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1999 Chevrolet Express Van Support Question

1999 Chevrolet Express Van Support Question

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Question posted by pattimarconi5 on September 10th, 2013

Air Flow Switch

Our airflow only blows out the floor vents and also not out of the rear vents. When we move the airflow swith between floor and console it doens't switch

Current Answers

Answer #1: Posted by TexasDeviL on September 10th, 2013 8:34 AM
This answer was accepted by the poster of the original question.
TexasDeviL

Member since:
December 27th, 2012

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The vent control is operated via a vacuum line to open and close the inner vent covers to direct the air. Check the vaccum line from the vaccum reservoir to the motor and then to the controls. It sounds indicitive of a broken vaccum line to the reservoir.


If you agree that the answer I provided is correct please remember to "accept" and/or mark it as "helpful" so I know I'm doing a good job. Thank you, I would really appreciate it.

[automotive mechanic and phone modding enthusiast]

Related Manual Pages

Owner's Manual - Page 5

... SEAT BELTS WINDSHIELD DEFROSTER HORN BRAKE HAZARD WARNING FLASHER POWER WINDOW DAYTIME RUNNING LAMPS REAR WINDOW DEFOGGER COOLANT SPEAKER ENGINE OIL PRESSURE VENTILATING FAN FUEL AIR BAG FOG LAMPS ANTI-LOCK BRAKES v yellowblue Vehicle Symbols These are some of your... is driven: These symbols have to do with your lamps: MASTER LIGHTING SWITCH These symbols are on your vehicle.
Owner's Manual - Page 7

...Section 1 Seats and Restraint Systems Here you'll find information about some things you should not do with air bags and safety belts. 1-2 1-10 1-15 1-16 1-16 1-24 1-25 1-25 1-33 Seats... Safety Belt Use During Pregnancy Right Front Passenger Position Air Bag System Rear Seat Passengers 1-36 1-38 1-40 1-45 1-59 1-62 1-62 1-62 Rear Safety Belt Comfort Guides for Everyone Here Are Questions Many...
Owner's Manual - Page 9

...left lever down. To lower it, move the right lever down . Move the seatback with these switches at the inner edge of the seat cushion. yellowblue Power Seat (Option) You can adjust it... seatback will go to lock the seatback where you can raise and lower the front and rear of the seat. To raise the rear of the seat, move the center knob down . To move the seat forward, move...
Owner's Manual - Page 36

... front passenger's bag -- D Your vehicle is dust in the deflated air bags. After an air bag inflates, it stop people from vents in the air. To avoid this, everyone in another crash. Air bags distribute the force of the system, when the system commands air bag inflation and driver's safety belt usage at deployment. A new system...
Owner's Manual - Page 81

... door. 2-13 That will force outside , open the rear doors from the outside air into your vehicle. To open the passenger side rear door first. D If you must pass through the seal between the body and the rear doors: D Make sure all the way. Additionally, on VENT, HEAT, BLEND or DEF. Pull the handle toward...
Owner's Manual - Page 101

...VENT, HEAT, BLEND or DEF. Additionally, on or under the instrument panel, open them all windows are shut. Tilt Wheel (Option) A tilt steering wheel allows you to adjust the steering wheel before you must drive with the rear swing-out windows or rear... the rear swing-out windows or rear door(s): D Make sure all the way. D If you have air outlets on vehicles with heating/air conditioning ...
Owner's Manual - Page 134

... setting to divide airflow between the heater floor vents and instrument panel vents. Turn the knob toward HI. HEAT: This setting directs air through the instrument panel vents. Fan Knob The knob on the far right to OFF. To decrease airflow, turn the knob toward the blue area for you. Your vehicle also has a flow-through ventilation system...
Owner's Manual - Page 135

... panel lets you select the relative temperature of the air flowing into the passenger area of hot air. 3-3 This knob will look like this setting to divide airflow between the heater floor vents and windshield. After the vehicle's interior reaches a comfortable temperature, turn it toward HI. To increase airflow, turn the mode knob on the far right...
Owner's Manual - Page 136

..., turn the switch to divide airflow between the heater floor vents and instrument panel vents. To increase and decrease the flow of heated air, turn the thumbwheel marked REAR HEAT to the blower speed you have a rear heater (without rear air conditioning), the control switch is useful for normal cooling on the windshield. To increase the flow of heated air to the rear floor vents, turn...
Owner's Manual - Page 137

... floor vents for heating. To activate the rear control, turn the fan control knob on the front control to any blend setting. Turn the knob counterclockwise for floor vent airflow or clockwise for cooler air, turn the temperature knob on the control panel. To adjust the air temperature, turn the knob toward the red area, and for headliner vent air flow...
Owner's Manual - Page 139

