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STEP 1:
Remove protector cap just prior to installation
STEP 2:
If not already coated, apply (enclosed) anti-seize to oxygen sensor threads
STEP 3:
Install sensor body ensuring lead wire is not twisted or bent
STEP 4:
Install all sensors with new gasket supplied & torque to proper specs as below:
M18 sensors - Install finger tight then 1/2 - 3/4 turn with wrench / O2 sensor socket 26-33ft. lbs.
M12 sensors - Install finger tight then 3/4 - 1 turn with wrench / O2 sensor socket 13.2-17ft. lbs.
a) Flanged applications- (where flange is NOT already installed on sensor) Install flange to exhaust manifold first, then mount sensor in flange (copper gasket is bonded to the flange & no additional gasket is required)
b) Flanged applications- (where flange is already installed on sensor)
(It is important to use the supplied gasket before installing sensor)
STEP 5: Connect and route lead wire as originally installed