GMC T Series 1994 Repair Manual page 558

3. Injection lines to the nozzles. Uncap the lines
before assembly. Do not bend the injection lines.
Tighten
%
• Injection line fittings at both ends of the lines to
25 N-m (19 lbs. ft.).
4. Injection line clips to the brackets.
INTAKE M ANIFOLD
INSTALLATION
«-+ Remove or Disconnect
• J 29664-1 from the intake ports.
Install or Connect (Figure 87)
Tool Required:
J 29664 Manifold Cover Set
1. New gaskets. Be sure to use the correct gasket.
The gaskets for light duty emissions models have
openings for the EGR, the gaskets for heavy duty
emissions models do not.
2. Intake manifold.
N O T IC E : R e f e r to " N o t i c e " o n p a g e 6 A 7 -1 .
3. Intake manifold bolts/studs and fuel line clips.
There are 4 bolts, numbers 9, 11, 13, and 15
exposed to the crankcase, and should be sealed
with teflon sealer (figure 87).
Tighten
• Intake manifold bolts/studs to 42 N-m (31 lbs.
ft.). Use the tightening sequence shown in fig­
ure 87.
4. J 29664-2 to the mouth of the intake manifold.
A. CYLINDER NUMBER 8
B. CYLINDER NUMBER 7
C. CYLINDER NUMBER 2
D. CYLINDER NUMBER 6
E. CYLINDER NUMBER 5
F. CYLINDER NUMBER 4
G. CYLINDER NUMBER 3
H. CYLINDER NUMBER 1
Figure 86— Injection Line Routing
OIL PUMP DRIVE INSTALLATION
N O T IC E : D o n o t r u n th e e n g in e w it h o u t th e
g e a r d r iv e n o il p u m p d r iv e in p la c e . T h is w ill
c a u s e e x t e n s iv e e n g in e d a m a g e .
-►+
Install or Connect (Figure 88)
1. New gasket to the oil pump drive.
3 7 0 6 r 9 2 6 3