Engine Mechanical (QR25DE) (Sedan): Specifications Nissan Altima L33

Parts Requiring Angular Tightening

1. Use an angle wrench for the final tightening of the following engine parts. Cylinder head bolts Lower cylinder block bolts Connecting rod cap bolts Crankshaft pulley bolt (No angle wrench is required as the bolt flange is provided with notches for angular tightening)
2. Do not use a torque value for final tightening.
3. The torque value for these parts are for a preliminary step.
4. Ensure thread and seat surfaces are clean and coated with engine oil.

Scheme 1

1. After removing the bolts and nuts, separate the mating surface and remove the liquid gasket using Tool (A). Tool Number (A): KV10111100 (J-37228) CAUTION: Be careful not to damage the mating surfaces.
2. In areas where the cutter is difficult to use, use a plastic hammer to lightly tap (1) the cutter where the liquid gasket is applied. Use a plastic hammer to slide (2) the cutter by tapping on the side.

Scheme 2

Scheme 3

Scheme 4

1. Using a scraper, remove the old liquid gasket adhering to the gasket application surface and the mating surface. Remove the liquid gasket completely from the groove of the gasket application surface, mounting bolts, and bolt holes.
2. Thoroughly clean the gasket application surface and the mating surface and remove adhering moisture, grease and foreign materials.
3. Attach the liquid gasket tube to the tube presser. Use Genuine Silicone RTV Sealant or equivalent. Refer to " «RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS»(ref-575990-S09549181472013090900000) ".
4. Apply the liquid gasket using suitable tool without breaks to the specified location. If there is a groove for the liquid gasket application, apply the liquid gasket to the groove. As for the bolt holes, normally apply the liquid gasket inside the holes. If specified, it should be applied outside the holes. Make sure to read the text of this information. Within five minutes of the liquid gasket application, install the mating component. If the liquid gasket protrudes, wipe it off immediately. Do not retighten after the installation. After 30 minutes or more have passed from the installation, fill the engine with the specified oil and coolant. Refer to " «FOR USA AND CANADA: FLUIDS AND LUBRICANTS»(ref-576068-S24915337612013090900000) ". CAUTION: If there are more specific instructions in the procedures contained in this information concerning liquid gasket application, observe them.

GENERAL SPECIFICATIONS

See also:
• WORK PROCEDURE