Procedures

FRONT TIMING CHAIN CASE





Removal and Installation






NOTE:
^ This section describes procedures for removal/installation procedure of the front timing chain case and timing chain related parts without removing the oil pan (upper) from the vehicle.
^ When oil pan (upper) needs to be removed or installed, or when rear timing chain case is removed or installed, remove oil pans (upper and lower) first. Then remove front timing chain case, timing chain related parts, and rear timing chain case in this order, and install in reverse order of removal. Refer to "TIMING CHAIN".
^ Refer to "TIMING CHAIN" for component parts location.

REMOVAL
1. Release the fuel pressure. Refer to "FUEL PRESSURE RELEASE".
2. Disconnect the battery negative terminal.
3. Drain the engine cooling system. Refer to "DRAINING ENGINE COOLANT".
4. Drain engine oil. Refer to "Changing Engine Oil".
5. Remove engine cover using power tool. Remove side engine covers.





6. Remove the intake air duct with the air cleaner case lid and mass air flow sensor. Refer to "REMOVAL".
7. Remove the engine coolant reservoir. Refer to "RADIATOR".





8. Disconnect the fuel rail quick connector at the vehicle piping side. Refer to "REMOVAL".
9. Remove the cowl top. Refer to "Removal and Installation"
10. Remove the windshield wiper assembly. Refer to "REMOVAL".
11. Remove the IPDM E/R and position aside. Remove the bracket.
12. Remove the front RH wheel and tire using power tool. Refer to "WHEEL AND TIRE ASSEMBLY".
13. Remove the engine undercover.
14. Remove the RH inner fender splash shield.
15. Remove the drive belts and idler pulley. Refer to "REMOVAL".
16. Recover the A/C system R134a and remove the A/C compressor. Refer to "Evacuating System and Charging Refrigerant".
17. Remove engine oil cooler pipe bolts.
18. Remove the power steering oil pump and reservoir tank with lines attached and position them aside.
19. Remove the lower oil pans. Refer to "REMOVAL".
20. Remove the generator. Refer to "REMOVAL".
21. Disconnect the engine harness and position aside.
22. Remove A/C low pressure line. Refer to "Removal and Installation for Low-pressure Flexible Hose"
23. Support the engine and remove the RH engine mounting insulator, mount and bracket. Refer to "Removal and Installation".
24. Remove the water pump cover and chain tensioner cover from the front timing chain case using Tool.
Tool number : KV10111100 (J37228)
^ Be careful not to damage the mating surface.
^ Do not insert a screwdriver. this will damage the mating surfaces.





25. Remove the IVT control covers, right and left. Loosen the IVT control cover bolts in the order shown.

NOTE: The shaft in the cover is inserted into the center hole of the intake camshaft sprocket. Remove the cover by pulling straight out until the cover disengages from the camshaft sprocket.

26. On A/T vehicles, remove the starter motor. Refer to "5 Speed A/T Models".
27. Remove the intake manifold collector. Refer to "REMOVAL".





28. Remove the six ignition coils.

NOTE: Note locations for installation.

29. Remove the six spark plugs.
30. Remove the engine oil dipstick.





31. If necessary, remove the rocker covers. Loosen the rocker covers bolts in the order shown.

NOTE: Necessary only when removing secondary timing chains.





32. Remove the IVT control solenoid valves.
^ Discard the gaskets and use new gaskets for installation.
33. Obtain compression TDC of No. 1 cylinder as follows:





a. Rotate crankshaft pulley clockwise to align timing mark (grooved line without color) with timing indicator.





b. Check that intake and exhaust camshaft lobes on No. 1 cylinder (right bank of engine) are located as shown.
^ If not, turn the crankshaft one revolution (360°) and align as shown.








34. Lock the ring gear using Tool attached to the mounting bolt hole.
Tool number : KV10117700 (J44716)

CAUTION: Do not damage the ring gear teeth, or the signal plate teeth behind the ring gear, when setting the stopper.

35. Remove the crankshaft pulley as follows:





a. Loosen crankshaft pulley mounting bolt using pulley holder and locate bolt seating surface at 10 mm (0.39 inch) from its original position.





b. Position a pulley puller at recess hole of crankshaft pulley to remove crankshaft pulley.

CAUTION: Do not use a puller claw on crankshaft pulley periphery.





36. Loosen the lower oil pan bolts using power tool in order shown. Remove the lower oil pan.





a. Insert Tool between the lower oil pan and the upper oil pan.
^ Be careful not to damage the mating surface.
^ Do not insert a screwdriver, this will damage the mating surfaces.
b. Slide the Tool by tapping its side with a hammer to remove the lower oil pan from the upper oil pan.





