Upper Oil Pan
Special tools and workshop equipment required
- Protective eyewear
- Hand drill with plastic brush attachment
- Sealant
Removing
- Engine fastened to the engine and transmission holder. Refer to ENGINE, SECURING TO ENGINE AND TRANSMISSION HOLDER .
- Engine oil drained. Refer to Maintenance Procedures .
-- Remove timing chain lower cover. Refer to LOWER TIMING CHAIN COVER .
-- Remove the power take-off drive chain. Refer to POWER TAKE-OFF DRIVE CHAIN .
-- Remove the belt pulley side sealing flange. Refer to SEALING FLANGE, BELT PULLEY SIDE .
-- Remove the oil pump. Refer to OIL PUMP .
-- Remove the bolts -1 through 4-.
-- Carefully loosen the upper oil pan from the bond and press it off the cylinder block alignment bushings.
Installing
- For the correct tightening specifications, refer to UPPER OIL PAN OVERVIEW .
Replace seals, gaskets and O-rings.
-- Remove any old sealant from the grooves on the upper oil pan as well as from the sealing surfaces.
Risk of contaminating lubricating system.
- Cover open parts of engine.
Risk of eye injury.
- Wear protective eyewear.
-- Remove sealant residue on the upper section of the oil pan and the cylinder block, for example using a rotating plastic brush.
-- Clean the sealing surfaces; they must be free of oil and grease.
-- Make sure the dowel sleeves are inside the cylinder block; it not install them.
Note the expiration date of the sealing compound.
-- Cut the tube nozzle at the front marking (nozzle diameter approximately 1.5 mm).
-- Install the gaskets -1- and -2- into the upper oil pan.
The lubrication system could be plugged with excess sealant.
- Do not apply sealant bead thicker than specified.
-- Apply the sealant beads -arrows- to the clean sealing surface on the upper oil pan as shown in the illustration.
- The grooves -arrows- of sealing surfaces must be completely filled with sealant.
- The sealant beads must be 1.5 to 2.0 mm above the sealing surface.
Install the upper oil pan within five minutes of applying the sealant.
-- Position the upper oil pan and tighten the bolts. Refer to Figure.
The rest of the installation is performed in reverse order of removal, noting the following:
-- Install the oil pump. Refer to OIL PUMP .
-- Install the belt pulley side sealing flange. Refer to SEALING FLANGE, BELT PULLEY SIDE .
-- Install the power take-off drive chain. Refer to POWER TAKE-OFF DRIVE CHAIN .
-- Install timing chain lower cover. Refer to LOWER TIMING CHAIN COVER .
-- Fill engine oil and check oil level. Refer to Maintenance Procedures .