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Engine Mechanical: Removal & Installation Toyota Sequoia I

Mechanical 8 illustrations ~805 words

Removal & Disassembly

  1. Remove No. 1 and 2 oil pans and oil pump pick-up tube. See «OIL PAN»(ref-170140-S13271652942008052900000). Remove timing belt, No. 1 and 2 idler pulleys, and crankshaft pulley. See «TIMING BELT»(ref-170140-S28914078052005010400000).
  2. Disconnect coolant hose at oil cooler. Remove bolts/nuts, oil filter mounting bracket and gasket from engine. Remove bolt and crankshaft position sensor from side of oil pump body. see scheme 298
  3. Note location of oil pump-to-cylinder block bolts for installation reference. Remove oil pump-to-cylinder block bolts. Remove oil pump by prying at specified locations. see scheme 299 DO NOT damage sealing surfaces. Remove "O" ring from front of cylinder block.
  4. Remove snap ring, retainer, relief valve spring and relief valve. see scheme 300 Remove screws, oil pump body cover and rotors. Remove crankshaft front seal (if necessary).

Scheme 8

Scheme 8
Scheme 8

Scheme 9

Scheme 9
Scheme 9

Scheme 10

Scheme 10
Scheme 10

Reassembly & Installation

  1. To reassemble, reverse disassembly procedure. Ensure drive and driven rotors are installed in oil pump body, with mark facing upward. see scheme 301 Tighten screws for oil pump body cover to specification. See «TORQUE SPECIFICATIONS»(ref-170140-S25639310092005032100000).
  2. If installing crankshaft front seal, apply grease to seal lip of NEW seal. Using hammer and Seal Installer (SST 09316-00011), install seal until seal surface is even with oil pump body.
  3. To install, apply sealant at designated areas on rear of oil pump body. see scheme 302 DO NOT allow sealant to enter oil passages on oil pump body. Install NEW "O" ring on front of cylinder block.
  4. Install oil pump body on cylinder block. Ensure teeth on drive rotor engage with proper areas on crankshaft. see scheme 302 Install and tighten oil pump-to-cylinder block bolts to specification. See «TORQUE SPECIFICATIONS»(ref-170140-S25639310092005032100000).
  5. To install remaining components, reverse removal procedure. Ensure proper procedures are followed when installing timing belt and oil pans. Use NEW gasket when installing oil filter mounting bracket. Tighten bolts/nuts for oil filter mounting bracket to specification. See «TORQUE SPECIFICATIONS»(ref-170140-S25639310092005032100000).

Scheme 11

Scheme 11
Scheme 11

Removal

Note. Oil pan consists of a No. 1 and 2 oil pan.

  1. Remove engine for servicing of oil pan. Remove engine. See «ENGINE UNIT (2WD)»(ref-170140-S40635541002005010400000) or «ENGINE UNIT (4WD)»(ref-170140-S24867492252005010400000). Remove engine oil dipstick, dipstick tube and "O" ring.
  2. To remove No. 2 oil pan, remove No. 2 oil pan bolts/nuts. Install Seal Cutter (SST 09032-00100) between No. 1 and 2 oil pans. Using hammer, tap seal cutter along sides of No. 2 oil pan surface to loosen seal between No. 1 and 2 oil pans. DO NOT damage sealing surfaces. Remove No. 2 oil pan.
  3. To remove No. 1 oil pan, remove bolts/nuts and baffle plate. see scheme 303 Remove bolts/nuts for No. 1 oil pan. Remove No. 1 oil pan by prying between cylinder block and No. 1 oil pan at designated areas. see scheme 304 DO NOT damage sealing surfaces. Remove bolts/nuts oil pump pick-up tube and gasket (if necessary).

Scheme 12

Scheme 12
Scheme 12

Scheme 13

Scheme 13
Scheme 13

Installation

Note. Oil pan consists of a No. 1 and 2 oil pan.

  1. Using NEW gasket, install oil pump pick-up tube (if removed). Tighten bolts/nuts to specification. See «TORQUE SPECIFICATIONS»(ref-170140-S25639310092005032100000). Ensure all sealing surfaces are clean.
  2. Apply a.12-.20 in. (3.0-5.0 mm) diameter bead of sealant at specified areas on No. 1 oil pan. see scheme 305 Install No. 1 oil pan with bolt/nuts loosely installed. Ensure proper length bolts are installed in proper areas. see scheme 306
  3. Check clearance between cylinder block and both ends of No. 1 oil pan. see scheme 306 Clearance must be less than.008 in. (.20 mm). If clearance is more than.008 in. (.20 mm), No. 1 oil pan will be stretched. Position No. 1 oil pan so clearance is less than.008 in. (.200 mm).
  4. Tighten bolts/nuts for No. 1 oil pan to specification. See «TORQUE SPECIFICATIONS»(ref-170140-S25639310092005032100000). Install baffle plate. Tighten bolts/nuts to specification. See «TORQUE SPECIFICATIONS»(ref-170140-S25639310092005032100000).
  5. Apply a.12-.20 in. (3.0-5.0 mm) diameter bead of sealant at specified areas on No. 2 oil pan. see scheme 305 Install No. 2 oil pan. Tighten bolts/nuts to specification. See «TORQUE SPECIFICATIONS»(ref-170140-S25639310092005032100000).
  6. To install remaining components, reverse removal procedure. Use NEW "O" ring coated with soapy water solution when installing engine oil dipstick.

Scheme 14

Scheme 14
Scheme 14

Scheme 15

Scheme 15
Scheme 15
  1. Oil cooler is mounted on front of engine, near oil filter. see scheme 297 Drain cooling system. Remove oil filter.
  2. Disconnect coolant hoses at oil cooler. Remove oil cooler union bolt and washer from oil cooler. Oil cooler union bolt is located at center of oil cooler and contains the threads that oil filter screws onto. Remove oil cooler and "O" ring from oil filter mounting bracket.
  1. To install, reverse removal procedure using NEW "O" ring. Apply engine oil to threads and bolt-to-oil cooler contact surfaces on oil cooler union bolt before installing. Tighten oil cooler union bolt to specification. See «TORQUE SPECIFICATIONS»(ref-170140-S25639310092005032100000) .
  2. Adjust engine oil level as necessary. Fill and bleed cooling system. See «COOLING»(ref-170116) .

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