Riviera V6-3.8L SC VIN 1 (1995)
1.
Make sure rear housing gasket is removed and no debris remains (VIN K).
2.
Remove J 36995-5 and replace with J 36995-1 (All) and J 36995-8 (VIN K).
3.
Install J 36995 assembly to rear of engine block.
4.
Install J 36995-2A to front of block and to end of J 36995 assembly using washer and nut provided.
5.
Dip bearing and/or bushing in clean engine oil before installation.
6.
Balance shaft rear bearing (except VIN K), bushing (VIN K) by turning the nut on J 36995 assembly.
^
The bearing (except VIN K) will be installed properly when the shoulder of J 36995-1 fully contacts the balance shaft bore.
^
The bushing (VIN K) will be Installed properly when J 36995-8 and J 36995-1 fully contacts the balance shaft bore or the cylinder
block/transaxle mounting flange.
7.
Remove J 36995 assembly.
8.
Dip the front balance shaft bearing into clean engine oil before installation.
9.
Balance shaft into block using J 36996 and J 21465-13.
10.
Temporarily install balance shaft bearing retainer and bolts.
11.
Balance shaft drive gear and bolt.
Notice:
This bolt is designed to permanently stretch when tightened. The correct part number fastener must be used to replace this type of fastener. Do
not use a bolt that is stronger in this application. If the correct bolt is not used, the parts will not be tightened correctly. Part or system damage
may occur.
Tighten
^
Bolt to 22 Nm (16 lb.ft.) plus 70°.
12.
Rear main oil seal housing (VIN K), rear plug (except VIN K).
Measure
^
Balance shaft end play. End play should be 0.203 mm (0.008 inch).
^
Balance shaft front radial play. Radial play should be 0.206 mm (0.0011 inch).
^
Balance shaft rear radial play. Radial play should be 0.0127-0.119 mm (0.0005-0.0047 inch).
13.
Turn the camshaft so that with the camshaft sprocket temporarily installed, the timing mark is straight down.
14.
With the camshaft sprocket and the camshaft gear removed, turn the balance shaft so that the timing mark on the gear points are straight down.
15.
Camshaft gear.
^
Align the marks on the balance shaft gear and the camshaft gear by turning the balance shaft.
16.
Turn the crankshaft so that number one piston is at top dead center (TDC).
17.
Timing chain and camshaft sprocket. Measure
^
Gear lash at four places (every 1/4 turn):
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Gear lash should be 0.050-0.127 mm (0.002-0.005 inch).
18.
Balance shaft retainer and bolts. Tighten
^
Bolts to 30 Nm (22 lb.ft.).
