richardschmidt6
CMAX Automatic Transmission Failure
Summary of the thread
A 2007 Ford CMAX diesel with 214,693 km is experiencing automatic transmission failure, likely due to a defective torque converter lock-up clutch. Symptoms include the check engine light, transmission indicator illumination, gearbox slippage, unclean shifts, grinding noises, and stored error codes. A possible cause could be issues with the valve body, leading to inconsistent pressure and shifting problems. The recommended solution is a professional workshop diagnosis, which confirmed the defective converter, resulting in a repair cost of 2120€.
Did this summary help you solve your problem?
4 comment(s)
richardschmidt6 (community.author)
Thanks for the input. Valve body, you say? Interesting. I haven't explored that avenue yet. What makes you suspect the valve body, and were your symptoms consistent with mine, especially the grinding noises during shifting?
magdalenafuchs6
Well, the grinding is new. On my Megane, the valve body was causing inconsistent pressure, leading to those jerky shifts and the error codes. Ultimately, I'd suggest a workshop visit. They have the tools to properly diagnose it. Was a costly job to fix on the Renault!
richardschmidt6 (community.author)
Understood. Appreciate the insights and the heads-up about the potential cost. I took it to a trusted workshop, and you were right; the automatic transmission converter was indeed defective. Repair cost came to 2120€. Thanks again!
rmh_community_comment_box_header
community_crosslink_scanner_headline
community_crosslink_scanner_intro
community_crosslink_scanner_title
community_crosslink_scanner_price
community_crosslink_rmh_headline
community_crosslink_rmh_intro
community_crosslink_rmh_title
community_crosslink_rmh_subtitle
community_crosslink_rmh_brand
FORD
community_crosslink_rmh_model
CMAX
magdalenafuchs6
That sounds frustrating. I had a similar problem with my old Renault Megane, although it manifested slightly differently. Check engine light and the occasional jerky shift. Could your torque converter issue be linked to the valve body? What codes are you pulling?