Thread: Head Bolts
View Single Post
Old 08-24-2006, 12:10 PM   #6
Tim Sanderson
Scooby Guru
 
Member#: 6486
Join Date: May 2001
Chapter/Region: MWSOC
Location: S.E. wisconsin
Vehicle:
00 Impreza 2.5 RS
Blue Ridge Pearl

Default

Head bolt torqueing sequence for a ej25/ej22 sohc:

C A F
E B D
<----- front of motor

1. apply a coat of engine oil to washers and bolt threads

2. tighten all bolts to 22 ft. lbs. in alphabetical sequence. then tighten all bolts to 51 ft. lbs. in alphabetical sequence.

3. back off all bolts(in sequence) by 180 degrees. back off all bolts again (in sequence) 180 degrees.

4. tighten bolts A & B to 25 ft lbs.

5. tighten bolts C,D,E and F to 11 ft. lbs.

6. tighten all bolts (in sequence) 80-90 degrees. DO NOT EXCEED 90 DEGREES

7. Further tighten all bolts (in sequence) by 80-90 degrees. BETWEEN STEPS 6&7 NO NOT EXCEED 180 degrees.

Done.

More to come.
* Registered users of the site do not see these ads.
Tim Sanderson is offline   Reply With Quote