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| Check the fastener -G- (Fitted to the junction or expansion valve, not fitted to all junctions) and the hose -H- for correct seating and damage. |
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| Lightly oil the O-rings with oil from the refrigerant circuit just before fitting → Chapter. |
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| Ensure that the O-ring seals seat correctly into the groove -F- in the tubes of the refrigerant. |
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| Install refrigerant pipes such that they are not strained. |
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| Depending on the vehicle equipment and the engine fitted, thermal insulation is fitted to the coolant tubes, which should not be damaged and should be re-installed after fitting |
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| Check the fitting position of the coolant tubes to the expansion valve (should not be supported by other parts) and check the position and condition of other thermal insulation if existing on the coolant tubes (certain engines do not require them). |
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