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What is the tightening torque for Isuzu 4hf1 cylinder head bolt

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  • Isuzu Master
  • 20,706 Answers

Double posted, do we get 3?

Posted on Apr 22, 2015

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 2 Answers

SOURCE: what is the 98 isuzu rodeo head bolt torque

joyce, there are different specs for sohc and dohc engines. my advice is to get a Haynes manual from the auto parts store.

doug

Posted on Sep 01, 2008

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

c17hydro
  • 2984 Answers

SOURCE: cylinder head torque settings 1990 2.6L isuzu motor

From front to back is this:


7 3 1 5 9



8 4 2 6 10



First torque value is 58 ft lbs.....then final torgue is 72 ft lbs.

Posted on Mar 21, 2009

inspectmycar
  • 233 Answers

SOURCE: 94 mazda B3000 3.0L cylinder head torque specs

Step 1 torque to 59 ft pounds
2. Loosen one full turn
3. 37 ft pounds
4. 68 ft pounds

Use torque sequence below
aca9f77.gif

Posted on Sep 17, 2009

  • 20 Answers

SOURCE: What is the tightening torque

Toyota Starlet L4-1290cc 4KE

40-47 Ft/lb

Posted on Mar 05, 2011

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Hi i want to know the all bolt torque specifications of the 4hf1 isuzu engine


welcome to USA forum
no car stated
no year,
no body type. (like ELF or the like)

ALL BOLTS heads and all? a tall order for free, no?
why not buy the book for unstated vehicle,"?
try Isuzu yet, ask them for a book on it?
or google for a week.?
the questions can be searched.
tell me do you build engines using internet rumors?
here ill type for you,, here goes.....


http://www.fixya.com/search.aspx?ref=ser&s=4hf1&


https://duckduckgo.com/?q=+4hf1+bolt+torque&ia=web

2 searches for free, good luck on the rumor deals.

Nov 18, 2016 | Isuzu Cars & Trucks

1 Answer

Hello I need a proper torque for main bearing bolts con rod bolts and cylinder head bolts of Isuzu 4hf1?


DIY? I strongly recommend you get a repair manual from your autoparts store, or try filepeep.com or manualslib.com
You will want it later anyway.

Apr 14, 2015 | Isuzu Cars & Trucks

1 Answer

What is the torque of connecting rod bolt and cylinder head bolt of Isuzu 4hf1


no year car, no model.
so you hoping all years, 4hf1 are same. why assume that.
its only rods, LOL

Apr 14, 2015 | Isuzu Cars & Trucks

1 Answer

Need head bolt torque specs for a 1996 saturn sl


Quote:





Originally Posted by norvelplagbao52

1993 saturn sl2 1.9 dohc cylinder head torque
specs and sequence
Cylinder head bolt
tightening procedure:
CYLINDER HEAD BOLT TIGHTENING SEQUENCE:

INTAKE
SIDE
8 4 1 5 9

7 3 2 6 10
EXHAUST SIDE

In sequence,
torque the cylinder head bolts. Torque: 30 Nm (22 ft-lbs).
In sequence,
torque all bolts. Torque: 50 Nm (37 ft-lbs)
In sequence, turn each bolt an
additional 90 degrees.





Originally Posted by norvelplagbao52

1993 saturn sl2 1.9 dohc cylinder head torque
specs and sequence
Cylinder head bolt
tightening procedure:
CYLINDER HEAD BOLT TIGHTENING SEQUENCE:

INTAKE
SIDE
8 4 1 5 9

7 3 2 6 10
EXHAUST SIDE

In sequence,
torque the cylinder head bolts. Torque: 30 Nm (22 ft-lbs).
In sequence,
torque all bolts. Torque: 50 Nm (37 ft-lbs)
In sequence, turn each bolt an
additional 90 degrees.

Sep 19, 2013 | 1996 Saturn SL

1 Answer

Cylinder head bolt tightening sequence for isuzu rodeo 1998


1998 Isuzu Truck Rodeo 2WD 2.2L MFI DOHC 4cyl

The Head Bolt Torque

Torque sequence ----------------- front ' 7 3 1 5 9 ' of ' ' engine ' 8 4 2 6 10 ' ----------------- Step 1: torque bolts in sequence to 18 Ft/Lbs Step 2: turn bolts in sequence an additional 90-degrees Step 3: turn bolts in sequence an additional 90-degrees Step 4: turn bolts in sequence an additional 90-degrees recheck final torque in sequence

1998 Isuzu Truck Rodeo 2WD 3.2L MFI DOHC 6cyl

The Head Bolt Torque

Torque sequence -------------- front ' 6 1 3 7 ' of ' ' engine ' 5 2 4 8 ' -------------- Step 1: torque to 20 Ft/Lbs Step 2: torque to 47 Ft/Lbs recheck final torque in sequence

Jan 15, 2013 | 1990 Isuzu Spacecab

1 Answer

Torque specs for 3.2 1995 heads on isuzu rodeo heads


0900c152800622a3.gif

To install:

  1. Install new camshaft seals and retaining plates onto the cylinder. Tighten the right camshaft seal retaining plate 6mm bolts to 65 inch lbs. Tighten the left camshaft seal retaining plate 8mm bolts to 191 inch lbs.
  2. Thoroughly clean the cylinder head and engine block sealing surfaces.
  3. Place a new head gasket on the engine block and carefully position the cylinder head on top of the new gasket.

