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Home >> Suzuki >> 2000 >> Esteem GL Sedan L4-1.8L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Testing and Inspection >> Engine Vacuum Check
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Engine Vacuum Check

ENGINE VACUUM CHECK
The engine vacuum that develops in the intake line is a good indicator of the condition of the engine. The vacuum checking procedure is as follows:
1. Warm up engine to normal operating temperature and make sure that engine idle speed is within specification.

NOTE: After warning up engine, place transmission gearshift lever in "Neutral" and set parking brake and block drive wheels.

2. Stop engine and disconnect vacuum hose between vacuum pipe and intake manifold from vacuum pipe.





3. Connect special tools (vacuum gauge and hose joint) to vacuum hose of intake manifold side.
Special Tools
(A): 09915-67310
(B): 09918-08210
SUZUKI GENUINE PARTS
(C): Hose 09355-35754-600
(D): 3-way joint 09367-04002
4. Start engine and run engine at specified idle speed, and read vacuum gauge. Vacuum should be within specification.
Vacuum specification: 52.6 - 65.8 kPa (40 - 50 cm-Hg, 15.7 - 19.7 in-Hg) at specified idling speed
5. After checking, remove special tools.
6. Connect vacuum hose to vacuum pipe.
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