Fuel Rail Removal (2.3L); Intake Manifold Installation (2.3L); Upper Intake Manifold Installation (2.3L); Upper Intake Manifold/Intake Manifold Inspection (2.3L) - Mazda B-Series 1997 Workshop Manual

INTAKE AIR SYSTEM
Removal Note
Fuel rail
Warning
Before performing the following operation, release
the fuel pressure from the system to reduce the
possibility of injury or fire. (Refer to page F1-6.)
1 . Release fuel pressure from the fuel system. (Refer to
page F1-6.)
2. Disconnect the fuel supply line using the SST.
3. Disconnect the fuel return line using the SST.
6BUOF1-011
Installation Note
Intake manifold
1. Clean and apply a small amount of clean engine oil to all
bolts and stud threads before installing them.
2.
Install the intake manifold and hand-tighten all the bolts
and stud.
3. Tighten the intake manifold bolts and stud in the order
shown to the specified torque.
l a
FRONT OF ENGINE
I
FRONT OF ENGINE
MF1573-A 5BUOF1-007
Tightening torque:
26-38 N-m (2.7-3.8 kgfm, 19-28 ft.lbf)
5BUOF1-094
Upper intake manifold
I. Install the upper intake manifold and hand-tighten all the
bolts and studs.
2.
Tighten the upper intake manifold bolts and studs in the
order shown in two steps.
Tightening torque:
Step 1: 7-10 N-m (7.1-10 kgf-cm, 61-48 in.lbf)
Step 2: 26-38 N-m (2.7-3.8 kgf-m, 19-28 ft-lbf)
5BUOF1-095
UPPER INTAKE MANIFOLD 1 INTAKE MANIFOLD
Inspection
1 . Check for damage and cracks.
2. Verify flatness of the manifold contact surface.
3. Replace it if necessary.
6BUOF1-003