A/c Compressor Oil Checking Hyundai Elantra I

COMPRESSOR APPLICATION

Note. For compressor applications, see COMPRESSOR APPLICATIONS TABLE below. DO NOT exceed A/C system refrigerant oil capacity, when servicing system. See REFRIGERANT OIL & REFRIGERANT SPECIFICATIONS TABLE.

Note. Due to late changes, always refer to underhood A/C specification label in engine compartment or A/C compressor label while servicing A/C system. If A/C Specification Label and specifications in this article differ, always use label specifications.

COMPRESSOR APPLICATION

REFRIGERANT OIL & REFRIGERANT CAPACITY

REFRIGERANT OIL & REFRIGERANT CAPACITY

ISOLATING COMPRESSOR

Note. Only compressors with stem-type service valves can be isolated.

1. Connect service gauge set to the compressor service valves and open compressor valves slightly (clockwise). Start engine and operate air conditioning. Slowly turn compressor suction valve clockwise toward closed (front-seated) position.
2. When suction pressure is reduced to zero or less, turn off engine and compressor, and quickly turn suction valve stem to full front-seated position. Suction pressure should be slightly greater than zero. Turn discharge valve to front-seated position.
3. To check oil level, slowly open compressor crankcase plug to relieve any remaining pressure. After oil level is corrected, cap service gauge ports on both valves. Back-seat suction service valve to allow refrigerant to enter compressor. Open discharge valve halfway.
4. Loosen discharge service valve cap, allowing refrigerant pressure to force air out of compressor. Back-seat service valve and tighten cap. Compressor is now ready for operation.

REFRIGERANT OIL

Only NEW, pure, moisture-free refrigerant oil should be used in the air conditioning system. This oil is highly refined and dehydrated so moisture content is less than 10 parts per million. The oil container must be tightly closed at all times when not in use, or moisture from the air will be absorbed into the refrigerant oil.

SERVICING PRECAUTIONS

Note. Discharge A/C system using approved refrigerant recovery/recycling equipment. DO NOT allow refrigerant to enter the atmosphere. Always follow recovery/recycling equipment manufacturer's instructions.

DISCHARGING SYSTEM

If compressor has stem-type service valves, it can be isolated and removed without discharging entire system. See ISOLATING COMPRESSOR. Otherwise, discharge system completely before loosening any fittings.

DISCONNECTING LINES & FITTINGS

After system is discharged, carefully clean area around all fittings to be opened. Always use 2 wrenches when tightening or loosening fittings. Some refrigerant lines are connected with a coupling. Special tools may be required to disconnect lines. Cap or plug all openings as soon as lines are removed. DO NOT remove caps until connections of lines and fittings are completed.

Note. All R-134a based systems use 1/2-16 ACME threaded fittings.

CONNECTING LINES & FITTINGS

Note. Different fittings and connections are used on systems using HFC-134a refrigerant. Ensure all replacement parts match the connections of the system being worked on.

Always use a new gasket or "O" ring when connecting lines or fittings. Coat "O" ring with refrigerant oil and ensure it is not twisted during installation. Always use 2 wrenches to prevent damage to lines and fittings.

PLACING SYSTEM IN OPERATION

After component service or replacement has been completed and all connections have been made, evacuate system thoroughly with a vacuum pump. Charge system with proper amount of refrigerant and perform leak test. See REFRIGERANT OIL & REFRIGERANT SPECIFICATIONS TABLE for system capacities. Check all fittings that have been opened. After system has been leak tested, check system performance.

Note. Most compressors are pre-charged with a fixed amount of refrigerant (shipping) oil. Drain compressor oil from new compressor and add refrigerant oil to new compressor according to amount removed from old compressor. Always refer to underhood A/C Specification Label or A/C compressor label while servicing A/C system.

ROTARY VANE

1. Before checking and adjusting oil level, operate engine at 1200 RPM, and set controls at maximum cooling and high blower motor speed for 10 minutes to return oil to compressor.
2. Stop engine. Discharge refrigerant and remove compressor from vehicle. See SERVICING PRECAUTIONS at beginning of article. Drain compressor oil through compressor discharge port and measure oil amount.
3. If amount drained is less than 3 ounces, conduct leak tests at system connections. Repair or replace faulty parts as necessary. Check purity of oil and adjust oil level as follows.
4. If amount drained is 3 ounces or more, oil level is okay. Fill with same amount drained, using new oil. If amount drained is less than 3 ounces, pour in 3 ounces of new refrigerant oil.

