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volvo Workshop Repair Guides


V70 GL L5-2.4L VIN 55 B5254S (1998)

Powertrain Management > Emission Control Systems > Air Injection > Air Injection Pump > Component Information > Service and Repair > Page 3520

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Disconnect the rubber hose to the relief valve and start the engine.
Check that no engine exhausts flow backwards into the pump.
If exhaust gases flow backwards the relief valve is defective and should be changed.
In connection with this test use compressed air to clean the system to the engine with the engine running.

Powertrain Management > Emission Control Systems > Air Injection > Air Injection Pump > Component Information > Service and Repair > Page 3520

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