... and on the sides of the advanced engineering that are open. Your vehicle has air vents in through the floor outlets. Find out what your windows. 3-7 The heater works best if you use...the air path under the front seats clear of listening pleasure. This helps air to direct the flow of air, or close a vent, it will increase the flow of air coming out of it if you close the vents ...
Owner's Manual - Page 220

...also hear this fan noise when you maintain your jacking equipment to "blow out" while you're driving, especially if you start the engine. ...maintain lane position, and then gently brake to leak out slowly. A rear blowout, particularly on a curve, acts much more likely to a stop ... want the vehicle to go away as the clutch more air to provide more fully engages. You may require the same...
Owner's Manual - Page 252

...a problem properly disposing of oil products.) Used oil can be a real threat to drain all free-flowing oil from the filter before disposal. Don't ever dispose of oil by taking it to a place...your skin and could even cause cancer? Then tilt the top cover up and back to air induct hose. 2. To remove the air cleaner filter: 1. Don't let used oil. Change the oil and filter every 7,500 ...
Owner's Manual - Page 297

If this happens, have your vehicle, see "Servicing Your Air Bag-Equipped Vehicle" in the lamp switch. Your vehicle has an air bag system. If the motor overheats due to heavy snow, etc., the wiper will cause the lamps to flicker on electrical equipment can damage your ...
Owner's Manual - Page 299

... MIR CTSY GAUGES HAZARD CRUISE PWR AUX CRANK PARK LPS AIR BAGS WIPER HTR-A/C CIG LTR ILLUM CIRCUITS PROTECTED Stop/CHMSL, Stoplamps Electric Heated Mirrors Courtesy Lamps, Dome/RDG Lamps, Vanity Mirrors, Power Mirrors IP Cluster, DRL Relay, DRL Module, HDLP Switch, Keyless Entry Illumination, Low Coolant Module, CHIME Module, DRAB Module...
Owner's Manual - Page 301

... on the driver's side of the engine compartment at the rear. NAME IGN B IGN A BATT LIGHTING RR BLOWER ENG-I CIRCUITS PROTECTED Ignition Switch Starter Relay, Ignition Switch Instrument Panel Fuse Block Instrument Panel Fuse Block, Headlamp Switch Rear Auxiliary Blower Motor Relays Heated O2 Sensors, Mass Air Flow Sensor, EGR Valve Solenoid, Evap Canister Purge Valve, Crankshaft...
Owner's Manual - Page 302

...Driver, Engine Shutoff Solenoid Air Conditioning Clutch Relay Fuel Pump Relay, VCM, PCM, Fuel Pump and Engine Oil Pressure Switch Replacement Bulbs LAMP OR ...BULB Sealed Beam Headlamps Composite Low-Beam Headlamps Composite High-Beam Headlamps Front Sidemarker Lamp Front Parking and Turn Lamp Rear Parking Lamp Rear Stop and Turn Lamp Back-up Lamp Back-up Lamp Rear...
Owner's Manual - Page 350

.... Exhaust System Inspection Inspect the complete exhaust system. Rear Axle Service Check the gear lubricant level in frequent braking. You may need to perform these jobs. yellowblue Part C: Periodic Maintenance Inspections Listed in the floor pan or could cause a heat build-up , ... it if needed . Look for broken, damaged, missing or out-of the radiator and air conditioning condenser.
Owner's Manual - Page 373

...17 gnition Switch ...Ignition Transmission Lock Check ...Inflation, Tire ...Inside Day/Night Rearview Mirror ...Inspections ...Brake System ...Engine Cooling System ...Exhaust Systems ...Rear Axle ...Reminder ...2-41 Panel ...2-40 Leaving Your Vehicle with the Engine Running ...2-26 Lighter ...2-47 Lights Air Bag Readiness ...1-27, 2-53 Anti-Lock Brake System Warning ...2-56, 4-7 Brake System Warning...
Owner's Manual - Page 376

......1-3 Seats Manual Front ...1-2 Power ...1-3 Rear ...1-5 Removing Rear ...1-5 Replacing Rear ...1-8 Restraint Systems ...1-1 Seat Controls ...1-2... Service and Owner Publications ...8-11 Service Publications ...8-11 Servicing Your Air Bag-Equipped Vehicle ...1-31 Sheet Metal Damage ...6-57 Shift Lever ...Stains, Cleaning ...6-51 Starter Switch Check ...7-40 Starting Your Engine ...2-18 Steam ...5-...

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