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Diagram of location of the orifice tube on a 2002 ford escort

The tube is at the inlet to the evaporator core at the engine bulkhead. Disconnect the smaller of the 2 AC lines to locate it. In the picture below the line that you need to disconnect is the lower one in the picture of the AC compressor hose assembly.


Jul 26, 2016 | 2002 Ford Escort

1 Answer

Orifice tube install

how did you discount the compressor?
is it turning?
is the fan blowing
is the compressor clutch closed.? and the compressor shaft spinning at full speed.>?

the evap core is covered in all FSM for this car. and and at
its not a tube its an expansion VALVe

ill first list the exp, valve steps (then the harder part)
  1. Disconnect the negative battery cable.
  2. Discharge the air conditioning system.
  3. Remove the evaporator assembly from the vehicle.
  4. Remove the clamps to separate the upper and lower halves.
  5. Using backup wrenches, remove the expansion valve from the evaporator.
now the part about #3 list

  1. Disconnect the negative battery cable.
  2. Discharge the air conditioning system.
  3. Remove the glove compartment, as required.
  4. Disconnect all electrical wiring and cables from the blower case.
  5. Remove the blower case retaining bolts and case assembly.
  6. Disconnect and plug the inlet and outlet lines to the evaporator.
  7. Remove the upper and lower housing retaining bolts and remove the evaporator assembly from the vehicle.
  8. Separate the case housing and remove the evaporator core.

May 23, 2014 | 1995 Geo Metro

1 Answer

Compressor not function yukon 2005

on the dryer there is a switch with 2 wires, disconnect connector and bypass the two terminals with engine running you will hear compressor clutch click and engage...if yes feel low pressure tube for cold ..if it does the switch is defect if not low Freon in system
hope it helps

Mar 24, 2014 | GMC Sierra 1500 Cars & Trucks

1 Answer

99 saturn ac compressor makes noise

kinda rough indicates excessive gas in the system or excessive high pressure
the orifice tube is in the evaporator ( TX valve)
best if you take it to an accredited ac professional and have the pressures tested with gauges

Jan 06, 2018 | 1998 Saturn SL

1 Answer

Cant find orifice tube

Hi, welcome to my name is Shawn and I will be answering your question.

  1. Reclaim the refrigerant. For additional information, refer to Section 412-00
  1. NOTE: Do not drain the power steering system or disconnect any hoses.
    Disconnect the power steering fluid container and place to one side.
  1. Disconnect the A/C line and place it above.
  1. Remove the orifice tube.
    • Guide the tool into the line and hook it into the orifice tube.
    • Turn the nut in a clockwise direction and pull the orifice tube out.

I hope my assistance helped you and resolved your concern, if you need further assistance please ask.

Aug 08, 2011 | 1999 Mercury Mystique

1 Answer

Need to do oil change. can not find oil pan. where is it located

1. Remove the upper radiator hose. Remove the wiper module and support bracket.

  1. Disconnect and plug the compressor outlet hose at the compressor and remove the bolt retaining the hose assembly to the right coil bracket. Cap the compressor outlet.
  2. Remove the engine harness connector from the retaining bracket on the brake vacuum booster and detach the connector and transmission harness connector.
  3. Disconnect the throttle valve cable from the throttle body and disconnect the heater outlet hose.
  4. Remove the nut retaining the ground strap to the right cylinder head. Remove the upper stud and loosen the lower bolt retaining the heater outlet hose to the right cylinder head and position out of the way.
  5. Remove the blower motor resistor. Remove the bolt retaining the right engine mount to the lower engine bracket.
  6. Disconnect the vacuum hoses from the EGR valve and tube. Remove the 2 bolts retaining the EGR valve to the intake manifold.
  7. Raise and safely support the vehicle. Drain the crankcase and remove the engine mount through bolts.
  8. Remove the EGR tube line nut from the right exhaust manifold and remove the EGR valve and tube assembly.
  9. Disconnect the exhaust from the exhaust manifolds. Lower the exhaust system and support it with wire from the crossmember.
  10. Position a jack and a block of wood under the oil pan, rearward of the oil drain hole. Raise the engine approximately 4 in. and insert 2 wood blocks approximately 2 1 / 2 in. thick under each engine mount. Lower the engine onto the wood blocks and remove the jack.
  11. Remove the 16 bolts retaining the oil pan to the engine block and remove the oil pan.