COMPONENT REFRIGERANT OIL CAPACITIES (ATSUGI ROTARY VANE)

6-CYLINDER

1. Before checking and adjusting oil level, operate compressor at engine idle speed, and set controls at maximum cooling and high blower motor speed for 20-30 minutes to return oil to compressor.
2. Stop engine and discharge refrigerant. See SERVICING PRECAUTIONS at beginning of article. Remove refrigerant oil level inspection plug on side of compressor. Oil should be at lower lip of threaded hole. If oil level is low, add new refrigerant oil as necessary. Replace inspection plug and tighten to 10-12 ft. lbs. (14-16 N.m).

V5 5-CYLINDER

1. Before checking and adjusting oil level, operate engine at 1000-1500 RPM, and set controls at maximum cooling and high blower motor speed for 10 minutes (20 minutes on Subaru) to return oil to compressor.
2. Stop engine. Discharge refrigerant and remove compressor from vehicle. See SERVICING PRECAUTIONS at beginning of article. Drain compressor oil from compressor discharge port and measure oil amount.
3. If amount drained is less than 3.2 ounces, conduct leak tests at system connections. Repair or replace faulty parts as necessary. Check purity of oil and adjust oil level as follows.
4. If amount drained is 3.2 ounces or more, oil level is okay. Fill with same amount drained, using new oil. If amount drained is less than 3.2 ounces, pour in 3.2 ounces of new refrigerant oil.

COMPONENT REFRIGERANT OIL CAPACITIES (CALSONIC V5)

1. Before checking and adjusting oil level, operate engine at 1200 RPM, and set controls at maximum cooling and high blower motor speed for 10-20 minutes to return oil to compressor.
2. Stop engine. Discharge refrigerant and remove compressor from vehicle. See SERVICING PRECAUTIONS at beginning of article. Drain compressor oil from compressor discharge port and measure oil amount.
3. If amount drained is less than 2.4-3.0 ounces (1.7 ounces on Geo Storm), conduct leak tests at system connections. Repair or replace faulty parts as necessary. Check purity of oil and adjust oil level as follows.
4. If amount drained is 2.4-3.0 ounces (1.7 ounces on Geo Storm), oil level is okay. Fill with same amount drained, using new oil. If amount drained is less than 2.4 ounces (1.7 ounces on Geo Storm), pour in 2.4-3.0 (1.7) ounces of new refrigerant oil.

5 & 6-CYLINDER

1. Before checking and adjusting oil level, operate engine at 1200 RPM, and set controls at maximum cooling and high blower motor speed for 20-30 minutes to return oil to compressor.
2. Stop engine. Discharge refrigerant and remove compressor from vehicle. See SERVICING PRECAUTIONS at beginning of article. Remove oil drain plug and drain oil. Measure amount of oil drained. Install drain plug with new "O" ring.
3. If amount drained is 2.0-3.0 ounces (4.4 ounces for Infiniti; 6.4 ounces for Nissan Maxima/300ZX), fill with same amount, using new oil. If amount drained is less than 2.0-3.0 ounces (4.4 ounces for Infiniti; 6.4 ounces for Nissan Maxima/300ZX), fill with 2.0-3.0 ounces (4.4 ounces for Infiniti; 6.4 ounces for Nissan Maxima/300ZX). Install filler plug and recharge system.

COMPONENT REFRIGERANT OIL CAPACITIES (DIESEL KIKI - ZEXEL)

FX-15 10-CYLINDER

1. Slowly discharge system. See SERVICING PRECAUTIONS at beginning of article. Remove A/C compressor. Drain compressor oil from suction and discharge ports. Measure amount drained and discard oil.
2. If amount drained from removed (old) compressor is between 3 and 5 ounces, add drained amount of new refrigerant oil into the NEW compressor through suction port.
3. If amount drained is less than 3 ounces, add 3 ounces to the NEW compressor. If amount drained is more than 5 ounces, add 5 ounces. Use new "O" rings on refrigerant lines. Install A/C compressor. Evacuate and recharge system. Perform leak test.

COMPONENT REFRIGERANT OIL CAPACITIES (FX-15 - HYUNDAI)

A-6 6-CYLINDER

Compressor oil checking procedure not available from manufacturer.

R4 4-CYLINDER RADIAL

1. Discharge refrigerant and remove compressor from vehicle. See SERVICING PRECAUTIONS at beginning of article. Drain compressor oil and measure amount of oil drained.
2. If amount drained is more than one ounce, fill with same amount, using new oil. If amount drained is less than one ounce, fill compressor with 2.0 ounces. Install compressor and recharge system.

