Removal and Installation

The following information pertains to TSB 10-055

Classification: EM10-012

Reference: ITB10-055

Date: August 19, 2010

QX56; REVISED UPPER OIL PAN AND TIMING CHAIN CASE PROCEDURES

APPLIED VEHICLES: 2004-2010 QX56 (JA60)

SERVICE INFORMATION

Removal and installation procedures for the upper oil pan and timing chain case have been updated to no longer require engine removal and installation.

Infiniti Service Manuals for 2004-2010 QX56 vehicles will be updated with these new procedures. Updated Service Manuals will be distributed to the field as quickly as possible.

The standard Flat Rate Times will be adjusted to reflect the new procedures.

Until the updated Service Manuals are made available please use the procedures hyperlinked below for any upper oil pan and timing chain case-related repairs on an Applied Vehicle.





EM-1





EM-2





EM-3





EM-4





EM-5





EM-6





EM-7





EM-8





EM-9





EM-10





EM-11



OIL PAN AND OIL STRAINER


Removal and Installation


REMOVAL

WARNING:
To avoid the danger of being scalded, never drain the engine oil when the engine is hot.
1. Drain engine oil. Removal and Replacement.
2. Remove the engine. Removal and Installation.
3. Remove the oil pan (lower) using the following steps.





a. Remove the oil pan (lower) bolts in the reverse order as shown using power tool.
- : Engine front b. Insert Tool between the lower oil pan and the upper oil pan.

Tool number : KV10111100 (J-37228)


CAUTION:





- Be careful not to damage the mating surface.
- Do not insert a screwdriver, this will damage the mating surfaces.
c. Slide (2) the Tool by tapping (1) its side with a hammer to remove the lower oil pan from the upper oil pan.
4. Remove the oil strainer from the oil pan (upper).
5. Remove the oil cooler, if necessary. Removal and Replacement.
6. Remove the oil pan (upper) using the following steps.





a. Remove the oil pan (upper) bolts in the reverse order as shown.
- : Engine front b. Remove the oil pan (upper) from the cylinder block by prying it at the points shown, using suitable tool.

CAUTION:





Do not damage mating surface.





7. Remove the O-rings from the oil pump and front cover.

NOTE:
Do not reuse O-rings.

INSPECTION AFTER REMOVAL
Clean the oil strainer.

INSTALLATION





1. Install the oil pan (upper) using the following steps.
a. Apply liquid gasket thoroughly as shown.
Use Genuine RTV Silicone Sealant or equivalent. Fluid Type Specifications.

CAUTION:
Apply liquid gasket to outside of bolt hole for the hole shown by .





b. Install new O-rings to the oil pump and front cover side.





c. Tighten the bolts in numerical order as shown.

M6 � 30 mm (1.18 in) : No. 16, 17
M8 � 25 mm (0.98in) : No. 1, 3, 5, 7, 9, 13, 15
M8 � 45 mm (1.77 in) : No. 2, 4, 6, 8, 10, 14
M8 � 123 mm (4.84in) : No. 11, 12

2. Install the oil strainer to the oil pan (upper).





3. Install the oil pan (lower).
a. Apply liquid gasket thoroughly as shown.
Use Genuine RTV Silicone Sealant or equivalent. Fluid Type Specifications.





b. Tighten the oil pan (lower) bolts in numerical order as shown.
4. Install the oil pan drain plug.
5. Install engine assembly. Removal and Installation.
- Do not fill the engine oil for at least 30 minutes after oil pan is installed.

INSPECTION AFTER INSTALLATION
1. Check engine oil level and add engine oil if necessary. Procedures.
2. Start the engine, and check for leaks of engine oil.
3. Stop engine and wait for 10 minutes.
4. Check engine oil level again.