 minutes and final torque another 25 degrees.

Aug 18, 2013 | BMW Cars & Trucks

2 Answers

2001 daewoo lanos dual overhead 1.6 liter head bolt torque and sequence


  1. Tighten cylinder head bolts to 25 N.m (18 ft. lbs.). Tighten bolts an additional 70 degrees plus 70 degrees plus 30 degrees using angular torque gauge .
2001-daewoo-lanos-dual-overhead-1-6-vrq3bch1e30nz1jlq5sn5nnt-4-0.gif

Oct 20, 2011 | 2000 Daewoo Lanos

1 Answer

What is the torque settings on a 3.4 liter engine 94 camaro. replaced the heads and gaskets


Torque sequence --------- ' 6 2 3 7 ' ' 5 1 4 8 ' --------- Step 1: torque in sequence to 33 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.

I hope this helps you and good luck

Mar 25, 2011 | 1994 Chevrolet Camaro

1 Answer

What is the right Torque Specification of the cylinder head bolt,main bearing and connecting rod bearing for a 1997 Ford F 150 4.2 liter? Thank you...


Cylinder heat bolt torque:
Torque sequence --------- front | 7 3 1 5 | | 8 4 2 6 | --------- Step 1: Torque all bolts in sequence to 14 Ft/Lbs Step 2: Torque all bolts in sequence to 29 Ft/Lbs Step 3: Torque all bolts in sequence to 36 Ft/Lbs Step 4: in the sequence, loosen the cylinder head bolts three turns. Step 5: Tighten short bolt to 15 - 32 Ft/Lbs Step 6: Tighten long bolt to 30 - 36 Ft/Lbs Step 7: Tighten all bolt to 175- 185 degree note: Do not loosen all of the cylinder head bolts at one time. Each cylinder head bolt must be loosened and the final tightening prior on the next bolt in the sequence.
Main bearing torque:
Torque sequence: Step 1: torque bolts to 91 Ft/Lbs with the exception of the rear main bearing cap Step 2: torque rear main bearing cap bolts to 88 Ft/Lbs Step 3: torque brace bolts to 40 Ft/Lbs
Connecting rod torque:
Torque sequence Step 1: Torque to 29 Ft/Lbs Step 2: Turn an additional 90 degrees

May 17, 2010 | 1997 Ford F150 Regular Cab

1 Answer

Need to know cylinder head bolt torque specs


Head Bolt Torque For your 1994 Oldsmobile Cutlass Supreme (3.4L SFI DOHC): clearpixel.gif Foot pounds (Final torque) clearpixel.gif Note: Torque sequence --------- | 6 2 3 7 | | 5 1 4 8 | --------- Step 1: torque in sequence to 33 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. clearpixel.gif clearpixel.gif clearpixel.gif Foot pounds (Final torque) clearpixel.gif Note: Torque sequence --------- | 8 4 1 5 | | 7 3 2 6 | front --------- of engine | 6 2 3 7 | | 5 1 4 8 | Step 1: torque to 40 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.

Feb 07, 2009 | 1994 Oldsmobile Cutlass Supreme

4 Answers

Head bolts torque settings


According to my haynes manual for G-S reg, 1989-1998 it goes as follows,
Stage 1:- Tighten all bolts by hand until bolt heads just contact cyl. head.
Stage 2:-Tighten all bolts to 40Nm or 30lb ft.
Stage 3:-Angle tighten all bolts a further 60 degrees.
Stage 4:-Angle tighten all bolts again a further 60 degrees.
Stage 5:- M12 x 140mm bolts ONLY angle tighten a further 20 degrees.
Hope this helps everyone, sorry it seems longwinded but that is how it's written in the manual.

Oct 26, 2008 | 1995 Land Rover Discovery

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