Hyundai Coupes/Sedans 1994-1998 Repair Guide

Oil Pump

Imprimir

REMOVAL & INSTALLATION



See Figures 1, 2, 3, 4, 5 and 6

Whenever the oil pump is disassembled or the cover removed, the gear cavity must be filled with petroleum jelly for priming purposes. Do not use grease.

Except 2.0L (VIN P), 1994-95 1.6L (VIN R), 1.8L (VIN M) Engines



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Fig. Fig. 1: The oil pump cover bolt lengths and locations-1.5L (VIN J) engine



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Fig. Fig. 2: Align the mating marks on the oil pump gears-1.5L (VIN J) engine



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Fig. Fig. 3: Oil pump cover bolt lengths and locations-3.0L (VIN T) engine



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Fig. Fig. 4: Oil pump cover bolt lengths and locations-1.8L (VIN M) and 2.0L (VIN F) engines



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Fig. Fig. 5: Oil pump cover bolt lengths and locations-1.5L (VIN E) and 1.5L (VIN K) engines



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Fig. Fig. 6: Align the mating marks on the oil pump gears-1.5L (VIN E) and 1.5L (VIN K) engines

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the timing belt.
  4.  
  5. Remove the oil pan.
  6.  
  7. Remove the oil screen.
  8.  
  9. Remove the front case assembly.
  10.  
  11. Remove the oil pump cover.
  12.  
  13. Remove the inner and outer gears from the front case.
  14.  

The inner and outer gears indicate the direction of installation.

  1. Remove the plug, relief valve spring and relief valve from the case.
  2.  

To install:
  1. Check the front case for damage or cracks. Replace the front seal. Replace the oil screen O-ring. Clean all parts thoroughly with a safe solvent.
  2.  
  3. Check the pump gears for wear or damage. Clean the gears thoroughly and place them in position in the case to check the clearances.
  4.  
  5. Check that the relief valve can slide freely in the case.
  6.  
  7. Check the relief valve spring for damage.
  8.  
  9. Thoroughly coat both oil pump gears with clean engine oil and install them in the correct direction of rotation.
  10.  
  11. Install the pump cover and torque the bolts as follows:
    1. 6-8 ft. lbs. (8-12 Nm)-1.5L (VIN E) and 1.5L (VIN J) engines
    2.  
    3. 4-6 ft. lbs. (6-9 Nm)-except 1.5L (VIN E) and 1.5L (VIN J) engines
    4.  

  12.  
  13. Coat the relief valve and spring with clean engine oil, install them and tighten the plug to 30-36 ft. lbs. (39-49 Nm).
  14.  
  15. Using a new gasket, install the front case assembly. Tighten the bolts to 8-11 ft. lbs. (12-15 Nm).
  16.  

The bolts have different shank lengths. Use the illustrations to determine proper locations for each length bolt.

  1. Coat the lips of a new seal with clean engine oil and slide it along the crankshaft until it touches the front case. Drive it into place with a seal driver.
  2.  
  3. Install and properly tension the timing belt.
  4.  
  5. Install the oil screen.
  6.  
  7. Apply a 1/8 in. (3 mm) wide bead of RTV sealer in the groove of the oil pan mating surface. Install the oil pan and tighten bolts to 60-72 inch lbs.
  8.  
  9. Connect the negative battery cable.
  10.  
  11. Start the engine and allow it to reach operating temperature. Check for leaks.
  12.  
  13. Check for proper oil pressure.
  14.  

2.0L (VIN P), 1994-95 1.6L (VIN R), 1.8L (VIN M) Engines

See Figures 7, 8, 9, 10 and 11



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Fig. Fig. 7: A special socket (PN 09213-33000) is available to remove the plug cap from the oil pump portion of the case-2.0L (VIN P), 1994-95 1.6L (VIN R), 1.8L (VIN M) engines



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Fig. Fig. 8: Remove the left side cylinder block plug and insert a screwdriver into the hole to hold the balance shaft from turning-2.0L (VIN P), 1994-95 1.6L (VIN R), 1.8L (VIN M) engines



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Fig. Fig. 9: Align the timing marks on the gears during assembly-2.0L (VIN P), 1994-95 1.6L (VIN R), 1.8L (VIN M) engines



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Fig. Fig. 10: A special tool (PN 09214-32100) is used to center the front case hole on the crankshaft-2.0L (VIN P), 1994-95 1.6L (VIN R), 1.8L (VIN M) engines



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Fig. Fig. 11: Oil pump cover bolt lengths and locations-2.0L (VIN P), 1994-95 1.6L (VIN R), 1.8L (VIN M) engines

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the timing belt.
  4.  
  5. Remove the oil pan.
  6.  
  7. Remove the oil screen.
  8.  
  9. Remove the oil filter bracket assembly.
  10.  
  11. Using special tool (PN 09213-33000) or equivalent, remove the plug cap from the oil pump portion of the front case.
  12.  
  13. Remove the left side cylinder block plug and insert a screwdriver with a 0.32 in. (8 mm) diameter shaft into the plug hole. The screwdriver should be at least 2.4 in. (60 mm) long.
  14.  
  15. Remove the oil pump drive gear and left counter balance shaft retaining bolt.
  16.  
  17. Remove the front case assembly.
  18.  
  19. Remove the oil pump cover from the front case.
  20.  
  21. Remove the oil pump gears.
  22.  

To install:
  1. Check the oil holes for clogging and clean as necessary.
  2.  
  3. Check counter balance shaft front bearing section for wear, damage or seizure. If there is any damage, replace the front case.
  4.  
  5. Check front case for cracks and other damage. Replace the front case as necessary.
  6.  
  7. Lubricate, align and install the oil pump gears.
  8.  
  9. Using a seal driver, install a new front case oil seal.
  10.  
  11. Lubricate and install special tool (PN 09214-32100) or equivalent, on the crankshaft.
  12.  
  13. Install the front case assembly using a new gasket. Install all bolts except those for the filter bracket and tighten finger tight.
  14.  
  15. Tighten front case bolts to specification, as per the illustration.
  16.  
  17. Insert a screwdriver with a 0.32 in. (8 mm) diameter shaft into the left side cylinder block plug hole. The screwdriver will hold the shaft stable while tightening the oil pump drive gear retaining bolt.
  18.  
  19. Install the oil pump drive gear and left counter balance shaft retaining bolt. Tighten to 25-29 ft. lbs. (34-40 Nm).
  20.  
  21. Install a new O-ring to the groove on the front case.
  22.  
  23. Using special tool (PN 09213-33000) or equivalent, install the plug cap on the oil pump portion of the front case. Tighten to 14-20 ft. lbs. (20-27 Nm).
  24.  
  25. Install the oil filter bracket assembly.
  26.  
  27. Install the oil screen.
  28.  
  29. Install the oil pan.
  30.  
  31. Install and properly tension the timing belt.
  32.  
  33. Connect the negative battery cable.
  34.  
  35. Start the engine and allow it to reach operating temperature. Check for leaks.
  36.  
  37. Check for proper oil pressure.
  38.  

OIL SEAL REPLACEMENT



The front case oil seal is removed and installed from the rear of the case. The case assembly must be removed from the engine to replace the oil seal.

  1. Remove the front case assembly.
  2.  
  3. Using a seal remover or brass drift, drive the seal from the front case.
  4.  

To Install:
  1. Clean the seal bore and inspect for damage. If damage is evident, replace the front case assembly.
  2.  
  3. Lubricate the seal bore and install the seal.
  4.  
  5. Using a seal driver, drive the seal into the front case.
  6.