EGT PROBE INSTALLATION
WARNING When installing the EGT (Exhaust Gas
Temperature) Thermocouple, wear eye protection and protective
clothing to protect from getting metal chips in your eyes. Also,
since exhaust manifolds can be very hot, allow the engine to cool
before drilling. When working under the vehicle, make sure the
park brake is set.
Required Tools
- Electric/Cordless Drill
- 1/8” drill bit or similar size (for pilot hole)
- 21/64” (best size) or 5/16” drill bit
(for fi nal hole)
- 9/16” wrench or socket
- 5/8” open end wrench
- 1/8”-27 NPT Thread Tap
- Phillips screwdriver
- 5/16” or 8mm wrench
Supplied Items Qty
1 EGT Probe..................................(1)
2 Shrink Tube................................(2)
CAUTION: One effective way to avoid metal fragment contami-
nation in your engine manifold is to apply grease in the tip of
the drill bit and threads of your tap tool when drilling/tapping
the hole in your manifold. Reduce pressure on the drill when the
drill breaks through the manifold wall to reduce risk of pushing
metal chips into the manifold.
TAPPING AND PROBE INSTALLATION
1. Obtain a 1/8”-27 NPT Thread Tap available from your local
hardware store.
2. Drill a 21/64” (5/16” optional) hole through the manifold wall.
3. Use the pipe tap to cut the threads in accordance to the pipe tap
manufacturer’s instructions and recommendations.
4. Remove the fi tting from the Thermocouple and install by tight-
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