2007 Mazda Mazdaspeed6 L4-2.3L TurboFACTORY OEM SERVICE PROCEDURE

Torque Specifications




Cylinder Head
Measure the length of each cylinder head bolt.
- Replace any cylinder head bolts that exceed the maximum length.

Factory service manual diagram




Cylinder head bolt length
Standard 144.7 - 145.3 mm (5.700 - 5.720 in)
Maximum 146 mm (5.748 in)

Factory service manual diagram




Tightening procedure
(1) 3 - 11 Nm (30.6 - 112 kgf.cm, 26.6 - 97.3 in.lbf)
(2) 13 - 17 Nm (1.4 - 1.7 kgf.m, 9.6 - 12.5 ft.lbf)
(3) 43 - 47 Nm (4.4 - 4.7 kgf.m, 31.8 - 34.6 ft.lbf)
(4) 88° - 92°
(5) 88° - 92°


Camshaft Bearing

Factory service manual diagram




Install the camshaft caps and temporarily tighten the camshaft cap bolts evenly in two or three passes, and then tighten the camshaft cap bolts using the following two steps, in the order shown in the figure.

Tightening procedure
(1) 5.0 - 9.0 Nm (51.0 - 91.7 kgf.cm, 44.3 - 79.6 in. lbf)
(2) 14.0 - 17.0 Nm (1.5 - 1.7 kgf.m, 10.4 - 12.5 ft. lbf)

Crankshaft Main Bearing

Factory service manual diagram




Tightening procedure
(1) Apply engine oil to all bolts.
(2) 3 - 7 Nm (30.6 - 71.3 kgf-cm, 26.6 - 61.9 in lbf)
(3) 23 - 27 Nm (2.4 - 2.7 kgf-m, 17 - 19.9 ft lbf)
(4) 38 - 42 Nm (3.9 - 4.2 kgf-m, 28.1 - 30.9 ft lbf)
(5) Loosen all the bolts (until bolts are torque-free)
(6) 3 - 7 Nm (30.6 - 71.3 kgf-cm, 26.6 - 61.9 in lbf)
(7) 18 - 22 Nm (1.9 - 2.2 kgf-m, 13.3 - 16.2 ft lbf)
(8) 87.5° - 92.5°


Crankshaft Pulley
Tightening procedure
(1) 96 - 104 Nm (9.8 - 10.6 kgf.m, 70.9 - 76.7 ft.lbf)
(2) 87° - 93°


Oil Pump

Factory service manual diagram




Tighten the oil pump bolts in two steps in the order shown in the figure.
Tightening torque
Step 1 8 - 12 Nm (82 - 122 kgf.cm, 71 - 105 in. lbf)
Step 2 17 - 23 Nm (1.8 - 2.3 kgf.m, 12.6 - 16.9 ft. lbf)


Water Pump

Factory service manual diagram



Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.