Mazda MX-3 silhouetteMX-3

CYLINDER HEAD — Torque Specifications

B2-100parts diagram

K8-ZE 1.8L V6 DOHC engine (dual cylinder heads, four camshafts).

Torque Specifications

Head cover / small bolts
5.0 - 8.8N·m
Head cover contact-surface bolts
11.3 - 14.2N·m
Camshaft cap bolts
23.1 - 25.9N·m
Cylinder head bolt threads
123 - 140N·m
Front cover / bracket bolts
7.9 - 10.7N·m
Lower bracket / cover bolts
19 - 25N·m

Valve Seal

  1. 1
    Assemble the SST so that depth L is as specified.
    Valve seal installation detail. SST tools 49 L012 001, 49 L012 002 and 49 L012 005 are shown assembled over a valve guide, with a magnified inset of the seal-press depth. A separate valve seal dimensioned 11.5mm {0.45 in} is shown bottom-right.
Depth L (IN)Intake
16.3mm {0.641 in}mm
Depth L (EX)Exhaust
13.8mm {0.54 in}mm

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