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2008 Chevrolet Trailblazer Questions & Answers
Left turn signal only works sometime
It's likely that moisture intrusion over time has corroded the socket and/or the base of the bulb causing an intermittent open circuit.
Clean the socket with a small tubular shaped wire brush* and compressed air. Install a new bulb.
*The wire brush used to clean the inside of a 1/2" copper tube fittings prior to soldering. Hardware & Home Improvement stores have them.
2008 Trailblazer Air Conditioner not cooling. blows warm air for the first few miles then cools. It has been recharged.
Philip, You may have to have a good tech, check,diagnose and estimate repair. Could be a few things causing poor AC, recheck your charge level,check your fan at the condenser, make sure the condenser isn't obstructed, compressor clutch could be faulty, system could be plugged with contaminates limiting refrigerant flow.You say the system has been recharged, was it done properly, if not system could be plugged. AC system should of had system checked for leaks,evacuated, flushed, new orifice tube, then recharged with proper quantities of oil and refrigerant. Check the attached links,instruction and guides, Good luck
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Car Air Conditioning Problem Diagnosis Repair Help
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Car AC Not Blowing Cold Enough Car Repair Information From MasterTechMark
Why do the headlights. Come on when any door is opened on my 2008 trailblazer
The Headlamps On at Exit and Perimeter Lighting modes can be adjusted using the steering wheel controls to select the wanted function as displayed in the driver information center. The Headlamps On at Exit selection will allow the driver to customize the period of time that the headlamps remain illuminated upon exiting the vehicle. This period can be adjusted from 0 seconds to 180 seconds. The Perimeter Lighting feature allows the driver to select if they want the headlamps and backup lamps to illuminate when the door UNLOCK button on the key fob is activated. This feature can be turned ON or OFF by using the driver information center steering wheel control buttons.
programming Features with the Driver Information Center (DIC)
To enter programming with the driver information center (DIC), perform the following actions:
Turn the ignition to RUN.
Place the vehicle in PARK.
Press the Personalization button on the steering wheel to enter personalization programming.
Automatic Door Locks
Continue with the following steps in order to personalize the automatic door locks:
Press the Select button in order to enter the menu. The first choice seen is the current setting.
Press the Select button in order to scroll through the following options:
• LOCK DOORS: IN GEAR
• LOCK DOORS: WITH SPEED
Press the Personalization button in order to advance to the next option.
Press the Select button in order to enter the menu. The first choice seen is the current setting.
Press the Select button in order to scroll through the following options:
• UNLOCK DRIVER: IN PARK
• UNLOCK DOORS: IN PARK
• UNLOCK DOORS: AT KEY OUT
• UNLOCK DOORS: MANUALLY
Press the Personalization button in order to advance to the next option.
Remote Activation Verification
Continue with the following steps in order to personalize the remote activation verification feature:
Press the Select button in order to enter the menu. The first choice seen is the current setting.
Press the Select button in order to scroll through the following options:
• LOCK FEEDBACK: BOTH
• LOCK FEEDBACK: OFF
• LOCK FEEDBACK: HORN
• LOCK FEEDBACK: LAMPS
Press the Personalization button in order to advance to the next option.
Press the Select button in order to enter the menu. The first choice seen is the current setting.
Press the Select button in order to scroll through the following options:
• UNLOCK FEEDBACK: BOTH
• UNLOCK FEEDBACK: OFF
• UNLOCK FEEDBACK: HORN
• UNLOCK FEEDBACK: LAMPS
Press the Personalization button in order to advance to the next option.
Delayed Lighting
Continue with the following steps in order to personalize the delayed lighting feature:
Press the Select button in order to enter the menu. The first choice seen is the current setting.
Press the Select button in order to scroll through the following options:
• HEADLAMP DELAY: 10 SEC
• HEADLAMP DELAY: 20 SEC
• HEADLAMP DELAY: 40 SEC
• HEADLAMP DELAY: 1 MIN
• HEADLAMP DELAY: 2 MIN
• HEADLAMP DELAY: 3 MIN
• HEADLAMP DELAY: OFF
Press the Personalization button in order to advance to the next option.
Perimeter Lighting
Continue with the following steps in order to personalize the perimeter lighting:
Press the Select button in order to enter the menu. The first choice seen is the current setting.
Press the Select button in order to scroll through the following options:
• PERIMETER LIGHTS: OFF
• PERIMETER LIGHTS: ON
Press the Personalization button in order to advance to the next option.
2008 trailblazer ls throttles body sensor
For the I6 engine, there is a Throttle Body Position Sensor, (TPS) attached to the actual throttle body. This cannot be removed from the throttle body itself. You need to buy the whole throttle body which includes the TPS. Just did this myself, one of the chain stores offers lifetime warranty by the way. It's very easy, turn off all HVAC inside the cab, then disconnect the battery first, very important step. Take the top resonator off, unhook the black ducting going to the air cleaner box and throttle body. Disconnect the electrical connector on top of the throttle body. Now it's just 4 easy bolts for the entire throttle body to come off. You CAN reuse the old hard plastic O-ring, no need to get another one unless it's damaged.
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