It may be necessary to loosen, but not remove, the 2 nuts on the rear transmission mount and with a jack, raise the transmission extension housing slightly to remove the pan.
  1. If necessary, remove the 2 bolts retaining the oil pickup tube to the oil pump and remove the bolt retaining the pickup tube to the main bearing stud spacer. Remove the pickup tube.


Fig. 3: Oil pan bolt torque sequence-4.6L engine (click over pic fo zoom).

Hpe helps (remember to rate this).

Oct 05, 2010 | 1994 Mercury Grand Marquis

2 Answers

How to repair a/c on a ford f250 where does the orifice tube go

It should be in the ac line going to the firewall,the small ac line,look right where the connection is,either a quick disconnect,or a nut,most likely a quick disconnect,there is a swelled place where the orifice tube goes,use a needle nose plier to remove and install the orifice tube,If this was at all helpful,please rate.

Jul 17, 2010 | 1990 Ford F250

1 Answer

How to replace head gasket on 1999 2.5 cyl ford ranger

Cylinder Head Removal
  1. Disconnect the battery ground cable
  2. Relieve the fuel pressure.
  3. Drain the cooling system. Disconnect the three way catalytic converter Loosen the water pump pulley bolts.
  4. Remove the drive belt.
  5. Remove the water pump pulley, fan and clutch assembly.
  6. Remove the intake manifolds
  7. Remove the ignition wires from the spark plugs .
  8. Remove the spark plugs; .
  9. Remove the oil level indicator tube
    • Remove the bolt.
    • Remove the oil level indicator tube.
    • Remove the EGR valve to exhaust manifold tube
    1. Remove the valve cover
    1. Remove the drive belt .
    1. Recover the A/C refrigerant; refer to Disconnect the engine control wiring from the A/C compressor
    2. Remove the A/C compressor mounting bracket (2882) with the power steering pump (3A674) attached and position out of the way.
    3. Disconnect the engine control sensor wiring connector from the generator
    4. Disconnect the (1) lower radiator hose and the (2) water pump inlet tube
    5. Remove the upper radiator hose
    6. Remove the water pump inlet tube.
      • Remove the bolts.
      • Remove the water pump inlet tube.
    7. Remove the generator.
      • Remove the bolts.
      • Remove the generator.
    8. Remove the generator mounting bracket.
      • Remove the bolts.
      • Remove the bracket.
      1. Remove the ignition wire and bracket; refer to Section 303-07A .
      1. Remove the outer timing belt cover; refer to the procedure in this section.
      1. Remove the timing chain/belt (6268); refer to Timing Drive Components—Timing Belt in this section.
      1. Remove the exhaust manifold (9430); refer to Exhaust Manifold in this section.
      1. Remove the cylinder head .
        • Remove the bolts and discard. (should get new ones)
        • Remove the cylinder head.
        • Remove the head gasket and discard.
  1. Clean all gasket mating surfaces.
  1. Install new gaskets as necessary.
    • Use new cylinder head bolts.
  1. Follow the removal procedure in reverse order.
  1. Tighten the bolts in sequence, in three stages, to 70 Nm (51 lb/ft).
    • Stage 1: Tighten all bolts to 70 Nm.
    • Stage 2: Retighten all bolts to 70 Nm.
    • Stage 3: Tighten all bolts an additional 90-100 degrees.
  2. Install generator bracket. Install bolts in four stages.
    • Stage 1: Hand-start bolt 1.
    • Stage 2: Install and tighten bolt 2.
    • Stage 3: Install and tighten bolt 3.
    • Stage 4: Tighten bolt 1.
  3. Install the A/C compressor mounting bracket. Install the bolts and the stud.
    • Tighten the M10 bolts and stud to 48 Nm (35 lb/ft).
    • Tighten the M8 bolt to 25 Nm (18 lb/ft).

Mar 10, 2010 | 1999 Ford Ranger SuperCab

1 Answer

Replace ac compressor

Service and Repair
CAUTION: When the A/C compressor is inoperative due to internal causes, clean the refrigerant system to remove any debris or contaminants to prevent damage to the replacement A/C compressor.

