2016 Nissan Altima: What to do with a defective TCM
Nissan vehicles that produce Judder codes DTC P17F0 and/or DTC P17F1 in many cases will be a defective TCM. One sure way to know is to document and clear all codes. Then, keep the ignition on for a bit without the engine running. If the code returns, a defective TCM has been confirmed requiring a
Ford 6R60/6R80 Erratic Temperature Operation
The Complaint A 2013 Ford F-150 equipped with the 6R80 Transmission was overhauled and reinstalled back into the vehicle. On the initial road test, the “trans temp” lamp came on. The truck was equipped with a dash-mounted monitor which was set to engine RPM, vehicle speed, engine coolant temperature and transmission temperature. While driving, the
Ford 6R60/6R80 Direct Clutch Drum Assembly
The Complaint When rebuilding a Ford 6R60 or 6R80 transmission, the builder is confused by some published material which may show rebuild procedures on one but not the other. The confusion happens when rebuilding the direct drum due to this conflicting information. The Cause The 6R60 direct drum is assembled differently than the 6R80 drum.
Ford 6R60/6R80 Overdrive Drum and Front Planet Compatibility
The Complaint Soon after overhaul, a Ford 6R60/6R80 Transmission starts to develop a variety of operational issues. A pan drop reveals metal shavings suspended in the fluid. Upon disassembly of the transmission, the overdrive drum and the forward planet exhibit damage to their mating surfaces. The Cause Sometime during the 2008 model year these two
Ford FNR5 Setting P0735 After Overhaul
The complaint A 2008 Ford Fusion equipped with the 2.3 liter engine and FNR5 transmission was setting trouble code P0735 after overhaul. The transmission was removed and disassembled for inspection. The direct fifth gear drum was air checked and it was found to be leaking. The drum was replaced and the transmission was reassembled and
62TE shifting issues: A problem caused by the invisible
A rebuilt 62TE transmission gets installed into a 2016 Dodge Grand Caravan with a 3.6L engine. Three thousand and four hundred plus miles later, it develops a variety of shifting problems with no codes stored. The transmission is pulled and when the valve body was removed from the transmission, something unusual is now staring you
A 6T70 IMS Invalid Range Signal
There are four inputs to the TCM from the position switch assembly, that indicate which transmission gear range has been selected.
A 5R110W With Transmission Overheating
A laser gun was used to check the temperature of the oil pan sump, confirming an overheating condition did exist.
Trying to Stop the Wheel Hop on Ford Edge with 6F50 Transmission
The 2014 Ford Edge SEL with a 3.5L engine (figure 1) and a 6F50 transmission can also be equipped with an AWD system. This would include a Power Transfer Unit (PTU) attached to the transmission with a rear driveshaft going to the Read Differential Unit (RDU). The RDU comprises a differential assembly along with a
Sherlock Holmes Approach to an AB60 No-Move Situation
The effectiveness in diagnosing automatic transmission malfunctions is an art form. Although there are similarities among the wide varieties of transmissions on the road, each transmission has its own peculiarities. Aside from having mechanical, hydraulic, and electrical hardware systems to contend with, software/programming issues and various vehicle platforms make diagnostics much more difficult. Using scopes provides
Honda CR-V Light Throttle Vibration
Complaint: A 2012 to 2014 Honda CR-V may have complaints of a surge, shudder or vibration while driving under light throttle. Cause Software part number 37820-R5A-305 is faulty. Correction: Update automatic transmission software and change the transmission fluid using DW-1 fluid. Fluid capacities are 2.2 Liters (2.3 Qts.) for the 2 Wheel Drive models and
Honda Odyssey BYKA Clutch Piston Seal Failure
Complaint: A 2012 Honda Odyssey equipped with the BYKA six-speed transmission has complaints of erratic shifts. The transmission had an intermittent and inconsistent 2-3 shift. Sometimes it would have a slight 2-3 flare and bump, and sometimes it would have a more serious flare and a large bump. On other occasions, it shifted into third,
