Cylinder Leakage Test (1.6L LLU)
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Cylinder Leakage Test (1.6L LLU)
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3.
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Remove the right engine splash guard.
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7.
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Detach the engine management wiring harness from intake manifold, cylinder head cover.
Remove from bracket.
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8.
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Remove the coolant expansion tank closure cap.
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9.
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Remove the oil dipstick.
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10.
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Set up the crankshaft.
Move the crankshaft in the direction of the engine rotation to the first cylinder TDC position (mark 1).
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11.
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Apply guidance marks.
Attach 3 markings (3) as an aid to one of the camshaft adjusters, each one offset by 90 degrees to the marking applied (1, 2).
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1.
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Note
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Follow manufacturer instructions.
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Calibrate the pressure loss tester.
Connect to the compressed air system.
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2.
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Install the pressure loss tester.
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Note
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Wheels must be in contact with the ground.
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Engage first gear and apply the parking brake.
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Install the connecting piece into the spark plug thread of cylinder number 1.
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Apply compressed air to cylinder number 1.
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Take pressure loss reading.
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The maximum permissible pressure differential between cylinders is approximately 10 percent.
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Maximum pressure loss of a cylinder is 25 percent.
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Take note of any visible escape of compressed air.
Intake manifold, exhaust manifold, crankcase
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Take note of any bubble formation in the coolant compensation tank.
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4.
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Perform pressure loss test by analogy on cylinders 3, 4 and 2.
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1.
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Remove the pressure loss tester.
Remove the connection piece from the spark plug thread.
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2.
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Put the vehicle in neutral.
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3.
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Insert the oil dipstick.
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4.
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Install the coolant expansion tank closure cap.
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6.
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Install the engine management wiring harness to the intake manifold.
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8.
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Raise the vehicle by its full height.
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9.
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Install the right engine splash guard.
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