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Home >> Nissan-Datsun >> 2011 >> Altima V6-3.5L (VQ35DE) >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Timing Components >> Timing Cover >> Service and Repair >> Front Timing Chain Case

Front Timing Chain Case





FRONT TIMING CHAIN CASE


Removal and Installation












NOTE:
- This section describes the procedure for removal/installation of the front timing chain case without removing the oil pan (upper) from the vehicle.
- When rear timing chain case must be removed, remove the engine from the vehicle. 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. Removal And Installation.
- Component [1][2]Removal for component parts location.

REMOVAL
1. Disconnect the battery negative terminal. Removal And Installation Coupe (Coupe)
(Sedan).
2. Remove engine under cover. Removal And Installation Coupe.
3. Drain the engine coolant from the radiator.
4. Drain the engine oil.
5. Drain the power steering fluid. Draining.
6. Remove engine room cover.
7. Remove front air duct. Service and Repair.
8. Remove battery tray. Removal And Installation Coupe (Coupe) Exploded View Sedan Removal And Installation Sedan, "Removal and Installation (Battery Tray)" (Sedan).
9. Remove the hood ledge covers (RH and LH).
10. Remove cowl top and cowl top extension. Removal And Installation Coupe (Coupe) Removal And Installation Sedan, "Removal and Installation" (Sedan).
11. Remove upper radiator hose.

NOTE:
Cap or plug opening(s) to prevent fluid from spilling.
12. Disconnect engine coolant reservoir hose from the radiator and remove engine coolant reservoir.
13. Remove cooling fan assembly. Service and Repair.
14. Disconnect lower radiator hose from engine.

NOTE:
Cap or plug opening(s) to prevent fluid from spilling.
15. Disconnect the power steering fluid reservoir tank hose from the power steering pump and fluid cooler and remove the power steering fluid reservoir tank. .

NOTE:
Cap or plug opening(s) to prevent fluid from spilling.
16. Remove the front RH wheel and tire.
17. Remove the engine side under cover.
18. Remove the drive belt. Removal and Replacement.
19. Lock the drive plate using tool.

Tool number : - (J-50288)


CAUTION:
Do not damage the ring gear teeth, or the signal plate teeth behind the ring gear, when setting the
Tool.
20. Remove the crankshaft pulley as follows:
a. Loosen crankshaft pulley and locate bolt seating surface at 10 mm (0.39 in) 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.
21. Remove the power steering pump. Removal And Installation.
22. Remove the upper oil pan. Removal And Installation Upper Oil Pan M/T Models and Removal And Installation Upper Oil Pan CVT Models.
23. Remove the generator. Service and Repair.
24. Disconnect the A/C tubes from the A/C compressor and position aside.
25. Remove the A/C compressor bolts and remove the A/C compressor. Service and Repair.
26. Remove the generator bracket. Service and Repair.
27. Support the engine with suitable jack and remove the RH engine insulator, mount and bracket. Removal and Replacement.
28. Remove the rocker covers, if necessary. Removal And Installation LH and Removal And Installation RH, "Removal and Installation RH".

NOTE:
Necessary only when removing timing chains.





29. If removing the timing chains, 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.
30. Remove engine oil cooler tube bolts and bracket.
31. Disconnect the oil pressure switch harness connector.
32. Disconnect valve timing control harness connector.





33. Remove the Bank 1 (RH) (A) and Bank 2 (LH) (B) IVT covers.
- Loosen the IVT cover bolts in the reverse order as shown.

CAUTION:
The shaft in the IVT cover is inserted into the center hole of the intake camshaft sprocket. Remove the IVT cover by pulling straight out until the IVT cover disengages from the camshaft sprocket.
- A: Bank 1 (Conventional RH bank)
- B: Bank 2 (Conventional LH bank)
- C: Dowel pin hole
34. Remove the A/C idler pulley and bracket and the drive belt auto-tensioner.
35. If necessary, remove the idler pulley and water pump cover.





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





b. Insert the appropriate size tool into the notch (A) at the top of the front timing chain case as shown.
c. Pry off the case by moving the suitable tool (B) as shown.
- Cut liquid gasket for removal using Tool.

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





37. Remove O-rings (1) from rear timing chain case.
- A: Bank 1
- B: Bank 2

CAUTION:
Use new O-rings for installation.





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

CAUTION:
Do not damage the front cover.





39. Remove all old Silicone RTV Sealant from all the bolt holes and bolts.

CAUTION:
Do not damage the threads or mating surfaces.





40. 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 dowel pins (right and left) into front timing chain case up to a point close to taper in order to shorten protrusion length.





2. Install the new front oil seal on the front timing chain case. Apply new engine oil to the oil seal edges.

NOTE:
Install it so that each seal lip is oriented as shown.





a. Install the new front oil seal so that it becomes flush with the face with front timing chain case using suitable drift.

CAUTION:
Press fit straight and avoid causing burrs or tilting the oil seal.

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





3. Install new O-rings (1) on rear timing chain case.
- A: Bank 1
- B: Bank 2

CAUTION:
Use new O-rings for installation.





4. Apply Silicone RTV Sealant to front timing chain case as shown.
- Use Genuine Silicone RTV Sealant, or equivalent. Recommended Chemical Products And Sealants.
- Before installation, wipe off the protruding sealant.
- C: 2.6 - 3.6 mm (0.102 - 0.142 in) dia.
5. Install dowel pin on the rear timing chain case into dowel pin hole in front timing chain case.





6. Loosely install the front timing chain case bolts.






7. Tighten the front timing chain case bolts in the order as shown.
- Retighten the front timing chain case bolts in the order as shown.









8. Install upper oil pan bolts as shown. Removal And Installation Upper Oil Pan M/T Models and Removal And Installation Upper Oil Pan CVT Models, "Removal and Installation (Upper Oil Pan CVT Models)".
9. Install lower oil pan. Removal And Installation Lower Oil Pan.
10. Install intake valve timing control covers as follows:
a. Install new seal rings in shaft grooves.
b. Being careful not to move seal rings from the installation grooves, align dowel pins on front timing chain case with the holes to install valve timing control covers.





c. Tighten bolts in numerical order as shown.

IVT cover bolts 11.3 N.m (1.2 kg-m, 8 ft-lb)

- A: Bank 1
- B: Bank 2
- C: Dowel pin hole
11. Apply liquid gasket and install the water pump cover, if removed.
- Use Genuine Silicone RTV Sealant or equivalent. 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.





13. Remove the Tool attached.

Tool number : KV10117700 (J-44716)


CAUTION:
Do not damage the ring gear teeth, or the signal plate teeth behind the ring gear, when removing the Tool.
14. Rotate crankshaft pulley in normal direction (clockwise when viewed from front) to confirm it turns smoothly.
15. Installation of the remaining components is in reverse order of removal.

INSPECTION AFTER INSTALLATION
- Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required quantity, fill to the specified level. Recommended Chemical Products And Sealants.
- Use procedure below to check for fuel leakage.
- Turn ignition switch ON (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leakage at connection points.
- Start engine. With engine speed increased, check again for fuel leakage at connection points.
- Run engine to check for unusual noise and vibration.
- Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gas, or any oils/fluids including engine oil and engine coolant.
- Bleed air from passages in lines and hoses, such as in cooling system.
- After cooling down engine, again check oils/fluids including engine oil and engine coolant. Refill to specified level, if necessary.
- Summary of the inspection items:









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