1994 MAZDA MX-5 Workshop Manual

D OIL FILTER OIL FILTER REPLACEMENT 1. Remove the oil filter with a wrench. ii 2. Use a clean rag to wipe off the mounting surface on the engine. 3. Apply a small amount of clean engine oil to the rubber seal of the new filter. 4. Hand tightening type (Numbers printed on filter) Tighten the filter 314 of a turn by hand after it contacts the cylinder block Example: When the oil filter contacts the cylinder block at "l", turn it 314 of a turn further to "4". Filter wrench tightening type (No numbers printed on fil- ter) Tighten the filter 1 and 116 turns with the filter wrench af- ter it contacts the cylinder block. Gartner Banana

OIL COOLER D OIL COOLER REMOVAL I INSTALLATION 1. Disconnect the negative battery cable. 2. Drain the engine oil and engine coolant. (Refer to page D-5, Section E.) 3. Remove in the order shown in the figure. 4. Install in the reverse order of removal. INSTALL OIL COOLER WITH IDENTIFICATION MARK (BLACK) FACING UP A OIL FILTER^ RUBBER I 3049 (3.0--4.0,22-28) REPLACE Nm {kgtm, ft4bf) 1. Oil filter 3. Oil cooler Replacement . . . . . . . . . . . . . . . Page D-6 4. O-ring 2. Water hose Steps After Installation 1. Connect the negative battery cable. 2. Fill with the specified amount and type of engine oil and engine coolant. (Refer to page D-5, Section E.) 3. Start the engine and check for leaks. 4. Check the oil level and add oil if necessary. 5. Recheck the engine coolant levels. Gartner Banana

D OIL PAN OIL PAN REMOVAL / INSTALLATION 1. Disconnect the negative battery cable. 2. Drain the engine oil. (Refer to page D-5.) 3. Remove the undercover. 4. Remove in the order shown in the figure, referring to Removal Note. 5. Install in the reverse order of removal, referring to Installation Note. 94--117 (9.5-11.9,69-86) 57-78 (5.8--8.0,42-57) 69-83 {7.0-8.5,51-61) GASKET, REPLAC 7.9--10.7 Nm {60-110 kgfan, 70-95 O-RING, REPLACE 'If 64-49 (6.!%9.1,4&65) 7.9-10.7 N.m (80-110 kgf.crn, 70-95 indbf] 1. Dipstick and pipe 5. Oil pan ............. 2. Intermediate shaft Removal Note page D- 9 ........... .......... Removal / lnstllation section N Installation Note page D-10 3. Engine mount nut 6. Oil strainer 7. Oil baffle ,' ............. Removal Note page D- 9 ............. 4. Crossmember installation bolt and nut Removal Note page D- 9 ............. ........... Removal Note page D- 9 Installation Note page D- 9 Gartner Banana

OIL PAN D RIGHT . . LEFT Removal Note Engine mount nut 1. Loosen the oil pan mounting bolts. 2. Remove the engine mounting nuts. 3. Lift the engine slightly with a hoist. Crossmember installation bolt and nut 1. Support the crossmember with a transmission jack. 2. Remove the crossmember installation bolts and nuts. 3. Separate the steering intermediate shaft from the pinion shaft. 4. Lower the crossmember until the clearance between the oil pan and the steering gear housing exceeds approx. 100mm (3.94 in). Oil pan 1. Remove the oil pan mounting bolts. Caution Pry tools can easily scratch the cylinder block and the oil pan contact surfaces. Prying off the oild pan can also easily bend the oil pan flange. Refer to the following instructions before remov- ing the oil pan. 2. Insert a screwdriver only at the points shown in the fig- ure. 3. Remove the oil pan. Oil baffle 1. Insert a screwdriver between the cylinder block and the oil baffle to separate them. 2. Remove the oil baffle. Installation Note Oil baffle 1. Remove all foreign material from the contact surfaces. 2. Apply a continuous bead of silicone sealant to the oil baffle along the inside of the bolt holes, and install within five minutes. Gartner Banana

OIL PAN NOTCH NOTCH I 05UODX-209 Steps After Installation 1. Install the undercover. Oil pan 1. Remove all foreign material from the contact surfaces. 2. Apply silicone sealant to the shaded areas shown in the figure. 3. Install new gaskets onto the oil pump body and the rear cover with the projections in the notches shown in the fig- ure. 4. Apply a continuous bead of silicone sealant to the oil pan along the inside of the bolt holes and overlap the ends. 5. Install the oil pan with five minutes. Tightening torque 0: 7.9-10.7 N.m (80-110 kgf-cm, 70-95 in4bf) @: 64-49 N.m (6.5-9.1 kgf-m, 48-45 ft-lbf) 2. Connect the negative battery cable. 3. Fill with the specified amount and type of engine oil. (Refer to page D-5.) 4. Start the engine and check for leaks. 5. Check the oil level and add oil if necessary. Gartner Banana

OIL PUMP D OIL PUMP DISASSEMBLY 1 ASSEMBLY 1. Disassemble in the order shown in the figure, referring to Disassembly Note. 2. Assemble in the reverse order of disassembly, referring to Assembly Note. -90 kgf.cm, 53-78 inlbf) 1. Oil seal 5. Roll pin Disassembly Note .......... page D-1 1 6. Oil spring seat Assembly Note ............ page D-13 7. Oil pressure spring 2. Oil pump cover Inspection ................. page D-12 3. Outer rotor 8. Oil. control plunger 4. Inner rotor 9. Oil pump body Gartner Banana

D OIL PUMP PROTECT PUMP BODY WITH RAG OSUODX. Disassembly Note Oil seal Remove the oil seal with a screwdriver protected with a rag. 4 INSPECTION Oil Pressure Spring 1. Inspect the spring for weakness or breakage. 2. Measure the free length. Replace the spring if neces- sary. Free length: 45.94mm (1.809 in) Rotor Clearance Measure the following clearances. Replace the rotor if necessary. Tooth tip clearance: Standard: 0.02-0.18mm (0,0008--0.0070 in) . J Maximum: 0.2mm (0.0079 in) Outer rotor to pump body clearance: Standard: 0.09-0.18mm (0.0036--0.007 in} Maximum: 0.2mm {0.0079 in) Side clearance: Standard: O.O3--O.l2mm (0.001 2-0.0047 in) Maximum: 0.14mm (0,0055 in) Gartner Banana

OIL PUMP D Apply a small amount of clean engine oil to the lip of a new oil seal. Push the oil seal slightly in by hand. Using a pipe, press the oil seal in evenly until it is flush with the edge of the oil pump body. Note Oil seal outer diameter: 50.5mm {I .99 in) Oil seal inner diameter: 36.5mm (1.44 in} I I Assembly Note Oil seal Gartner Banana