Question about 2000 Chevrolet Astro

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Which is the heater intake?

Which is the heater intake hose on a 2000 Chevy Astro? can't visually follow the hoses to the engine

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There are 2 hoses that go thru the firewall on the passenger side. One carries hot water from the engine water jacket, to heat the core, and the other brings the water back to the radiator. Follow the hoses to see which one goes to the radiator and the other will be the heater intake. Another way to tell, with the heat on, the hotter of the 2 will be the intake.

Posted on Oct 06, 2009

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1 Answer

How to replace the heater core to a chevy astro 2003


  1. Drain the engine coolant.
  2. Reposition the outlet heater hose clamp at the heater core.
  3. Remove the outlet heater hose from the heater core.
  4. Reposition the inlet heater hose clamp at the heater core.
  5. Remove the inlet heater hose from the heater core.
  6. Remove the screws that retain the cover to the heater case assembly. This is located underneath the dash on the passenger side.
  7. Remove the straps that retain the heater core to the heater case assembly.
  8. Remove the heater core from the vehicle.

Sep 05, 2011 | 2002 Chevrolet Astro

1 Answer

Where is the thermostate located in a 2000 chev astro van


Simply follow the top radiator hose back to the engine, the thermostat is under the water inlet (the part the top radiator hose connects to).

Hope this helps.

Jan 17, 2011 | 2000 Chevrolet Astro

1 Answer

How do i replace the head gasket in a 2000 dodge durango.


3.9L, 5.2L, and 5.9L Engines To Remove:
3.9L Engine dod_trk_39l_cylinder_head.gif
  1. Before servicing the vehicle, refer to the precautions at the beginning of this section.
  2. Remove or disconnect the following:
    • Battery negative cable
    • Coolant
    • Intake manifold-to-alternator bracket support rod
    • Alternator
    • Closed crankcase ventilation system
    • Evaporation control system
    • Air cleaner, air in-let hose and resonator
  3. Release fuel system pressure.
  4. Remove or disconnect the following:
    • Fuel supply line from the fuel rail
    • Accelerator linkage and, the speed control and transmission kickdown cables (if equipped)
    • Distributor cap and wires
    • Coil wires
    • Coolant temperature sending unit wire
    • Heater hoses and bypass hose
    • Vacuum supply hoses from the intake manifold (3.9L Engine)
    • Fuel injector harness and secure out of the way (3.9L Engine)
    • Cylinder head covers and gaskets
    • Intake manifold and throttle body as an assembly
    • Exhaust manifolds
    • Rocker arm assemblies and push rods, and identify to ensure installation in original locations.
    • Head bolts from each cylinder head and remove cylinder heads
    • Spark plugs
To Install:
  1. Install or connect the following:
    • New cylinder head gaskets into position on the cylinder block
    • Cylinder heads onto head gaskets and cylinder block
  2. Tighten all cylinder head bolts, starting at top center and in sequence
    1. Torque to: 50 ft. lbs. (68 Nm)
    2. Repeat and Torque to: 105 ft. lbs. (143 Nm)
    CAUTION
    When tightening the rocker arm bolts, ensure that the piston in that cylinder is NOT at TDC.
  3. Install or connect the following:
    • Push rods and rocker arm assemblies in their original positions.
      1. Torque to: 21 ft. lbs. (28 Nm)
    • Intake manifold and throttle body assembly
    • Exhaust manifolds
    • Spark plugs
      1. Torque to: 30 ft. lbs. (41 Nm)
    • Coil wires
    • Coolant temperature sending unit wire
    • Fuel injector harness (3.9L Engine)
    • Vacuum supply hoses to the intake manifold (3.9L Engine)
    • Heater hoses and bypass hose
    • Distributor cap and wires
    • Accelerator linkage and the speed control and transmission kickdown cables
    • Fuel supply line.
    • Alternator and accessory drive belt.
      1. Alternator bolt - Torque to: 30 ft. lbs. (41 Nm)
    • Intake manifold-to-alternator bracket support rod and bolts
    • Cylinder head covers
    • Closed crankcase ventilation system
    • Evaporation control system
    • Resonator assembly (3.9L Engine), air in-let hose and air cleaner
    • Heat shields
      1. Torque to: 30 ft. lbs. (41 Nm)
    • Coolant
    • Negative battery cable.
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Oct 14, 2010 | 2000 Dodge Durango

1 Answer

How to replace a heater core in a 2002 chevy astro van


Heater Core Removal & Installation To Remove:
  1. Drain the engine coolant.
  2. Release and reposition the outlet heater hose clamp at the heater core.
  3. Remove the outlet heater hose from the heater core.
  4. Release and reposition the inlet heater hose clamp at the heater core.
  5. Remove the inlet heater hose from the heater core.
  6. Remove the screws that retain the cover to the heater case assembly.
  7. Remove the straps that retain the heater core to the heater case assembly.
  8. Remove the heater core from the vehicle.
To Install:
  1. Installation is the reverse of removal.
  2. Refill the cooling system.
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Aug 12, 2010 | 2002 Chevrolet Astro

2 Answers

I did the intake gaskit and now the heater doesent work


have you fitted the pipes back on in the wrong order,is coolant level up??

Jan 09, 2010 | 2000 Chevrolet Astro

1 Answer

I have a 2000 Chevy Astro that only blows out the defroster vents


It is a 90% chance the plastic vacuum line to the heater control from the engine has broken.
Remove the air filter housing and the rubber hose from the engine to the air filter housing.
Look for a small black plastic tube coming from the pass side fire wall going back across the engine to the drivers side middle of engine.
Look for a broken section and repair with small rubber tubing.
Once the engine is started.....vacuum is restored to the heater control....and it should work as new.

Sep 30, 2009 | 2005 Chevrolet Silverado

2 Answers

Water leak on the back side of my motor


could be heater hoses, intake gasket, head gasket

Sep 13, 2009 | 2000 Chevrolet Silverado 1500

3 Answers

I need a vacuum line schematic for a 2003 Chevy Astro Van. My AC only blows out of the defroster vents. I've replaced 2 lines so far but it has not fixed the problem yet.


Replace the complete heater control vacuum line over the motor with rubber vacuum tubing.
The heater vacuum line connects on the drivers side of the engine halfway back on the intake manifold.Run the new line to the heater vac connection at the passenger side at the right front in the engine compartment.
I change 2 a week....this should be where your problem is.

Sep 09, 2009 | 2003 Chevrolet Astro

3 Answers

AIR FLOW STUCK IN DEFORST VENT WILL NOT SWITCH TO FLOOR OR AC VEN


I found a broken vacuum hose on top of the intake which runs the controls

May 07, 2009 | 2000 Chevrolet Astro

1 Answer

Need to change thermostat in 01' Chevy Astro Van


It is located where the big hose comming out of your radiator connects to top of engine. Remove hose from engine your thermostat is undernieth

Nov 15, 2008 | 2001 Chevrolet Astro

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