Replacement of the suction accumulator/drier is necessary when the A/C compressor is replaced. The A/C evaporator core orifice should be replaced whenever the A/C compressor is replaced for lack of performance, or when there is debris in the system.

  1. Recover the A/C refrigerant system following the recommended procedure. Observe all safety precautions.
  2. Drain and save the radiator coolant.
  3. Disconnect the battery ground cable.
  4. Disconnect and remove the constant control relay module.
  5. Disconnect and remove the fan and the shroud assembly.
  6. Disconnect the upper and the lower radiator hoses.
  7. Remove the radiator.
  8. Disconnect the A/C compressor clutch wire at the clutch field coil connector on the A/C compressor.
  9. Remove the top two A/C compressor mounting bolts.
  10. Raise the vehicle on a hoist.
  11. From underneath the vehicle, loosen and remove the accessory drive belt.
  12. Disconnect the Heated Oxygen Sensor (HO2S) wire connector.
  13. Remove the A/C muffler supporting strap bolt from the subframe.
  14. Disconnect the A/C manifold and tube from the inlet tube of the A/C condenser core and the outlet tube of the suction accumulator/drier using the spring lock coupling tool or equivalent. CAUTION: Immediately install protective caps on open lines.
  15. Ensure the A/C compressor is properly supported as the bolts are removed. Remove the bottom two A/C compressor mounting bolts.
  16. Remove the A/C compressor and the A/C manifold and tube assemblies from the vehicle as a unit. Remove the assembly from the bottom, using care not to scrape it against the the A/C condenser core.
  17. Remove the A/C manifold and tube from the A/C compressor.
  18. If the old A/C compressor is to be replaced with a new one, remove the A/C clutch and the field coil assembly.
  1. Service the replacement A/C compressor with the correct amount of clean Motorcraft YN-12b refrigerant oil or equivalent meeting Ford specification WSH-M1C231-B.
  2. Lubricate the new O-ring seals with clean refrigerant oil and position them in the O-ring seal grooves of the A/C manifold and tube. Use only the O-ring seals specified for the type of A/C manifold and tube being used. NOTE: When replacing an A/C compressor, use the original manifold bolt from the removed A/C compressor to attach A/C manifold and tube to new A/C compressor. Do not use the shipping cap bolts.
  3. Apply Pipe Sealant with Teflon D8AZ-19554-A or equivalent meeting Ford specification WSH-M2G350-A2 to the threads of the manifold retaining bolt.
  4. Position the A/C manifold and tube with the O-ring seals to the A/C compressor. Install the retaining bolt and tighten to 17-23 Nm (12.5-17.0 ft lb) .
  1. Install the A/C compressor and the A/C manifold and tube onto the A/C compressor mounting bracket.
  1. Using new O-ring seals lubricated with clean Motorcraft YN-12b refrigerant oil or equivalent meeting Ford specification WSH-M1C231-B, connect the A/C manifold and tube to the inlet tube of the A/C condenser core.
  2. Using new O-ring seals lubricated with clean Motorcraft YN-12b refrigerant oil or equivalent meeting Ford specification WSH-M1C231-B, connect the A/C manifold and tube to the outlet tube of the suction accumulator/drier.
  3. Install the muffler support onto the subframe.
  4. Connect the HO2S wire connector.
  5. Install the accessory drive belt.
  6. Lower the vehicle to the floor and perform the following operations from the top.
  7. Install the radiator.
  8. Connect the radiator hoses and tighten the hose clamps.
  9. Install the fan and the shroud assembly.
  10. Install and connect the constant control relay module connector.
  11. Connect the battery ground cable. NOTE: On vehicles equipped with Electronic Engine Control (EEC) , when the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the EEC processor relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the strategy.
  12. Fill the radiator with the reserved coolant.
  13. Leak-test, evacuate, and charge the A/C system following the recommended procedures.
  14. Check the A/C system for proper operation.

Dec 22, 2008 | 1999 Ford Taurus

1 Answer


You need to put more freon, if you put the right amount.
You need to check the ciclyng switch.
If you put too much freon the hight pressure switch cut of the compressor. check that too.

Jul 03, 2008 | 1996 Cadillac DeVille

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