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2021
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Transmission Slipping or Hard Shifting

Expert diagnosis and repair solutions for 2021 nissan altima Transmission Slipping or Hard Shifting. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
medium$150-$250
Replace the transmission fluid with Nissan-specific CVT fluid to address slipping and hard shifting.
Source: https://www.youtube.com/watch?v=McDMLTNjRmA

Repair Steps:

  1. Purchase Nissan-specific CVT fluid (part number: 999MP-NS200P).
  2. Lift the vehicle and secure it on jack stands.
  3. Locate the transmission fluid drain plug and remove it to drain old fluid.
  4. Replace the drain plug and refill with new CVT fluid through the fill port.
  5. Check fluid level and adjust as necessary.
2
hard$500-$1000
Reset or replace the Transmission Control Module (TCM) to resolve hard shifting issues.
Source: https://www.youtube.com/watch?v=3hgEsGgSm48

Repair Steps:

  1. Disconnect the battery to reset the TCM.
  2. If issues persist, locate the TCM under the hood.
  3. Remove the old TCM and install a new one.
  4. Reconnect the battery and test drive to ensure proper shifting.
3
hard$1000-$2000
Inspect and replace the CVT belt if worn or damaged to prevent slipping.
Source: https://suntransmissions.com/blogs/news/nissan-altima-transmission-problems-how-to-identify-them

Repair Steps:

  1. Remove the transmission cover to access the CVT belt.
  2. Inspect the belt for signs of wear or damage.
  3. Replace the belt with a new OEM part if necessary.
  4. Reassemble the transmission and test for proper operation.

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