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2004 Chevrolet Cavalier - Page 5 Questions & Answers
Does the evap system have anything to do with vacuum
No, the evap system purges into the intake to reburn gases. It normally before the throttle body suction and has no effect on engine vacuum. A leak would impose a small decrease in a mass airflow reading. Plus an evap leak causes your fuel to evaporate more because it has somewhere to escape.
What coolant should be used?
Dexcool ! GM antifreeze . You don't want to mix with green coolant , gels up an clogs heater core , engine block passages etc..
Where is air door actuator located?
The actuator is on the heater box in the middle of the car. It is a small motor that runs the arms that change the directions of the air from the heater.
Keep pulling when i press the gas
If the wheel alignment has been done recently and you haven't hit any major pot holes/curbs check tire pressure first to make sure all are even. You may have a bad tire causing the pull as well. You can rotate the front tires to the back and retest for the pull.If pull is still present, you may have a torque steer issue or steering/suspension problem. Has the ride height been modified? Check font end components ( tie rods/ball joints/control arm bushings for wear ). Make sure you are using a flat road surface to determine the pull. Most engineers design the road crown for water to flow off on the right side so the vehicle will always want to go to the right slightly. Keep this in mind
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