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Head bolt torque settings

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Old Oct 31, 2009 | 11:33 AM
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Default Head bolt torque settings

Can someone please advise me on the torque settings for a early impreza it's version one
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Old Nov 1, 2009 | 07:40 PM
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Some on here must know what they are???
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Old Nov 1, 2009 | 08:05 PM
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Have a search on SN - slipstream_uk has hosted the manuals

Mick
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Old Nov 3, 2009 | 11:23 AM
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Cylinder Head Bolts:


The text refers to bolts A,B,C etc, they are as follows:

A = Top Middle
B = Bottom Middle
C = Top Left
D = Bottom Right
E = Bottom Left
F = Top Right

When removing Cyl head bolts, they should be undone in the following order. F E D C B A

Refitting Cyl Heads:

(1) Apply a coat of engine oil to washers and
bolt threads.

(2) Tighten all bolts to 29 N•m (3.0 kgf-m, 22 ftlb)
in alphabetical sequence.

Then tighten all bolts to 69 N•m (7.0 kgf-m, 51 ftlb)
in alphabetical sequence.

(3) Back off all bolts by 180° first; back them off
by 180° again.

(4) Tighten bolts (A) and (B) to 34 N•m (3.5 kgfm,
25 ft-lb).

(5) Tighten bolts (C), (D), (E) and (F) to 15 N•m
(1.5 kgf-m, 11 ft-lb).

(6) Tighten all bolts by 80 to 90° in alphabetical sequence.
CAUTION:
Do not tighten bolts more than 90°.
(7) Further tighten all bolts by 80 to 90° in alphabetical
sequence.

CAUTION:
Ensure that the total “re-tightening angle” [in
the two previous steps] do not exceed 180°.


Camshaft Caps

M8 Bolts = 20 N.m (2.0 kgf-m, 14.5 ft-lb)
M6 Bolts = 10 N.m (1.0 kgf-m, 7.2 lb-ft)

Cam Cover = 10 N.m (1.0 kgf-m, 7.2 lb-ft)


Camshaft Timing Wheels = 98 N.m (10 kgf-m, 72.4 ft-lb)


Timing Belt Idlers = 39 N.m (4.0 kgf-m, 28.9 ft-lb)


Timing Belt Tensioner Bracket 25 N.m ( kgf-m, 18 ft-lb)


Timing Belt Tensioner = 39 N.m (4.0 kgf-m, 28.9 ft-lb)


Timing Belt Covers = 5 N.m (0.5 kgf-m, 3.6 ft-lb)


Crankshaft Pulley = 177.m (18kgf-m, 130 ft-lb)



Phil
________________________________________
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