Mazda 323/MX-3/626/MX-6/Millenia/Protégé 1990-1998 and Ford Probe 1993-1997

Oil Pan

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REMOVAL & INSTALLATION



1990-94 1.6L and 1.8L (except K8) Engines

See Figures 1 and 2

  1. Disconnect the negative battery cable. Raise and safely support the vehicle.
  2.  
  3. Remove the engine undercover, if equipped. Position a suitable container under the oil pan. Remove the drain plug and drain the oil.
  4.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the oil pan and related components for the 1990-94 1.6L engine-2.2L engine is similar

  1. Remove the exhaust pipe from the exhaust manifold and from the catalytic converter. If necessary, remove the exhaust pipe bracket from the engine block.
  2.  
  3. On 1993-94 323 1.6L (B6E) and 1994 Protege 1.8L (BPD) engines, remove the integrated stiffener from the engine block and transaxle.
  4.  
  5. 1993-94 Protege 1.8L (BPE) and 1994 MX3 1.8L (BPD) engines, remove the main bearing support/stiffener plate that is installed between the oil pan and engine block.
  6.  



Click image to see an enlarged view

Fig. Fig. 2: Exploded view of the oil pan and related components for the 1.8L engine

  1. Remove the bolts and remove the oil pan. It may be necessary to pry the pan away from the engine; be careful not to damage the gasket contact surfaces.
  2.  
  3. If necessary remove the oil strainer.
  4.  
  5. Remove the main bearing support/stiffener plate that is installed between the oil pan and engine block.
  6.  

To install:
  1. Clean all oil, dirt, old gasket material and sealer from the oil pan, support/stiffener plate, oil pan bolts and all gasket mating surfaces. If removed, clean the oil strainer.
  2.  
  3. If equipped with the main bearing support/stiffener plate, run a bead of silicone sealer around the perimeter of the plate, going inside the bolt holes. Install the plate and tighten the bolts.
  4.  

Make sure all old sealer is removed from the bolts prior to installation. Installing a bolt coated with old sealer could result in cracking of the bolt holes.

  1. If removed, install the oil strainer using a new gasket. Tighten the bolts.
  2.  
  3. If used, apply silicone sealer to new rubber end gaskets and press them into place on the engine.
  4.  
  5. Apply a bead of silicone to the perimeter of the oil pan, going around the inside of the bolt holes and install the pan to the engine. Install the oil pan bolts finger tight.
  6.  
  7. Tighten the oil pan bolts.
  8.  

Make sure all old sealer is removed from the bolts prior to installation. Installing a bolt coated with old sealer could result in cracking of the bolt holes.

  1. On 1990-94 323 1.6L (B6E) and 1994 Protege 1.8L (BPD) engines, install the integrated stiffener to the engine block and transaxle. Tighten the bolts to 38 ft. lbs. (52 Nm).
  2.  
  3. 1990-94 Protege 1.8L (BPE) and 1994 MX3 1.8L (BPD) engines, install the transverse member. Tighten the bolts to 93 ft. lbs. (1 Nm).
  4.  
  5. Install the front exhaust pipe bracket, if equipped. Install the front exhaust pipe, using new gaskets. Tighten the exhaust manifold flange nuts to 34 ft. lbs. (46 Nm).
  6.  
  7. Install the oil pan drain plug using a new gasket. Tighten the drain plug to 30 ft. lbs. (41 Nm).
  8.  
  9. Install the engine undercover and lower the vehicle.
  10.  
  11. Fill the engine with the proper type and quantity of oil.
  12.  
  13. Connect the negative battery cable. Start the engine and bring to normal operating temperature. Check for leaks.
  14.  

1.5L and 1995-97 1.8L (except K8) Engines

See Figures 2 and 3

  1. Disconnect the negative battery cable. Raise and safely support the vehicle.
  2.  
  3. Remove the right-hand splash shield. Drain the engine oil into a suitable container.
  4.  
  5. Remove the transverse member.
  6.  



Click image to see an enlarged view

Fig. Fig. 3: Exploded view of the oil pan and related components for the 1.5L engine-2.0L engine is similar

  1. Disconnect the oxygen sensor connector. Remove and discard the exhaust pipe-to-manifold nuts. Move the exhaust pipe aside and support it with a jack.
  2.  
  3. Remove the oil pan bolts and the oil pan.
  4.  

