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Hi I am looking at a neighbors 95 S10 blazer 4.3, 4L60E trans, w/115k miles. It sat for about 2 years in a garage, and has been back on the road about a year. The complaint was lurch/hesitation/no power under acceleration. This was primarilly noticed with the gear shift in OD. When placed in D not so much. My trusty snapon computer found the trans is running through all 4 gears before 25MPH. Talking with friends the general consensus is the TCC solinoid is stuck on. This also agrees with the troubleshooting section of the GM manual for this trans. The closest condition/symptom is fast shift. Before I go pulling things apart does any one have anything else I should check?
Hi I am looking at a neighbors 95 S10 blazer 4.3, 4L60E trans, w/115k miles. It sat for about 2 years in a garage, and has been back on the road about a year. The complaint was lurch/hesitation/no power under acceleration. This was primarilly noticed with the gear shift in OD. When placed in D not so much. My trusty snapon computer found the trans is running through all 4 gears before 25MPH. Talking with friends the general consensus is the TCC solinoid is stuck on. This also agrees with the troubleshooting section of the GM manual for this trans. The closest condition/symptom is fast shift. Before I go pulling things apart does any one have anything else I should check?
I am working on a 04 Hyundai Santa Fe AWD 2.7 with 114K. It came home on a flat bed after the owners ex hid it from him for over a year with a frozen RR wheel, leaking power steering return line. and a buzzing pump that changed pitch with engine speed. I fabricated a new line, added new fluid, and ran the wheel stop to stop 12 times. I do not know if this car was driven without fluid any length of time, or if the line just rusted while sitting. Anyway the pump still buzzed and it is jerky to steer. I replaced the pump with a reman from Auto Zone and still had the same problem. Looking into the fluid cup it appears to have good circulation, and there was no foam. Could sitting so long cause a restriction in the pressure line, similar to a brake hose holding a caliper to the rotor, or could the rack have gone bad? Auto Zone took the pump back and I realy don’t want to just swap out parts hoping I get lucky. Any suggestions would be greatly appreciated. Thanks Jim
I am working on a 04 Hyundai Santa Fe AWD 2.7 with 114K. It came home on a flat bed after the owners ex hid it from him for over a year with a frozen RR wheel, leaking power steering return line. and a buzzing pump that changed pitch with engine speed. I fabricated a new line, added new fluid, and ran the wheel stop to stop 12 times. I do not know if this car was driven without fluid any length of time, or if the line just rusted while sitting. Anyway the pump still buzzed and it is jerky to steer. I replaced the pump with a reman from Auto Zone and still had the same problem. Looking into the fluid cup it appears to have good circulation, and there was no foam. Could sitting so long cause a restriction in the pressure line, similar to a brake hose holding a caliper to the rotor, or could the rack have gone bad? Auto Zone took the pump back and I realy don’t want to just swap out parts hoping I get lucky. Any suggestions would be greatly appreciated. Thanks Jim