37. Loosen upper oil pan front bolts in the order shown.
38. Temporarily install lower oil pan.
39. Support front of engine under oil pan using a jack.
40. Remove the front timing chain case.





a. Loosen the front timing chain case bolts in the order shown.





b. Insert the appropriate size tool into the notch (1) at the top of the front timing chain case as shown.
c. Pry off the case by moving the suitable tool (2) as shown.
^ Cut liquid gasket for removal using Tool.
Tool number : KV10111100 (J37228)

CAUTION:
^ Do not use a screwdriver or similar tool.
^ After removal, handle carefully so it does not bend, or warp under a load.





41. Remove the front oil seal from the front timing chain case using a suitable tool.

CAUTION: Do not damage the front cover.

42. Remove timing chain and related parts. Refer to "REMOVAL".





43. Use a scraper to remove all of the old Silicone RTV Sealant from the front timing chain case and opposite mating surfaces.

CAUTION: Do not damage the mating surfaces.

INSTALLATION





1. Install timing. chain and related parts. Refer to "INSTALLATION".
2. Install dowel pins (right and left) into front timing chain case up to a point close to taper in order to shorten protrusion length.





3. Install the front oil seal on the front timing, chain case. Apply new engine oil to the oil seal edges.
^ Install it so that each seal lip is oriented as shown.





^ Make sure the garter spring is in position and seal lip is not inverted.





4. Apply Silicone RTV Sealant to front timing chain case as shown.
^ Use Genuine Silicone RTV Sealant, or equivalent. Refer to "RECOMMENDED FLUIDS AND LUBRICANTS".
^ Before installation, wipe off the protruding sealant.
^ Install dowel pin on the rear timing chain case into dowel pin hole in front timing chain case.





5. Apply Silicone RTV Sealant to top surface of oil pan (upper) as shown.
^ Use Genuine Silicone RTV Sealant, or equivalent. Refer to "RECOMMENDED FLUIDS AND LUBRICANTS".
6. Install front timing chain case.





a. Install lower end of front timing chain case tightly onto top surface of oil pan (upper).

CAUTION: Be careful that oil pan gasket is in place.





b. While pressing front timing chain case from its front and top shown, hammer dowel pin until the outer end becomes flush with surface.





7. Loosely install the front timing chain case bolts.
Bolt position Bolt diameter
1, 2 : 8 mm (0.31 inch)
3 - 22 : 6 mm (0.24 inch)
8. Tighten the front timing chain case bolts in the order shown.
^ Retighten the front timing chain case bolts in the order shown.
Bolt position Tightening specification
1, 2 : 25.5 - 31.4 Nm (2.6 - 3.2 kg-m, 18.8 - 23.1 ft. lbs.)
3-22 : 11.8 - 13.7 Nm (1.2 - 1.4 kg-m, 8.7 - 10.1 ft. lbs.)





9. Install the upper oil pan front bolts in the order shown.
Upper oil pan front bolts : 15.7 - 18.6 Nm (1.6 - 1.8 kg-m, 12 - 13 ft. lbs.)
10. Install IVT control valve covers as follows:





a. Install new collared O-rings in front cover oil hole (LH and RH sides).





b. Install new seal rings on the IVT control covers.
c. Apply Silicone RTV Sealant to the IVT control covers.
^ Use Genuine Silicone RTV Sealant, or equivalent. Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS".





^ Being careful not to move the seal ring from the installation groove, align the dowel pins on the chain case with the holes to install the IVT control covers.
^ Tighten the intake valve timing control cover bolts in the order shown.
Intake valve timing control cover bolts: 9.81 - 12.7 Nm (1.0 - 1.2 kg-m, 87 - 112 inch lbs.)





11. Apply liquid gasket and install the water pump cover and the chain tensioner cover.

Water pump cover bolts : 10 - 12 Nm (1.0 - 1.3 kg-m, 87 - 112 inch lbs.)

Chain tensioner cover bolts : 10 - 12 Nm (1.0 - 1.3 kg-m, 87 - 112 inch lbs.)
^ Use Genuine Silicone RTV Sealant or equivalent. Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS".








12. Install crankshaft pulley and tighten the bolt in two steps. Lubricate thread and seat surface of the bolt with new engine oil.
^ Apply a paint mark for the second step of angle tightening.
Step 1 : 39 - 49 Nm (4.0 - 5.0 kg-m, 29 - 36 ft. lbs.)
Step 2 : 60° - 65° degrees clockwise
13. Rotate crankshaft pulley in normal direction (clockwise when viewed from front) to confirm it turns smoothly.
14. For the following operations, perform steps in the reverse order of removal.

NOTE: If hydraulic pressure inside chain tensioner drops after removal/installation, slack in the guide may generate a pounding noise during and just after engine start. This is normal. Noise will stop after hydraulic pressure rises.