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| Release hose clips -2- and -3-, and pull coolant hoses off. |
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| Unscrew bolts -arrows- and pull front coolant pipe out of 4/2-way valve. |
Installation is carried out in reverse sequence; note the following: |
Note t
| Renew gaskets, seals and O-rings. |
t
| Hose connections and air pipes and hoses must be free from oil and grease before fitting. |
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| Clean or smoothen sealing surface for O-ring. |
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| Moisten O-ring with coolant and slide onto front coolant pipe. |
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| Push front coolant pipe into 4/2-way valve. |
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| Fill coolant system with coolant → Chapter. |
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