klausmayer1

Altima Torque Converter Failure

Hi, I have a 2004 Nissan Altima with a gasoline engine. Recently, the check engine light and transmission indicator light came on. The gearbox slips and shifts unevenly, and makes grinding noises when shifting. I pulled the error codes, which point towards a defective torque converter lock-up clutch. Anyone else experienced this?

A 2004 Nissan Altima is experiencing issues with the check engine light and transmission indicator light, along with gearbox slipping, uneven shifting, and grinding noises. Error codes suggest a defective torque converter lock-up clutch. Symptoms like engine surging at highway speeds further indicate a torque converter fault. A workshop visit confirmed the diagnosis, leading to a costly repair.

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4 comment(s)

A defective torque converter, you say? That sounds suspiciously like a big problem. Does the engine seem to surge unexpectedly at highway speeds, almost like it's briefly losing power?

Yes, I noticed that a few times. The engine surges slightly. Is that typical with the torque converter?

Indeed, those symptoms, including the engine surge, strongly suggest a converter fault. With nearly 200,000 kilometers, wear and tear is inevitable. A workshop visit seems advisable; they'll confirm and quote the repair.

Thanks for confirming my fears. I took it to a shop and they found the automatic transmission converter was defective, just like the error code suggested. The repair cost was 2120€ Ouch.

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NISSAN

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ALTIMA