DCHA Assembly
The DCHA is a supplemental heater designed to pre-heat the engine's coolant in order to supply the vehicle's occupants with heat prior to the engine reaching operating temperature. The DCHA assembly mounts underneath the vehicle on the left side floor pan near the front door opening. The DCHA assembly connects to the vehicle's heater hoses and has a fuel supply line that connects to the vehicle's fuel tank.
The DCHA assembly consists of a:
- combustion air fan assembly
- burner housing
- burner insert
- control unit/heat exchanger
- combustion chamber
- dosing pump