Removal and Installation: Installation
WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
- Install the valve lifters if removed.
- Install removed parts in their original locations.
- Install the camshafts. Refer to the figure below for identification of the right and left bank, and intake and exhaust.
Courtesy of NISSAN MOTOR CO., U.S.A.
Courtesy of NISSAN MOTOR CO., U.S.A.
- Install so that the dowel pin at the front of the camshaft face is in the direction shown.
- Install the camshaft brackets.
- Install by referring to the installation location mark on the upper surface.
- Install so that the installation location mark can be correctly read when viewed from the intake manifold side.
- Install No. 1 camshaft bracket using the following procedure:
- Apply liquid gasket to No. 1 camshaft bracket as shown.
Use Genuine RTV Silicone Sealant or equivalent. Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
CAUTION:- After installation, be sure to wipe off any excessive liquid gasket leaking from part "A" and "B" (both on right and left sides).
- Remove completely any excess of liquid gasket inside bracket.
- Apply liquid gasket to the back side of the front cover as shown.
Use Genuine RTV Silicone Sealant or equivalent. Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
- Position No. 1 camshaft bracket close to the mounting position, and then install it to prevent from touching liquid gasket applied to each surface.
- Temporarily tighten the front cover bolts (4 for each bank) as shown.
- Apply liquid gasket to No. 1 camshaft bracket as shown.
- Tighten the camshaft bracket bolts as follows:
- Camshaft bracket bolts
- Step 1 (bolts 9-12): 1.96 N.m (0.2 kg-m, 17 in-lb)
- Step 2 (bolts 1-8): 1.96 N.m (0.2 kg-m, 17 in-lb)
- Step 3 (all bolts): 5.88 N.m (0.6 kg-m, 52 in-lb)
- Step 4 (all bolts): 10.4 N.m (1.1 kg-m, 92 in-lb)
CAUTION: After tightening the camshaft bracket bolts, be sure to wipe off excessive liquid gasket from the parts listed below.- Mating surface of rocker cover
- Mating surface of front cover
- Tighten the front cover bolts (4 for each bank) as shown to the specified torque.
- Front cover bolts: 11.0 N.m (1.1 kg-m, 8ft - lb)
- Install the camshaft sprockets using the following procedure:
- Install the camshaft sprockets aligning them with the matching marks painted on the timing chain when removed. Align the camshaft sprocket key groove with the dowel pin on the camshaft front edge at the same time. Then temporarily tighten bolts.
Courtesy of NISSAN MOTOR CO., U.S.A.
- Install the intake and exhaust side camshaft sprockets by selectively using the groove of the dowel pin according to the bank. (Common part used for both banks.)
- Lock the hexagonal part of the camshaft in the same way as for removal, and tighten the bolts.
- Check again that the timing mating mark on the timing chain and on each sprocket are aligned.
- Install the camshaft sprockets aligning them with the matching marks painted on the timing chain when removed. Align the camshaft sprocket key groove with the dowel pin on the camshaft front edge at the same time. Then temporarily tighten bolts.
- Install the chain tensioner using the following procedure:NOTE: Left bank is shown.
- Install the chain tensioner.
- Compress the plunger and hold it using a stopper pin when installing.
- Loosen the slack guide side timing chain by rotating the camshaft hexagonal part if mounting space is small.
- Chain tensioner bolts: 6.9 N.m (0.70 kg-m, 61 in-lb)
- Remove the stopper pin and release the plunger, and then apply tension to the timing chain.
- Install the chain tensioner cover onto the front cover (RH bank).
- Apply liquid gasket as shown.
Use Genuine RTV Silicone Sealant or equivalent. Refer to "RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ".
- Tensioner cover bolts: 9.0 N.m (0.92 kg-m, 80 in-lb)
- Apply liquid gasket as shown.
- Install the chain tensioner.
- Check and adjust valve clearances. Refer to "VALVE CLEARANCE ".
- Installation of the remaining components is in the reverse order of removal.