To install:
  1. Clean the oil pan. Clean all dirt, oil, gasket and old sealant from the oil pan and cylinder block contact surfaces.
  2.  
  3. Apply a continuous bead of silicone sealant on the gaskets and around the oil pan, going on the inside of the bolt holes.
  4.  
  5. Position the gaskets on the oil pan. Install the oil pan, and tighten the vertical bolts to 70-95 inch lbs. (8-11 Nm), and the horizontal bolts to 28-38 ft. lbs. (38-51 Nm).
  6.  
  7. Connect the exhaust pipe to the manifold with new nuts. Tighten the nuts to 28-38 ft. lbs. (38-51 Nm). Connect the oxygen sensor connector.
  8.  
  9. Install the transverse member, and tighten the mounting bolts to 69-97 ft. lbs. (94-131 Nm).
  10.  
  11. Install the right-hand splash shield and tighten the mounting bolts to 70-95 inch lbs. (8-11 Nm). Lower the vehicle.
  12.  
  13. Fill the engine with the proper type and quantity of engine oil. Connect the negative battery, run the engine and check for leaks.
  14.  

2.2L Engine

See Figure 2

  1. Disconnect the negative battery cable. Raise and safely support the vehicle.
  2.  
  3. Remove the engine under cover, if equipped. Position a suitable container under the oil pan. Remove the drain plug and drain the oil.
  4.  
  5. Remove the exhaust pipe from the exhaust manifold and from the catalytic converter. If necessary, remove the exhaust pipe bracket from the engine block.
  6.  
  7. Remove the gusset plates and the clutch housing cover.
  8.  
  9. Remove the bolts and remove the oil pan. It may be necessary to pry the pan away from the engine; be careful not to damage the gasket contact surfaces.
  10.  
  11. If necessary remove the oil strainer.
  12.  
  13. Remove the main bearing support/stiffener plate that is installed between the oil pan and engine block.
  14.  

To install:
  1. Clean all oil, dirt, old gasket material and sealer from the oil pan, support/stiffener plate, oil pan bolts and all gasket mating surfaces. If removed, clean the oil strainer.
  2.  
  3. On the main bearing support/stiffener plate, run a bead of silicone sealer around the perimeter of the plate, going inside the bolt holes. Install the plate and tighten the bolts to 104 inch lbs. (12 Nm).
  4.  

Make sure all old sealer is removed from the bolts prior to installation. Installing a bolt coated with old sealer could result in cracking of the bolts holes.

  1. If removed, install the oil strainer using a new gasket. Tighten the bolts to 95 inch lbs. (11 Nm).
  2.  
  3. If used, apply silicone sealer to new rubber end gaskets and press them into place on the engine.
  4.  
  5. Apply a bead of silicone to the perimeter of the oil pan, going around the inside of the bolt holes and install the pan to the engine. Install the oil pan bolts finger tight.
  6.  
  7. Tighten the oil pan bolts to 95 inch lbs. (11 Nm).
  8.  

Make sure all old sealer is removed from the bolts prior to installation. Installing a bolt coated with old sealer could result in cracking of the bolts holes.

  1. Install the clutch housing cover and tighten the bolts to 95 inch lbs. (11 Nm). Install the gusset plates and tighten the bolts to 38 ft. lbs. (52 Nm).
  2.  
  3. Install the front exhaust pipe bracket, if equipped. Install the front exhaust pipe, using new gaskets. Tighten the exhaust manifold flange nuts to 34 ft. lbs. (46 Nm).
  4.  
  5. Install the oil pan drain plug using a new gasket. Tighten the drain plug to 15 ft. lbs. (20 Nm).
  6.  
  7. Install the engine under cover and lower the vehicle.
  8.  
  9. Fill the engine with the proper type and quantity of oil.
  10.  
  11. Connect the negative battery cable. Start the engine and bring to normal operating temperature. Check for leaks.
  12.  

1.8L (K8), 2.0L, 2.3L and 2.5L Engines

See Figures 3 and 4

  1. Disconnect the negative battery cable. Raise and safely support the vehicle.
  2.  
  3. Remove the passenger side splash shield. Drain the engine oil into a suitable container.
  4.  



Click image to see an enlarged view

Fig. Fig. 4: Exploded view of the oil pan and related components for the 1.8L (K8), 2.3L and 2.5L engines

  1. Disconnect the oxygen sensor connector. Remove the front exhaust pipe.
  2.  
  3. Remove the oil pan bolts and the oil pan.
  4.  

To install:
  1. Clean the oil pan. Clean all dirt, oil and old sealant from the oil pan and cylinder block contact surfaces.
  2.  
  3. Apply a continuous bead of silicone sealant around the oil pan, going on the inside of the bolt holes.
  4.  
  5. Install the oil pan and tighten the bolts to 14-18 ft. lbs. (19-25 Nm).
  6.  
  7. Install the front pipe. Tighten the nuts to 28-38 ft. lbs. (38-51 Nm). Connect the oxygen sensor connector.
  8.  
  9. Install the splash shield and tighten the mounting bolts to 70-95 inch lbs. (8-11 Nm). Lower the vehicle.
  10.  
  11. Fill the engine with the proper type and quantity of engine oil. Connect the negative battery, run the engine and check for leaks.
  12.  

 
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