COMPONENT REFRIGERANT OIL CAPACITIES (HARRISON R4 RADIAL)

1. If system is operable, run for several minutes to stabilize system before performing repairs. Turn off engine. Discharge system and remove compressor. See SERVICING PRECAUTIONS at beginning of article. Remove drain plug. Drain and measure oil.
2. If one ounce or more is drained, add same amount. If less than one ounce is drained, add 2 ounces of new refrigerant oil to compressor.
3. If A/C components are replaced, add refrigerant oil to system. Add one ounce if condenser is replaced. Add 3.5 ounces if accumulator is replaced.
4. When replacing a component which has caused a large refrigerant leak, add 3 ounces of new oil plus the required amount for the part being replaced. Add oil directly to part being replaced if possible. If oil cannot be easily added to part, add oil to accumulator.

1. Before checking and adjusting oil level, operate compressor at 1000-1500 engine RPM, and set controls at maximum cooling and high blower motor speed for about 10 minutes to return oil to compressor.
2. Stop engine. Discharge refrigerant and remove compressor from vehicle. See SERVICING PRECAUTIONS at beginning of article. Drain oil from compressor through suction port. Measure amount of oil drained.
3. If amount drained is 2.4 ounces or more, fill with same amount using new oil. If amount drained is less than 2.4 ounces, fill with 2.4 ounces. Install compressor and recharge.
4. If A/C components are replaced, add refrigerant oil to system. Add 1.7 ounces if condenser is replaced. Add 2.4 ounces if evaporator is replaced. Oil does not need to be added if receiver-drier is replaced. Add 1.7 ounces of refrigerant oil only if a refrigerant oil leak is indicated.

Discharge system. See SERVICING PRECAUTIONS at beginning of article. Remove compressor from vehicle. Drain oil from compressor through inlet and outlet ports. Fill compressor with 3.4-4.7 ounces of oil through suction port. Add 0.7 ounces if receiver-drier was replaced. When replacing condenser or evaporator, add 1.4-1.7 ounces of refrigerant oil.

1. Before checking and adjusting oil level, operate compressor at engine idle speed, and set controls at maximum cooling and high blower motor speed for 20-30 minutes to return oil to compressor.
2. Stop engine. Discharge refrigerant and remove compressor from vehicle. See SERVICING PRECAUTIONS at beginning of article. Drain compressor oil through compressor intake and discharge ports. Measure amount drained.
3. Fill compressor with same amount as drained, plus one ounce. When replacing condenser, add one ounce. When replacing evaporator, add 1 1/2 ounces. When replacing receiver-drier, add 1/3 ounce of new refrigerant oil.

6 & 10-CYLINDER

Note. Porsche, Suzuki and Volkswagen compressor oil checking procedures are not available from manufacturer.

Acura & Honda

1. Discharge system. See SERVICING PRECAUTIONS at beginning of article. Remove compressor from vehicle. Drain all oil from NEW compressor and fill compressor with 3-4 ounces of clean refrigerant oil.
2. On Accord, add 5/6 ounce of refrigerant oil when replacing evaporator. Add 1/3 ounce when replacing condenser. When replacing receiver-drier or hoses, add 1/3 ounce per component replaced.
3. On Legend, add 2 ounces of refrigerant oil when replacing evaporator. Add one ounce when replacing condenser. When replacing receiver-drier or hoses, add 1/3 ounce per component replaced.
4. On Integra, add one ounce of refrigerant oil when replacing evaporator. When replacing condenser, receiver-drier or hoses, add 1/3 ounce per component replaced.
5. On Vigor, add one ounce of refrigerant oil when replacing evaporator. Add 2/3 ounce when replacing condenser. When replacing receiver-drier or hoses, add 1/3 ounce per component replaced.

Ford Motor. Co

On Capri, add one ounce of refrigerant oil when replacing condenser or evaporator. When replacing receiver-drier, add 1/2 ounce. On Festiva, drain and measure oil from receiver-drier. Add the amount drained plus one ounce. Add one ounce when replacing evaporator. Add 3 ounces of refrigerant oil when replacing evaporator.

Lexus & Toyota

Add 1 1/2 ounces of refrigerant oil when replacing condenser. Add 1 1/2 ounces when replacing evaporator. When replacing receiver-drier or hoses, add 1/2 ounce per component replaced.

Mazda

Add one ounce of refrigerant oil when replacing condenser. Add 1 1/2 ounces when replacing evaporator. When replacing receiver-drier or hoses, add 1/3 ounce per component replaced.

