Clutch Pedal/linkage Problems of Toyota RAV4

The contact owns a 2019 Toyota Rav4. The contact stated while driving, the vehicle independently accelerated and lunged forward whenever the brake pedal was depressed. The contact also stated that the vehicle doors would lock randomly leaving him locked inside the vehicle. The contact stated no warning light was illuminated. The vehicle was taken to browns Toyota of glen burnie (7167 ritchie hwy, glen burnie, MD 21061) where the cause of the failure was not determined. The contact then took the vehicle to koons annapolis Toyota (1107 west st, annapolis, MD 21401) to get a second diagnostic test performed. The contact was informed that the engine, the driver's seat, transmission, tcm, transfer clutch, and the brakes needed to be replaced. The vehicle was repaired however, the failure recurred. The manufacturer was not informed of the failure. The failure mileage was approximately 10,349.

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Event 1: 1. Shortly after buying car, noted engine revs would soar by 700 to 800 rpms between gears while shifting manual transmission. Found this happened by just disengaging the clutch without shifting even with foot not on the accelerator pedal. 2. The rev soaring happened consistently. No consequences except for an unpleasant driving experience. 3. Computer was reprogrammed by the dealer from whom I bought the car. Rev jumps reduced to about 400 rpm. A second reprogramming reduced it to about 200 rpm. This behavior still exists. Event #2. 1. About six months after purchasing the car, noted that when cruising with rpms above 2800 rpm in 5th gear with cruise control engaged and foot not on accelerator pedal, on disengaging the clutch, the engine revs would soar to 3,200 rpm to 3,500 rpmand remain there for periods ranging between 5 seconds to over a minute. This occurred while the car was coasting and slowing while not under power. 2. This behavior frequently occurred under the above conditions. No consequences except as a profession engineer and former sports car racing driver, I knew this behavior was not normal. 3. Behavior examined by my local Toyota dealer. Mechanic hooked up recording box to car, but I was unable to replicate the behavior on this occasion. Data examined by a Toyota engineer who pronounced there was not a problem. Later, I was again able to replicate the behavior. After yet another computer reprogramming, this behavior of remaining at a high rpm seems to have stopped. However, the engine revs still will surge to about 3,400 rpm before dropping off.

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