Contents: Removal ↓ Installation ↓
Removal
1. Disconnect the ground cable from the battery (see paragraph 1 of chapter 5).
2. Apply the parking brake and place wheel chocks under the rear wheels.
3. Raise the front of the vehicle and place secure supports underneath it.
Caution: If the vehicle is equipped with electronically controlled air suspension, turn off the suspension height control switch.
4. Remove the lower engine guard (fig. 6.5).
5. Drain the engine oil and remove the oil filter (see chapter 1). Remove the oil level dipstick.
6. Remove the bolts and detach the oil pan. If it does not go, carefully pry it off with a small screwdriver or spatula (fig. 13.6, a, b). Do not damage the mating surfaces of the oil pan and cylinder block, as this may result in oil leakage.
Fig. 13.6, a. Oil pan mounting bolts
Fig. 13.6, b. Pry up the oil pan with a screwdriver or spatula
Installation
7. Use a scraper to remove all traces of old sealant from the cylinder block and oil pan. Clean the mating surfaces with lacquer thinner or acetone.
8. Clean the threaded holes for the bolts in the block.
9. Check the oil pan flange for distortion, especially around the bolt holes. Remove any nicks or roughness if necessary.
10. Inspect the oil pickup tube of the oil pump for cracks and blockage of the strainer. If the oil pickup tube has been removed, clean it thoroughly and install it using a new gasket. Tighten the nuts/bolts to the specified torque specified in Specifications at the beginning of this chapter.
11. Apply a bead of RTV sealant approximately 5mm wide to the mating surface of the oil pan, following the contour of the groove but moving towards the inside in the area of the bolt holes.
12. Carefully position the oil pan relative to the cylinder block and screw in the oil pan mounting bolts to the engine, but do not tighten them.
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13. Working from the center outward, tighten the oil pan-to-cylinder block bolts in three or four stages to the specified torque shown in Specifications at the beginning of this chapter.
14. The rest of the installation is carried out in the reverse order of removal.
Note: Please follow the sealant manufacturer's recommendations regarding assembly technique and sealant curing time.
15. Start the engine, check for correct oil pressure and make sure there are no leaks.