Mercedes-Benz

Add 2/3 ounce of refrigerant oil when replacing condenser. Add 1 1/3 ounces when replacing evaporator. When replacing receiver-drier or hoses, add 1/3 ounce per component replaced. If A/C system line has broken (sudden discharge), add1 1/3 ounces of refrigerant oil.

Mitsubishi

1. On Eclipse, add 2/3 ounce of refrigerant oil when replacing condenser. Add one ounce when replacing evaporator. When replacing receiver-drier or hoses, add 1/3 ounce per component replaced.
2. On Expo/Expo LRV and Montero, add one ounce of refrigerant oil when replacing condenser. Add 2 ounces when replacing evaporator. When replacing receiver-drier or hoses, add 1/3 ounce per component replaced.

Add one ounce of refrigerant oil when replacing condenser. Add 2 ounces when replacing evaporator. When replacing receiver-drier or hoses, add 1/3 ounce of refrigerant oil.

Chrysler/Mitsubishi

1. On Colt, Galant, Mirage, Pickup, Ram-50 and Summit, add 1/2 ounce of refrigerant oil when replacing condenser. Add 1 1/2 ounces when replacing evaporator. When replacing receiver-drier or hoses, add 1/3 ounce per component replaced.
2. On Diamante, Stealth and 3000GT, add 1/3 ounce of refrigerant oil when replacing condenser. Add 2 1/2 ounces when replacing evaporator. When replacing receiver-drier or hoses, add 1/3 ounce per component replaced.

Honda

1. Discharge system. See SERVICING PRECAUTIONS at beginning of article. Remove compressor from vehicle. Drain all oil from NEW compressor and fill compressor with 4 ounces of clean refrigerant oil.
2. On Civic, add 1 1/2 ounce of refrigerant oil when replacing evaporator. Add 2/3 ounce when replacing condenser. When replacing receiver-drier or hoses, add 1/3 ounce per component replaced.
3. On Prelude, add 1/2 ounce of refrigerant oil when replacing evaporator. When replacing other A/C components, add 1/3 ounce per component replaced (including hoses).

Hyundai

Add 1.6 ounces of refrigerant oil when replacing evaporator. Add one ounce when replacing condenser. When replacing receiver-drier, add 1/3 ounce of refrigerant oil.

5-CYLINDER

1. Discharge system. See SERVICING PRECAUTIONS at beginning of article. Remove compressor belt and loosen mounting bolts. Rotate compressor in brackets until filler plug is at top. Clean area around filler plug and remove plug slowly. Rotate front hub plate so notch in lobe is 110 degrees from bottom. (Scheme 20) This rotates ball end of top piston to align with oil fill port and allows clearance for dipstick.
2. Insert compressor dipstick diagonally from right to left until stop on dipstick contacts filler plug surface. Remove dipstick and note oil fill level. Each increment on dipstick represents one ounce of oil. Add oil as necessary to reach 3-4 ounce level.

Scheme 20

Hyundai Excel & Scoupe, & Mitsubishi Precis

1. Before checking and adjusting oil level, operate compressor at engine idle speed, and set controls at maximum cooling and high blower motor speed for 20-30 minutes to return oil to compressor.
2. Stop engine. Discharge refrigerant and remove compressor from vehicle. See SERVICING PRECAUTIONS at beginning of article. Remove oil drain plug and drain oil. Measure amount of oil drained. Install drain plug with new "O" ring.
3. If amount drained is 2.3 ounces or more, fill with same amount using new oil. If amount drained is less than 2.3 ounces, fill with 2.3 ounces. Install filler plug. Install compressor and recharge system.

COMPONENT REFRIGERANT OIL CAPACITIES (SANDEN 7-CYL-EXCEL, PRECIS & SCOUPE)

Jaguar XJ6

1. Discharge system. See SERVICING PRECAUTIONS at beginning of article. Determine angle at which compressor is mounted. Clean area around filler plug and remove plug slowly.
2. Insert compressor dipstick diagonally until stop on dipstick contacts filler plug surface. (Scheme 20) Remove dipstick and note oil fill level. Each increment on dipstick represents one ounce of oil.
3. Determine amount of oil needed according to mounting angle. See COMPRESSOR OIL INCREMENT CAPACITIES (SANDEN 7-CYLINDER) table for specified amount.
4. If necessary, correct compressor oil level. Install compressor oil plug, and tighten it to 72-108 INCH lbs. (8-12 N.m). Evacuate and recharge A/C system. Perform leak test.

COMPRESSOR OIL INCREMENT CAPACITIES (SANDEN 7-CYLINDER)

ZEXEL

See DIESEL KIKI (ZEXEL).