Dodge Colt/Challenger/Conquest/Vista 1971-1989 Repair Guide

Radiator

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REMOVAL & INSTALLATION





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Fig. Fig. 1 Cutaway view of the cooling system on the 1597cc engine



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Fig. Fig. 2 After the coolant is drained, loosen the upper radiator hose



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Fig. Fig. 3 Separate the hose from the upper radiator inlet



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Fig. Fig. 4 Disconnect the overflow hose



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Fig. Fig. 5 On the electric fan types, disconnect the wiring leading to the fan



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Fig. Fig. 6 On automatic vehicles, disconnect the transmission cooler lines leading to the radiator



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Fig. Fig. 7 Remove the lower outlet radiator hose



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Fig. Fig. 8 Unbolt the radiator from the mounting brackets



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Fig. Fig. 9 Lift the unit out of the engine compartment



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Fig. Fig. 10 On models with an electric fan, unbolt the housing



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Fig. Fig. 11 Lift the fan unit off the radiator as an assembly


CAUTION
The electric cooling fan may operate when the engine is turned off, or at various times when the engine is running. Be careful when working around the fan. Disconnect the negative battery cable when servicing the cooling system components.

  1. Disconnect the negative battery cable. Remove the splash panel from the bottom of the car. Drain the radiator by opening the petcock. Remove the shroud on models so equipped. On front wheel drive models disconnect the fan motor wiring harness.
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CAUTION
When draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.

  1. Disconnect the radiator hoses at the engine. On automatic transmission cars, disconnect and plug the transmission lines to the bottom of the radiator. On models that have an expansion tank be sure to disconnect the feed hose.
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  3. Remove the two retaining bolts from either side of the radiator. Lift out the radiator. On models with an electric cooling fan, the fan and motor may usually be left attached to the radiator and be removed with the radiator as one unit.
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  5. Install the radiator, connect the hoses, install the electric cooling fan, make sure the petcocks are closed and fill the system with the proper coolant mixture. Tighten the retaining bolts gradually in a criss-cross pattern.
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