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* superceeded 11057-H5700? | * superceeded 11057-H5700? | ||
- | [http://datsun1200.com/modules/myalbum/photo.php?lid=19818 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/uploads/photos/19818.jpg] | + | [http://datsun1200.com/modules/myalbum/photo.php?lid=24528 http://ddgonzal.members.winisp.net/getThumb.aspx?width=400&uri=http://datsun1200.com/uploads/photos/24528.jpg] |
+ | <br>A12: Long middle bolt marked 'T' | ||
+ | <br>A14: Long middle bolt marked '13' | ||
Hi-torque bolts marked "13" on the head. Remove the valve cover to verify. | Hi-torque bolts marked "13" on the head. Remove the valve cover to verify. |
Revision as of 12:28, 27 May 2012
Also see Changing Head Gasket for torque specifications and procedure. A-series head bolts are designed to be reused; they are not Torque-To-Yeild (TTY) bolts.
Original Lo-torque bolts (B10 & early B110 -1172) - 36 ft-lb
- 11056-18001 BOLT-FIXING CYLINDER HEAD SHORT
- 11057-18000 BOLT-FIXING CYLINDER HEAD LONG
- 11058-18000WASHER-LOCK FIXING CYLINDER HEAD
Newer medium torque bolts (1272-) - 43 ft-lb
- 11056-H1000 BOLT-FIXING CYLINDER HEAD SHORT (9 needed) $2.90
- 11057-H1000 BOLT-FIXING CYLINDER HEAD LONG [Center bolt] $2.51
- 11058-H1000 WASHER-LOCK FIXING CYLINDER HEAD $2.28
A12GX, A12T, A12S, A13, A14, A15, A12A - 58 ft-lbs
- 11056-H2301 HEAD BOLT SHORT (9 needed) $3.96
- NOTE Some newer lo-power (round port) A12S are spec'd for 11056-H1000
- 11057-H2301 BOLT-CYLINDER HEAD LONG, TO OIL GALLERY (TO 6/73) $3.88
- one needed
- 11057-H5000 BOLT-CYLINDER HEAD LONG, TO OIL GALLERY (FROM 7/73) $4.03
- one needed
- Also used by Z24 and KA24E
- superceeded 11057-H5700?
A12: Long middle bolt marked 'T'
A14: Long middle bolt marked '13'
Hi-torque bolts marked "13" on the head. Remove the valve cover to verify.
head bolts Cro-Mo-V steel 13T
Lock Washer
- 11058-H1000 WASHER-LOCK FIXING CYLINDER HEAD -8504 $2.28
- 11058-21002 Washer Cyl Head 8504- $2.57