Remove the valves.
Subtract the O.D. of the valve stem, measured with a micrometer, from the I.D. of the valve guide, measured with an inside micrometer or ball gauge.
Take the measurements in three places along the valve stem and three places inside the valve guide.
The difference between the largest valve guide measurement and the smallest valve stem measurement should not exceed the service limit.
Intake Valve Stem-to-Guide Clearance
|
Standard (New): |
0.020-0.050 mm (0.00079-0.00197 in) |
|
Service Limit: |
0.08 mm (0.0031 in) |
Exhaust Valve Stem-to-Guide Clearance
|
Standard (New): |
0.050-0.080 mm (0.00197-0.00315 in) |
|
Service Limit: |
0.11 mm (0.0043 in) |
Installation
Install ECT sensor 1 (A) with a new O-ring (B).
Install the water bypass hose (C).
Remove all of the old liquid gasket from the water outlet mating
surfaces, the bolts ...
Operation in Alaska, Hawaii, Canada, and Puerto Rico
Map Coverage
All roads displayed on the map screens are
verified roads. Information in this manual
relating to “unverified” roads or areas is
not applicable.
Address and Place Entry
Screens
...
Secondary HO2S Replacement
Special Tools Required
O2 Sensor Wrench Snap-on S6176 or equivalent, commercially available
Disconnect the secondary HO2S connector (A).
Raise the vehicle on a lift.
...