Mazda 2006-2008 RX7 Engine - Page 39

MECHANICAL
01–10–25
01–10
Engine Workshop Manual LF L3 (1866–1U–05H)
Revised 12/2005 (Ref. No. R145/05)
15. Install a new washer.
16. Install the exhaust camshaft sprocket.
Note
• Do not tighten the bolt for the camshaft
sprocket during this step. First confirm the
valve timing, then tighten the bolt.
17. Install the SST to the camshaft as shown in the
figure.
18. Remove the M6 × 1.0 bolt from the engine front
cover to apply tension to the timing chain.
19. Turn the crankshaft clockwise so that the
crankshaft is in the No.1 cylinder TDC position.
20. Hold the exhaust camshaft using a suitable
wrench on the cast hexagon as shown in the
figure.
21. Tighten the exhaust camshaft sprocket lock bolt.
Tightening torque
69—75 N·m {7.1—7.6 kgf·m, 50.9—55.3 ft·lbf}
22. Remove the SST from the camshaft.
23. Remove the SST from the block lower blind plug.
24. Rotate the crankshaft clockwise two turns until
the TDC position.
• If not aligned, loosen the camshaft sprocket
lock bolt and repeat from Step 17.
R
D3U110ZE4012
EXHAUST
CAMSHAFT
SPROCKET
B3E0110E097
303-465
(49 UN30 3465)
C3U0110E066
B3E0110E095