Do not reuse or apply oil to the cylinder head bolts.
  1. Install new cylinder head bolts and torque them in sequence to 47 ft. lbs. (64 Nm) for the M11 bolts and 15 ft. lbs. (21 Nm) for the M8 bolts.
  2. Install the dipstick tube bracket to the cylinder head.
  3. Connect the front exhaust pipes to the exhaust manifolds. Tighten the exhaust bolts to 48 ft. lbs. (67 Nm).
  4. Install the power steering pump bracket. Torque the mounting bolts to 34 ft. lbs. (46 Nm).
  5. Install the cylinder head covers.
  6. Install the timing belt and the auto tensioner (pusher). Torque the mounting bolt to 14 ft. lbs. (19 Nm).
  7. Install the timing belt cover and oil cooler hoses and bracket.
  8. Install the crankshaft pulley. Torque the center bolt to 123 ft. lbs. (167 Nm).
  9. Install the fan pulley assembly.
  10. Install the power steering pump.
  11. Install the accessory drive belts.
  12. Install the engine coolant manifold and the heater hose.
  13. Install the intake manifold. Torque the nuts and bolts to 17 ft. lbs. (24 Nm) in a crisscross pattern.
  14. Install the fuel injector connectors and the fuel hoses to the fuel rail.
  15. Install the common chamber. Torque the nuts and bolts to 17 ft. lbs. (24 Nm).
  16. Install the EGR valve assembly. Torque the mounting bolts on the valve side to 69 inch lbs. (8 Nm) and the bolts on the exhaust side to 21 ft. lbs. (28 Nm).
  17. Connect the evaporative emission canister purge hose.
  18. Connect the fuel pressure control valve vacuum hose.
  19. Connect the positive crankcase ventilation hose.
  20. Install the throttle body assembly. Torque the mounting bolts to 14 ft. lbs. (19 Nm).
  21. Connect the vacuum hoses to the throttle body.
  22. Install the ignition control module and the spark plug wires.
  23. Connect the MAP sensor; Canister vacuum switching valve (VSV); Exhaust gas recirculation (VSV); Intake air temperature sensor and ground connectors.
  24. Connect the vacuum booster hose.
  25. Connect the air vacuum hose.
  26. Connect the accelerator cable. Adjust the accelerator cable by pulling the cable housing while closing the throttle valve and tightening the adjusting nut and screw cap by hand temporarily. Now loosen the adjusting nut by three turns and then tightening the screw cap. Make sure the throttle valve reaches the screw stop when the throttle is closed.
  27. Install the cooling fan assembly and the upper fan shroud.
  28. Install the air cleaner assembly.
  29. Connect the negative battery cable.
  30. Refill and bleed the cooling system.
  31. Refill and bleed the power steering pump if necessary.
  32. Refill the engine with fresh oil.
  33. Run the engine and check for leaks and proper compression.

May 16, 2011 | 1995 Isuzu Rodeo

2 Answers

What are the head torque specs?


1996 Isuzu Truck Hombre 2.2L SFI 4cyl

zjlimited_545.jpg

Fig.: Cylinder head bolt torque sequence-2.2L engine

Apply a coating of 1052080 or equivalent sealer to the cylinder head bolt threads. Install the cylinder head bolts (within 15 minutes of sealer application), then tighten them in the proper sequence first to a torque of 46 ft. lbs. (63 Nm) for long bolts or to 43 ft. lbs. (58 Nm) for short bolts and then tighten all bolts an additional 90 degree turn using a torque angle meter.

Hope this helps (remember to rate this answer).

Jan 25, 2011 | 1996 Isuzu Hombre

1 Answer

I need to find the torque specs for the connecting piston rod? also the sequence and torque for the cylinder head bolts this is for a kia rio 2004 6cyl


22 - 24 ft. lbs. for the rod caps and....
110795143Cylinder Head Tightening Torque and Sequence.

Tighten cylinder head bolts in order shown.
Tightening torque: 36.1 ft. lbs. (49 Nm, 5 kg-m)

Loosen bolts in reverse of order shown.

Retighten cylinder head bolts in order shown.
Tightening torque: 18 ft. lbs. (25 Nm, 2.5 kg-m)

Mark cylinder head bolts for rotational reference.
Rotate cylinder head bolts 90°(1/4 Turn) in order shown.

CAUTION:
  • Do not reuse the old cylinder head bolts.

May 31, 2010 | 2004 Kia Rio

1 Answer

Cylinderhead bolts torque settings


Its tighten to this amount then by angle

25. Cylinder Head W/intake Manifold
· Clean up cylinder head lower surface and cylinder
body upper surface.
· Install cylinder head as softly.
· Apply engine oil to screw and seat of cylinder
head bolts.
· Tighten cylinder head bolts in following sequence
1st Step

36 Lbs /ft
2nd Step
60° - 1/3 a of a turn
3rd Step
60° -- same

And thats in a spiral out from the center .

Oct 05, 2009 | 1994 Isuzu Trooper

1 Answer

Cam shaft torques for caps and cover 3.0tdohc


Bolts in the center of the cams 28.2 ft/lbs
Bolts on the outside of the cams 15.9ft/lbs
INSTALLATION
1. Cylinder head cover.
1) Install the cylinder head cover gasket to cylinder
head cover.
3) Apply liquid gasket (TB1207B or equivalent) to
the rubber seal of the camshaft end, injector
harness gasket area and No. 1 camshaft
bracket.
4) Tighten cylinder head cover fixing bolts
Torque : 9 N·m (0.9 kg·m/6.5 lb ft)

Aug 11, 2009 | 2000 Isuzu Trooper

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