Article No. 01-11-6 Cont’d.
FLUSH AND FILL PROCEDURE RECOMMENDED 14. Remove lower radiator hose from radiator and
TOOLS discard clamp.
The tools shown in Figure 1 are referenced 15. Clean core plug bores in cylinder block with
throughout the technical Instruction to facilitate the sand paper drum (Fine 150-grit 1.5″ dia.).
flush procedures. Tools should be obtained locally. Ensure all Loctite and rust is removed from
core plug bore.
FLUSH AND FILL PROCEDURE
16. Lower vehicle.
NOTE
17. Connect garden hose to heater return hose
POSITION THE VEHICLE ON A HOIST WHERE A
using adapter (Figure 4).
GARDEN HOSE CAN BE USED AND COOLANT
CAN BE DISCARDED.
18. Turn garden hose on full pressure.
WARNING
19. Flush engine/heater core for ten (10) minutes.
COOLANT MAY BE HOT. REMOVE COOLANT
Water will drain out of core plug holes.
PRESSURE RELIEF CAP.
20. Disconnect garden hose from heater return
1. Raise vehicle on hoist.
hose.
2. Remove splash shield.
21. Insert garden hose into upper radiator hose
(Figure 5).
3. Remove Radiator draincock and completely
drain and discard coolant.
22. Flush radiator for two (2) minutes. Water will
drain out of lower radiator hose connection and
4. Lower vehicle.
draincock.
5. Loosen alternator brace retaining nuts and
23. Remove garden hose from upper radiator hose.
position brace away from heater return hose
(Figure 2).
24. Insert garden hose into coolant recovery bottle
(Figure 6).
6. Turn Heater and Blower Switches to off.
25. Flush coolant recovery bottle for four (4)
7. Disconnect heater return hose from water pump
minutes. Water will drain out of lower radiator
and discard clamp.
hose.
8. FOR 96, 97 AND SOME 98 MODEL YEAR
26. Remove garden hose from coolant recovery
VEHICLES PROCEED WITH THE SEDIMENT
bottle. Let cooling system completely drain
AND CHEMICAL FLUSH PROCEDURES. FOR
before proceeding to next step.
99 MODEL YEAR, COMPETE THE CHEMICAL
FLUSH PROCEDURE ONLY.
27. Remove clamping pliers from coolant by-pass
hose.
SEDIMENT FLUSH PROCEDURE
28. Install new screw clamp on upper radiator hose.
9. Disconnect upper radiator hose from thermostat
Connect upper radiator hose to thermostat
housing and discard clamp.
housing and tighten clamp.
10. Using clamping pliers, clamp off coolant
29. Raise and support vehicle.
by-pass hose at center of hose (Figure 3).
30. Lubricate O-rings of new engine core plugs
11. Raise and support vehicle.
(-6C057-) with silicone dielectric grease
12. Remove engine block core plug located next to
(WA-10).
the oil filter. On the opposite side of the engine
31. Install left and right bank front engine core
block, there are two core plugs; remove the
plugs. Index dimples on the plugs to 12 o’clock
engine block core plug closest to the water
position. (Figure 7).
pump.
NOTE
13. Remove lower radiator support bracket that
DO NOT OVER TORQUE.
covers lower radiator hose.
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