Air Conditioning Problems Analysis Cases

Analysis of AC system failures, cooling problems, and HVAC performance issues.

2008 Dodge Avenger Rear Indicator Bulb Replacement
2008 Dodge Avenger
The vehicle owner is trying to replace the rear indicator bulb on their 2008 Dodge Avenger. They have removed two plastic wing nuts found in the trunk...
Dodge Avenger rear indicator
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2008 Cadillac CTS Engine Rod Replacement
2008 Cadillac CTS
The owner suspects that the engine rods in their 2008 Cadillac CTS are damaged and is considering replacing them. They are looking for torque specific...
Cadillac CTS engine repair
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Vacuum Hose Routing for 1997 Honda Civic
1997 Honda Civic
The vehicle owner is seeking assistance with vacuum hose routing for their 1997 Honda Civic, which has a 1.6L engine and aftermarket throttle body, in...
vacuum_hoses Honda_Civic engine_swap
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Wiring Schematic for Lexus ES350 AC Amplifier Assembly
2007-2012 Toyota Lexus ES350
The owner is trying to install Lexus ES350 seats into a different vehicle and needs a detailed wiring schematic for the Toyota 88650-33B31 AC amplifie...
Lexus AC amplifier seat installation
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2005 Chevy Trailblazer Blower Motor Cuts Out At Max Setting
2005 Chevrolet Trailblazer
The owner reports that after replacing the blower motor resistor and its connector, the blower motor now cuts out at the maximum setting (5). Initiall...
blower motor HVAC system relay issues
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Intermittent Misfire and Black Smoke from Tailpipe
unknown Saturn unknown
The vehicle owner has a Saturn purchased in August 2012, previously trouble-free, but recently ran the gas to empty and refilled with 89 octane. They'...
Saturn 4-cylinder misfire
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Rattling Valves and Knocking Noise on Acceleration
1995 Cadillac Sedan DeVille
The owner of a 1995 Cadillac Sedan DeVille with a 4.9-liter engine and approximately 100,550 miles reports that the valves rattle during acceleration....
Cadillac Sedan DeVille valve rattling
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2007 Chevy HHR Turn Signal Lever Replacement
2007 Chevrolet HHR
The owner of a 2007 Chevy HHR has snapped off the plastic turn signal lever about an inch from the end, leaving it connected only by internal wiring. ...
turn signal lever multifunction switch steering column
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1986 Ford Bronco Coolant Leak Diagnosis
1986 Ford Bronco
The owner reports that their 1986 Ford Bronco, which has over 210,000 miles and is still running smoothly, is leaking coolant. They have maintained th...
coolant leak Ford Bronco 1986 model
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1995 Pontiac Grand Am V6 Power Loss and Stall Issue
1995 Pontiac Grand Am
The owner reports that the 1995 Pontiac Grand Am V6 experiences power loss and stalling, particularly noticeable in the morning after driving about a ...
Pontiac Grand Am V6
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1996 Acura TL 2.5 Running Rough After Timing Belt Change
1996 Acura TL
The owner reports that their 1996 Acura TL 2.5 is running rough after they changed the timing belt, water pump, and spark plugs. Initially, the vehicl...
Acura TL rough idle
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Head Gasket Replacement with Radiator - Fact or Fiction?
2000 Mazda 626
The vehicle owner reports that the radiator on their 2000 Mazda 626 needs replacement. The repair facility insists on replacing the head gaskets simul...
Mazda 626 overheating
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1996 Pontiac Grand Prix Stalling Issues
1996 Pontiac Grand Prix
The vehicle owner reports that their 1996 Pontiac Grand Prix stalls unexpectedly while driving. After stalling, the vehicle won't start immediately, b...
Pontiac Grand Prix Stalling
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1995 Ford F-150 Stalling and Surging Issues
1995 Ford F-150
The owner reports that their 1995 Ford F-150 stalls at idle and near-idle speeds, as well as surges during highway cruising. They have replaced severa...
Ford F-150 ignition timing IAC valve
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2001 Pontiac Grand Prix 3.8L Blue Smoke on Deceleration
2001 Pontiac Grand Prix
The owner of a 2001 Pontiac Grand Prix GT with a 3.8L engine and 194,000 miles reports occasional dense blue smoke during deceleration, lasting one to...
Pontiac Grand Prix blue smoke
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HVAC System Fogging Issue After Cooling System Repair
1996 Saturn SL2
The owner of a 1996 Saturn SL2 experienced a fogging issue on the windows after replacing the leaking radiator, thermostat, temp sensor, water pump, a...
HVAC fogging cooling_system
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2008 Suzuki Maruti 800 White Smoke from Exhaust
2008 Suzuki Maruti 800
The owner reports that their 2008 Suzuki Maruti 800 has been emitting white smoke from the exhaust for the past week. They are seeking advice on how t...
Suzuki Maruti 800 white smoke
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1997 Dodge Ram Idle Issues with Sensors and Vacuum
1997 Dodge Ram
The owner reports that their 1997 Dodge Ram will not hold an idle and runs sluggishly with knocking and pinging while driving. The engine dies when co...
Dodge Ram idle issues
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