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2009
ford f-15020 views

Transmission Slipping or Hard Shifting

Expert diagnosis and repair solutions for 2009 Ford F-150 Transmission Slipping or Hard Shifting. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
medium$50-$100
Lubricate the drive shaft splines to prevent hard shifting and clunking noises.
Source: https://www.f150forum.com/f38/fixes-downshift-clunk-hard-shift-204356/

Repair Steps:

  1. Remove the drive shaft from the vehicle.
  2. Generously apply high-quality grease to the splines.
  3. Reinstall the drive shaft and ensure proper alignment.
2
easy$30-$70
Check and refill transmission fluid to address slipping issues.
Source: https://www.justanswer.com/ford/9edxv-2009-f150-lariat-when-suddenly-stop.html

Repair Steps:

  1. Check the transmission fluid level using the dipstick.
  2. If low, add the recommended type of transmission fluid.
  3. Inspect the fluid for contamination and replace if necessary.
3
medium$100-$150
Adjust the shift linkage to correct misalignment causing hard shifting.
Source: https://www.fordforums.com/threads/2009-f-150-auto-trans-shifting-problems.165409/

Repair Steps:

  1. Inspect the shift linkage for any signs of misalignment.
  2. Adjust the linkage to ensure proper gear engagement.
  3. Test drive the vehicle to confirm the issue is resolved.
4
easy$10-$20
Use Lucas Transmission Stop Slip fluid to prolong transmission life.
Source: https://www.reddit.com/r/MechanicAdvice/comments/5h0i98/2009_ford_f150_desperately_hope_i_dont_need_a_new/

Repair Steps:

  1. Purchase Lucas Transmission Stop Slip fluid.
  2. Add the fluid to the transmission according to the product instructions.
  3. Monitor the transmission performance over the next few weeks.

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