Question about 1991 Chevrolet Beretta

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I need to know where the hoses go from the heater core?

I just bought a 91 chevy beretta and the heatre core is not hooked up, i have 2 lines coming from the fire wall, but i dont know where they go, the coolint is fine, and the tempture is good, i need the route that the hoses go,

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  • lawrencet17 Feb 04, 2009




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Have had the same problem with a Corsica.The reason they bypassed the heater core is that it had a hole in it.Reccomend filling with water prior to hooking up hoses.

Posted on Feb 04, 2009


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How do I cange the heater core in my 1995 Chevy Berretta

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Good luck, and rated the help!!!
REMOVAL & INSTALLATION CAUTION When draining the coolant, keep in mind that cats and dogs are attracted by ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

For heater core removal on these vehicles, please refer to the procedure for vehicles with A/C.
1994-96 VEHICLES
See Figures 1, 2 and 3
  1. Properly disable the SIR system, as outlined earlier in this section.
  2. Disconnect the negative battery cable.
  3. Drain the cooling system into a suitable container.
  4. Raise and safely support the vehicle.
  5. Disconnect the drain tube from the heater case.
  6. Detach the heater hoses from the heater core.
  7. Carefully lower the vehicle.
  8. Remove the right and left sound insulators.
  9. Remove the steering column opening filler.
  10. Remove the floor air outlet duct.
  11. Remove the heater core cover.
  12. Unfasten the heater core mounting clamps, then remove the heater core from the vehicle.
Fig. 1: The heater core is located in the passenger's side footwell, below the glove compartment

Fig. 2: Exploded view of the heater core and related components (1 of 2) - 1994-96 vehicles

Fig. 3: Component list for the heater core and related system components (2 of 2) - 1994-96 vehicles

To install:
  1. Position the heater core in the vehicle and secure with the mounting straps.
  2. Install the heater core cover.
  3. Install the floor air outlet duct.
  4. Install the right and left sound insulators.
  5. Install the steering column opening filler.
  6. Raise and safely support the vehicle.
  7. Connect the heater hoses to the heater core.
  8. Attach the drain tube to the heater case.
  9. Carefully lower the vehicle.
  10. Connect the negative battery cable.
  11. Enable the SIR system, as outlined earlier in this section.
  12. Connect the negative battery cable, then start the engine and check for coolant leaks. Check the coolant level, and add if necessary.

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