Remove the valves.
Measure the valve in these areas.
Intake Valve Dimensions
|
A Standard (New): |
27.85пјЌ28.15 mm (1.0965пјЌ1.1083 in) |
|
B Standard (New): |
118.55пјЌ119.15 mm (4.6673пјЌ4.6909 in) |
|
C Standard (New): |
5.48пјЌ5.49 mm (0.2157пјЌ0.2161 in) |
|
C Service Limit: |
5.45 mm (0.2146 in) |
Exhaust Valve Dimensions
|
A Standard (New): |
22.85пјЌ23.15 mm (0.8996пјЌ0.9114 in) |
|
B Standard (New): |
117.25пјЌ117.85 mm (4.6161пјЌ4.6398 in) |
|
C Standard (New): |
5.45пјЌ5.46 mm (0.2146пјЌ0.2150 in) |
|
C Service Limit: |
5.42 mm (0.2134 in) |

Engine Block Drain Bolt/Sealing Bolt Installation
NOTE:
When installing the drain bolt (A), always use a new washer.
When installing the sealing bolt(s) (B), always use a new bolt(s) and
washer(s) (C).
...
CMP Pulse Plate Removal and Installation
Removal
Remove the air cleaner.
Remove the intake manifold chamber.
Disconnect the following engine wire harness connectors, and remove the
wire harness clamps ...
Reassembly
Install the upper spring seat (A) to the upper spring seat clip (B).
NOTE: Make sure to securely set the upper spring seat to the hook (C) on
the spring seat clip.
...