Jeep Grand Cherokee

1993-1999 of release

Repair and operation of the car



Jeep Grand Cherokee
+ Cars of the Jeep Grand Cherokee brand
+ Settings and routine maintenance
+ Line six-cylinder engine
+ V8 engine
+ Procedures of the general and capital repairs of the engine
- Cooling systems, heating and air conditioning
   General information
   Antifreeze - the general information
   Check of functioning and replacement of the thermostat
   Check of serviceability and replacement of the fan of the cooling system and coupling of its coupling
   Check of functioning and replacement of the block of the sensor of temperature of a cooler
   Removal and installation of a radiator and broad tank of the cooling system
   Check of functioning of the water pump
   Removal and installation of the water pump
   Check of serviceability of an electric contour and replacement of components of the motor of the fan of a heater and conditioner of air
   Removal and installation of the block of the fan of a heater
   Removal and installation of assembly of management of a heater and conditioner of air
   Removal and installation of the heat exchanger of a heater
   Check of serviceability and service of systems of heating and air conditioning
   Diagnostics of system of automatic control of temperature (automatic telephone exchange) without its removal from the car
   Removal and installation of the accumulator (store) of the air conditioning system
   Removal and installation of the compressor of the air conditioning system
   Removal and installation of the condenser of the air conditioning system
   Removal and installation of a tube of the calibrated jet
   Removal and installation of the evaporator of air conditioning system
+ A power supply system and production of the fulfilled gases
+ System of electric equipment of the engine
+ Systems of decrease in toxicity of the fulfilled gases and engine management
+ Manual box of gear shifting
+ Automatic transmission
+ Transfer case
+ Coupling and transmission line
+ Brake system
+ Suspension bracket and steering
+ Body
+ System of onboard electric equipment
+ Governing bodies and methods of operation



Removal and installation of the heat exchanger of a heater

See the prevention at the beginning of the Section Removal and installation of the block of the fan of a heater.


The air conditioning system constantly is under pressure. Do not weaken nipple connections of lines and do not disconnect systems, any of components, before carrying out its discharge. Coolant has to be extorted from system in special compensatory and recovery ERA-blok at the station of dealer office or in a specialized workshop of car service. At a rassoyedineniye of lines of system surely put on goggles!

Removal

Repair of the heat exchanger of a heater of the Jeep Grand Cherokee car is the complex challenge lying outside qualification of the average amateur mechanic Rabotu it is necessary to perform very attentively, without haste. Many of unions and electric sockets of system are deeply under the dashboard and access to them is extremely limited. For extraction from the car of the block of the heater/conditioner of air it is necessary to remove all dashboard.


 PERFORMANCE ORDER

  1. On the models equipped with the air conditioner make a system discharge (see the prevention above).
  2. Disconnect a negative wire from the battery.
  3. Empty the cooling system (The head Nastroyki and routine maintenance) and disconnect hoses from inlet and final unions of the heat exchanger of a heater.
  4. Remove the console lower a steering column and remove assembly of the dashboard (Head Kuzov).
  5. Disunite the electric socket of the motor of the fan of a heater (The section Removal and installation of the block of the fan of a heater).
  6. On the models equipped with the air conditioner disconnect lines of system from the evaporator on a partition of a motive compartment. For a detachment of unions special clips are required.
  1. For stretching of a ring spring at a detachment of lines of air conditioning system it is necessary to use the special tool.
  1. Remove a broad tank (The section Removal and installation of a radiator and a broad tank of the cooling system).
  2. Remove the processor (RSM) from a partition of a motive compartment, without disuniting the 60-terminal electric socket.
  3. Delay RSM rather far to give fixing nuts of the block of the heater/conditioner of air (three behind the processor, one - over the distributor on models with the V8 engine) from hairpins on the party turned towards the engine to a partition of a motive compartment.
  1. Give nuts of fastening of a casing on the motive party to a compartment partition.
  1. Mark and disunite electric sockets of the block of the heater/conditioner of air and resistive assembly of the motor of the fan. Disconnect a vacuum hose from the vacuum motor.
  2. Pick up the drain phone of the evaporator.
  3. Remove a sleeve of an obduv of glass (over the air heater/conditioner block).
  1. Disconnect a sleeve of heating of back foot wells.
  1. Give nuts from hairpins from the party of a partition of a motive compartment turned to salon and take assembly of the heater/conditioner of air from the car.
  2. Give fixing screws and remove the heater heat exchanger, having pulled it vertically up from a casing.
  1. The heat exchanger of a heater is taken from an air heater/conditioner block casing.

Installation

 PERFORMANCE ORDER

  1. Install the heat exchanger in a casing of the heater/conditioner of air and screw screws.
  2. At installation of the heat exchanger glue laying for fixing it in the course of installation of assembly of the fan.
  3. You make installation of the remained components as it should be, the return to an order of their removal.

At installation of a casing of the fan/evaporator try not to jam wires between the case of an air inlet and the dashboard on the right side of a casing.

  1. Fill the cooling system.
  2. Make depletion, a recharge and check on leakages of the air conditioning system (if that is provided).
  3. Start the engine and check serviceability of its functioning.