Connecting Rod Cap Disassembly Note; Main Bearing Cap Disassembly Note; Cylinder Head Inspection - Mazda 2006-2008 RX7 Engine Workshop Manual

Connecting Rod Cap Disassembly Note

1. Before removing connecting rod inspect the connecting rod side clearance. (See 01–10–20 CONNECTING
ROD INSPECTION.)
2. Remove the connecting rod bolt from the connecting rod cap by tapping the bolt with a plastic hammer.
Note
• The tappets are numbered to make sure they are assembled in their original positions. When removed,
keep the tappets with the cylinder head they were removed from. Do not mix the tappets.

Main Bearing Cap Disassembly Note

1. Before removing main bearing cap inspect the crankshaft end play. (See 01–10–19 CRANKSHAFT
INSPECTION.)
2. Loosen the main bearing cap bolts in two or three
steps in the order shown in the figure.
End Of Sie

CYLINDER HEAD INSPECTION

1. Perform color contrast penetrate examination on the cylinder head surface.
• Replace the cylinder head if necessary.
2. Inspect for the following and repair or replace if necessary.
(1) Sunken valve seats
(2) Excessive camshaft oil clearance and end play
3. Measure the cylinder head for distortion in six
directions as shown in the figure.
• If it exceeds the maximum specification,
replace the cylinder head.
Cylinder head gasket contact surface
distortion (Maximum)
0.10 mm {0.004 in}
4. Measure the manifold contact surface distortion
as shown in the figure.
• If it exceeds the maximum specification, grind the surface or replace the cylinder head.
Manifold contact surfaces distortion (Maximum)
0.10 mm {0.004 in}
Manifold contact surfaces distortion (Maximum grinding)
0.15 mm {0.006 in}
MECHANICAL
EX
IN
2
6
10 8
4
1 9
5 7 3
01–10–11
01–10
B3E0110E067
E5U011010100E01
B3E0110E008
C3U0110E003