Transmission System Fault Analysis Cases
Detailed analysis of transmission problems including shifting issues, fluid problems, clutch failures, and transmission performance concerns.
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1999 Subaru Outback Transmission Issue After ECM Replacement
1999 Subaru Outback
The owner of a 1999 Subaru Outback replaced the engine control module (ECM) but did not program the new unit. After installation, the transmission sto...
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Severe Vibration After Shifting to Higher Gears
1990-1995 Mercedes E 190
The owner reports significant vibrations occurring after shifting into higher gears, particularly noticeable when carrying passengers. The issue manif...
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2000 Chrysler Neon Transmission Engagement Issues
2000 Chrysler Neon
The vehicle owner reported issues after changing the transmission fluid, which was contaminated with water. Symptoms include unexpected acceleration a...
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1996 Dodge Ram Transmission Not Engaging
1996 Dodge Ram
The owner reports that their 1996 Dodge Ram truck will not move at all, despite being placed in drive and pressing the accelerator. This issue occurre...
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Subaru Impreza WRX Stuck in Reverse Gear
2000-2023 Subaru Impreza WRX
The owner reports that their Subaru Impreza WRX is stuck in reverse and cannot shift into any other gear. They attempted to drive back in reverse slow...
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Drive Train Vibration After New Clutch Installed
2006-2015 Lexus IS250
The owner of a 2006-2015 Lexus IS250 with a manual transmission recently had a new clutch, flywheel, and clutch release bearing installed due to a hig...
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Diagnosing Transmission Control Module Issues in Geo Tracker
1996 Geo Tracker
The owner of a 1996 Geo Tracker reports that the vehicle throws a P0740 code, indicating a torque converter clutch issue. They notice that at 70 mph, ...
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1998 Toyota RAV4 Gearbox Noise and Clutch Considerations
1998 Toyota RAV4
The owner reports a noise when idling and pressing the clutch down, suggesting a potential issue with the thrust bearing. Additionally, they cannot en...
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Transmission Won't Engage - Diagnostic Steps Required
1999 Pontiac Trans Am
The owner of a 1999 Pontiac Trans Am reports that while driving, the transmission suddenly stopped engaging as if it were in neutral. After pulling ov...
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Chevy S-10 Lurches in 2nd, 3rd, 4th gear
1994-1996 Chevrolet S-10
The vehicle owner reports that their Chevy S-10 lurches when accelerating in 2nd, 3rd, and 4th gears, particularly after the engine warms up. The issu...
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2003 Toyota Pickup Clutch Sticking Issue
2003 Toyota Pickup
The owner reports that the clutch pedal of their 2003 Toyota Pickup has gradually begun to stick near the floor, and now it sticks all the way down, r...
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1999 Chevy Suburban Vibration Under Load
1999 Chevrolet Suburban
The owner reports experiencing an intermittent major shudder/vibration when pulling hills, primarily while traveling at interstate speeds of 50-60 mph...
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2000 Jeep Wrangler Strange Whining Noise Diagnosis
2000 Jeep Wrangler
The owner replaced the clutch about 8 weeks ago. After 2 weeks, a whining noise began at speeds over 20 mph. The transmission failed and was replaced,...
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1996 GMC S15 Transmission Problems Analysis
1996 GMC S15
The owner of a 1996 GMC S15 reports intermittent transmission issues where the transmission cuts out after a few minutes of operation. Initially, the ...
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2002 BMW X5 Transmission Jerking and Shifting Issues
2002 BMW X5
The owner reports that their 2002 BMW X5 experiences jerky driving and poor shifting, especially from 2nd to 3rd gear, occurring intermittently after ...
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Possible Broken Axle or Spider Gear Issue
2000 GMC Safari
The owner reports that their 2000 GMC Safari does not move when put in gear (drive or reverse), although the drive shaft, universal joint, and gears i...
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Intermittent Overdrive Light Flashing Issue
1995 Toyota Camry
The vehicle owner reported that after replacing the transmission on their 1995 Toyota Camry about 2-3 months ago, the overdrive light began flashing w...
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2001 GMC Yukon Whining Noise from Transmission
2001 GMC Yukon
The owner reports a whining noise they believe originates from the transmission, which changes pitch with each gear shift and is audible in all gears ...
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