tow bar SUZUKI GRAND VITARA 2001 2.G Owners Manual

ENGINE MECHANICAL (H27 ENGINE) 6A2-3
REMOVAL
1) Release fuel pressure in fuel feed line by referring to Section
6.
2) Disconnect negative (–) cable at battery.
3) Drain coolant.
4) Remove strut tower bar (2).
5) Disconnect coupler from intake air temp. sensor, and MAF
sensor.
6) Remove surge tank cover (1).
7) Remove air cleaner upper case, intake air hose, intake air
pipe (1) and surge tank pipe (2) as one component. Do not
disassemble them, when removing and reinstalling. CAUTION:
This work must not be done when engine is hot. If done
so, it may cause adverse effect to catalyst.
WARNING:
To help avoid danger of being burned, do not remove
drain plug and radiator cap while engine and radiator are
still hot. Scalding fluid and steam can be blown out under
pressure if plug and cap are taken off too soon.
1. Radiator
2. Radiator drain plug
2
1
1
2

6A2-8 ENGINE MECHANICAL (H27 ENGINE)
16) Connect water hoses (3) to throttle body.
17) Connect accelerator cable (1) and A/T throttle cable (2) (for
A/T vehicle) to throttle body.
18) Install surge tank pipe (2) to intake manifold with new gas-
kets and intake air pipe (1) to throttle body.
19) Install surge tank cover (1).
20) Install air cleaner upper case.
21) Connect coupler to intake air temp. sensor and MAF sensor.
22) Install strut tower bar (1).
23) Check to ensure that all removed parts are back in place.
Reinstall any necessary parts which have not been rein-
stalled.
24) Refill cooling system referring to “COOLING SYSTEM
FLUSH AND REFILL” in Section 6B.
25) Connect negative cable at battery.
12
33
1
2
1

6A2-26 ENGINE MECHANICAL (H27 ENGINE)
Unit Repair Overhaul
Engine Assembly
REMOVAL
1) Release fuel pressure in fuel feed line. Refer to “FUEL
PRESSURE RELIEF PROCEDURE” in Section 6.
2) Disconnect negative (–) cable at battery.
3) Remove engine hood.
4) Drain engine oil.
5) Drain coolant.
6) Remove radiator, radiator fan shroud, cooling fan and radia-
tor reservoir. Refer to “COOLING FAN AND FAN CLUTCH”
and “RADIATOR” in Section 6B.
7) Disconnect accelerator cable (1) and A/T throttle cable (for
A/T vehicle) (2) from throttle body.
8) Remove strut tower bar and surge tank cover.
9) Disconnect IAT sensor coupler and MAF sensor coupler then
remove air cleaner upper case, intake air hose, intake air
pipe and surge tank pipe as a component.
10) Remove engine oil level gauge guide and A/T fluid level
gauge guide (for A/T vehicle).
11) Remove ignition coil covers.
12

6E2-18 ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE)
Air Intake System
Throttle body
REMOVAL
1) Disconnect negative (–) cable at battery.
2) Drain cooling system.
3) Remove strut tower bar.
4) Disconnect accelerator cable (1) and or A/T throttle cable (2)
from throttle body.
5) Disconnect water hoses from throttle body.
1. Throttle body 4. Water hose
2. Intake collector 5. MAF sensor
3. Breather hose 6. TP sensor

ENGINE AND EMISSION CONTROL SYSTEM (SEQUENTIAL MULTIPORT FUEL INJECTION FOR H27 ENGINE) 6E2-21
14) Install strut tower bar (1) and tighten bolts.
15) Refill cooling system.
16) Connect negative (–) cable at battery.
17) Adjust accelerator cable and A/T throttle cable, refer to
“ACCELERATOR CABLE ADJUSTMENT” and “A/T THROT-
TLE CABLE ADJUSTMENT” in this section.
Idle air control valve (IAC valve)
REMOVAL
1) Disconnect negative (–) cable at battery.
2) Disconnect IAC valve connector.
3) Remove IAC valve (1) from throttle body.
INSPECTION
1) Disconnect connector from IAC valve.
2) Check each coil of IAC valve for resistance.
If resistances is out of specification, replace.
IAC valve resistance:
Terminals Resistance
Between “1” and “2”
25.5 - 33.5 Ω
ΩΩ Ω Between “3” and “2”
Between “4” and “5”
Between “6” and “5”