Exhaust Manifold Installation; Egr Valve Installation - GMC 1989 Light Duty Truck Repair Manual

6A2-26 2.8 LITER V-6
A — A p p ly RTV Sealant
B — Forward
Figure 4 2 — Intake M anifold Installation
A. Apply Sealer Here
1 .
Nuts
Reinforcements
2 .
3. Rocker Arm Cover
Figure 43— Rocker Arm Cover Installation
EXHAUST MANIFOLD
a y
Clean
Mating surfaces of the manifold and cylinder head.
+«-
Install or C onnect (Figure 44)
1. Manifold.
2. Bolts and studs.

EGR VALVE INSTALLATION

"►+ Install or C onnect (Figure 6)
1. Gasket (82).
2. EGR valve (81).
3. Bolts (80).
F-05524
• Bolts to 25 N m (18 ft. lbs.).
4. Gasket
5. Studs
INSTALLATION
Tighten
Bolts to 34 N m (25 ft. lbs.
Tighten
B-09303