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SEBU8430
2. Loosen the cooling system filler cap slowly in
order to relieve any pressure. Remove the cooling
system filler cap.
Note: Drain the coolant into a suitable, clean
container. The coolant can be reused.
3. Drain the coolant from the cooling system to a
level that is below the hose that is being replaced.
4. Remove the hose clamps.
5. Disconnect the old hose.
6. Replace the old hose with a new hose.
7. Install the hose clamps with a torque wrench.
8. Refill the cooling system.
9. Clean the cooling system filler cap. Inspect the
cooling system filler cap's gaskets. Replace
the cooling system filler cap if the gaskets are
damaged. Install the cooling system filler cap.
10. Start the engine. Inspect the cooling system for
leaks.
Ignition System Spark Plugs -
Inspect/Replace
Table 21
Required Tools
Part
Tool
Number
484/49
A
Spark plug removal tool
Inspect the Spark Plug
Inspect the spark plug closely for damage. The
condition of the spark plug can indicate the operating
condition of the engine.
i02887646
Part Name
Qty
1
Ignition System Spark Plugs - Inspect/Replace
Illustration 47
1. Remove the lead (1) for the spark plug from the
ignition coil.
2. Install tooling (A). Remove the spark plug (2).
Replace the Spark Plug
The spark plug is not a serviceable part. A
replacement spark plug must be used.
Table 22
Required Tools
Part
Tool
Number
Cylinder head spark plug
27610178
B
thread cleaning tool
Ensure that the threads in the cylinder head are not
damaged. Clean the threads in the cylinder head by
using tooling (B).
Install the spark plug by using tooling (A). Tighten the
spark plug by hand and then tighten the spark plug to
a torque of 50 N·m (36 lb ft).
On the initial start-up of a new engine or an engine
that has been serviced, it is possible for condensation
to have built up in the spark plugs. If this occurs, refer
to this manual, "Cold Weather Starting".
57
Maintenance Section
g01507793
Part Name
Qty
1
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