vr v6 engine specs

[Garth]

3.8 liter v6 engine VRV6
This spec’s cover vr models only
spec’s

cylinder numbers (facing front of engine)

left bank 2-4-6
right bank 1-3-5

Firing order 1-6-5-4-3-2

Flex plate run out maximum
Vr .38mm

Camshaft
Bearing journal diameter

Vr (from 11/90) 45.334 to 45.369mm
Lobe lift
Vr
Intake 6.43mm
Exhaust 6.48mm

Acceptable level of camshaft play on all models 0.16 to 0.27mm
Oil pump
Outer bear to housing clearance limit .203to .381mm
Inter gear to outer gear clearance limit .15mm
Gear to end clearance .025 to .089mm
Depth 11.71 to 11.75mm
Diameter 89.10 to 89.20mm
Pressure regulator to bore clearance .038 to .076mm

Torque specifications
Beaming brace
Vr model
Clutch housing bolts 15 to.35nm
Torque converter housing bolts 40 to.60nm
Sump bolts 8 to 12nm

Camshaft sprocket bolt
vr (1 bold type) 1 bolt 190 to 200nm


Camshaft trust plate screws 12 to 18nm
Crankshaft balancer to crankshaft bolt 270 to 325nm
Cylinder head bolts, in sequence
Step 1 81nm
Step2 turn an additional 90 degrees
Step 3
vr, 81nm

Exhaust manifold to cylinder head bolts/studs 40 to 60nm
Exhaust manifold stud nuts 20 to 27nm
Flywheel/drive plate to crankshaft bolts
Vr:
Step 1 18-22nm
Step 2 turn an extra 73 degrees

Front cover bolts 20 to 30nm
Inlet manifold to cylinder head bolts 8 to 12nm
Sump bolts 8 to 12nm
Oil filter adapter to timing chain cover bolts 27 to 35nm
Oil pump
Cover screws 8 to 14nm
Pick up tube and screen assembly bolts 8 to 12nm
Rocker arm pivot bolts
Vr
Step 1 15nm
Step 2 turn a extra 90 degrees
Timing chain damper retaining bolt 26nm
Valve cover nuts/bolts 7 to 11nm

Use new bolts for vr series flywheel drive plate to crankshaft bolts, discard old one’s. old one’s loose effective thread.