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I need headbolt tightening sequence for a 1993 ford f150 with a4.9 inline 6.

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  • yadayada
    yadayada May 11, 2010

    It is in the service manual.

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Most head torque sequences start in the middle and work in a circle to the outside edges.The reason for this is because it keeps the head flat because most warpage starts in the center and gets worse on both ends or vise versa.Torque the head in three sucessive steps. It gives the gasket a chance to compress evenly and the bolts to stretch preventing fatigue.

Posted on Dec 01, 2008

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Cylinder head torque settings


Thread Head bolt torque and sequence
Read the threads, but it states:
According to my manual the removal and the replacement sequence are different. Removal (looking from the cam sprockets )
headbolt 1-3-9-5-7 are on the left and 2-4-10-9-8 are on the right. Remove in that progression.
Instillation 9-5-1-3-7 are on the left and 10-6-2-4-8 are on the right tighten in that order.
Tighten to 25Nm or 18 ft/lb. and retighten the cyl hd blt 70 deg plus 70 deg plus 50 deg using the angular torque guage KM-470-B.
Hope this helps. Might help to make a sketch and label the 5 headbolts on each side.

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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.

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1 Answer

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1 Answer

I need the headbolt torque specifications on a 1987 cheverolet cavalier with a 2.0 litre engine


My Chilton manual tells me 65-75 ft.lbs. I cn't send pics so this is the best I can do with tightening sequence.

push rods
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Hope this helps.

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1 Answer

1997 ford f150 4.6 4 wheel drive torque spec for heads


from autozone.com:
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    1. Step 1-27-31 ft. lbs. (37-43 Nm).
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    3. Step 3-tighten another 85-95 degrees.

Fig. Fig. 9 Tighten the cylinder head bolts in three steps using the sequence shown-4.6L and 5.4L engines

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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...


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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.
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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
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1 Answer

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What engine code is stored in the computer? You may have a bad TPS (throttle postioning sensor), or a bad O2 sensor. Auto Zone can retrieve the code for you, and tell you what sensor it is related to.

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1 Answer

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2 Answers

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Here you go, I hope this is what you were looking for:

For 1987-94 models, the cylinder head bolts are tightened in 3 progressive steps. Tighten them in the proper sequence as follows:
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2 Answers

1998 ford motor swap 8cyl to a six inline


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