Throttle Body Cleaning; Intake Manifold Removal And Installation - Suzuki GRAND VITARA Owner's Manual

6) Disconnect connector (3) from electric throttle body
assembly.
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7) Remove electric throttle body assembly from intake
manifold.
Installation
1) Clean mating surfaces, and install new throttle body
gasket to intake manifold.
2) Install electric throttle body assembly (1) to intake
manifold.
3) Connect connector (2) to electric throttle body
assembly securely.
4) Connect engine coolant hoses (3) to electric throttle
body assembly (1).
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5) Connect air cleaner outlet hose (1) to air cleaner
case and electric throttle body assembly.
6) Connect breather hose (2) to air cleaner outlet hose
(1).
7) Refill coolant referring to "Cooling System Flush and
Refill: in Section 1F".
8) Connect negative cable at battery.
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Engine Mechanical: For J20 Engine 1D-77
9) Perform calibration of electric throttle body assembly
referring to "Electric Throttle Body System
Calibration: in Section 1C" if replaced.

Throttle Body Cleaning

Clean electric throttle body assembly referring to
"Throttle Valve Operation Check" under "Electric Throttle
Body Assembly On-Vehicle Inspection: in Section 1C".

Intake Manifold Removal and Installation

CAUTION
!
Never disassemble intake manifold.
Disassembly will spoil its original
performance. If faulty condition is found,
replace it with new one.
Removal
1) Disconnect negative cable at battery.
2) Drain cooling system referring to "Cooling System
Draining: in Section 1F".
3) Remove engine cover.
4) Remove air cleaner outlet hose (1) and breather
hose (2).
5) Remove electric throttle body assembly referring to
"Electric Throttle Body Assembly Removal and
Installation: For J20 Engine".
6) Disconnect the following electric lead wires:
• EVAP canister purge valve coupler (1)
• MAP sensor coupler (2)
7) Disconnect the following hoses:
• Brake booster hose (3) from intake manifold
• PCV hose (4) from PCV valve
• Fuel pressure regulator vacuum hose (5) from
intake manifold
• Vacuum hose (6) from EVAP canister purge valve
• Vacuum hose (7) from vacuum tank
• EVAP canister purge hose (8) from EVAP canister
purge valve
8) Remove EGR pipe bolt (9) from EGR pipe.
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