Chevrolet 1988 Light Duty Truck Repair Manual page 382

6A1-30 2.5 LITER L4 ENGINE
5. Fan and fan clutch.
THERMOSTAT HOUSING
INSTALLATION
0
Install or C on n ect (F ig u re 58)
1. Therm ostat housing and new gasket.
2. Therm ostat housing bolts.
3. Therm ostat bypass hose.
8.
S tu d
9.
B o lt
10 C o o la n t F ittin g
.
11 G a ske t
.
12 T h e rm o s ta t
.
13. T h e rm o s ta t H o u s in g
14. B o lt
15. H o se C la m p
H o se
16.
21 G a s k e t
.
Figure 58— Therm ostat Housing Components
. ' 5
/
21
14
F-01986
INTAKE MANIFOLD INSTALLATION
-►+ Install or C o n n e ct (F ig u re 59)
1. Gasket.
• Apply sealant to the bolts indicated in figure 59.
2. Intake manifold.
3. Intake manifold bolts and washers.
T ig h ten
• Intake m anifold bolts to 34 N m (25 ft. lbs.).
4. Vacuum lines and electrical connectors, as needed.
EXHAUST MANIFOLD
INSTALLATION
Install or C o n n ect (F ig u re 60)
1. Exhaust manifold and a new gasket.
2. Exhaust manifold bolts and washers.
$ T ig h ten
• Exhaust manifold bolts. Use the tightening
sequence and the specifications shown in
figure 60.
Oxygen sensor wire.
4. Thermae heat stove pipe.
FLYWHEEL INSTALLATION
[•»+| Install or C o n n ec t (F ig u re 5)
1. Spacer (68).
2. Flywheel (67).
3. Bolts (66).
T ig h te n
Flywheel bolts (66).
— Automatic transm issions: 75 N m (55 ft.
lbs.).
— Manual transm issions: 90 N m (65 ft.
lbs.).
ENGINE ACCESSORY
INSTALLATION
Install the engine accessories (distributor, TBI unit oil
filter, generator, etc.) as directed in the proper Truck
Service Manual. Connect all vacuum hoses and electrical
equipm ent the same way as removed.
ENGINE SETUP AND
TESTING
1. After overhaul, the engine should be tested before
installing it in the vehicle. If a suitable test stand is
not available, the following procedure can be used
after the engine is installed in the vehicle.