B4000 Regular Cab 4WD V6-4.0L OHV (1997)
Left
1. Remove the oil level dipstick tube support bracket.
2. Remove the power steering oil pump pressure and return hoses, if necessary.
3. Remove the exhaust manifold retaining bolts and studs.
4. Remove the exhaust manifold from the vehicle.
Right
1. Remove the heater hose support bracket.
2. Disconnect the heater hoses.
3. Remove the exhaust manifold retaining bolts and studs.
4. Remove the exhaust manifold from the vehicle.
INSTALLATION NOTES
Rear bracket and insulator assembly
1. Position the bracket and insulator assembly on the frame.
2. Attach the bracket and insulator assembly with a nut and bolt.
Tightening torque: 20-27 Nm (15-20 ft.lbs.)
Silencer heat shield
1. Position the heat shield under the silencer body.
2. Install two screws to the rear of the silencer.
Tightening torque: 16-23 Nm (12-17 ft.lbs.)
3. Start the band straps and tighten.
Tightening torque: 7 Nm (60 in.lbs.)
EXHAUST MANIFOLDS
NOTE: Lightly oil all bolts and stud threads before installation.
Left
1. Clean the mating surfaces of the exhaust manifold and cylinder head.
2. Position the manifold in place and tighten bolts and studs.
Tightening torque: 27 Nm (20 ft.lbs.)
3. Connect the power steering oil pump pressure and return hoses, if removed.
4. Install the oil level dipstick tube support bracket. Apply the appropriate sealant to the end of the tube to prevent an oil leak at the block.