Do You Have a Nagging TCC Shudder?
Figure 4: The crew at Dale’s A-1 Transmissions, South Dakota,
Left to Right , Devon, Dale, Daren & Dustin.
Source of Contamination the dipstick tube seal. TCC desired slip modulated between
Confirmed After replacing the transmission 40-80 RPM; the TCC actual slip fol-
While inspecting the transmission dipstick tube seal, installing the water lowed the TCC desired slip within 2-3
case, Devon noticed moisture around deflection shield, and replacing the RPM.
the transmission dipstick tube seal. torque converter (if needed), Chrysler The TCC shudder was gone. All
After further inspection, it was obvi- recommended flushing the entire indications were that the TCC system
ous that moisture was seeping into the transmission system with new fluid was operating properly. He delivered
transmission through the dipstick tube and resetting the learned adapts in the the vehicle; the customer has been driv-
seal, possibly from rainwater runoff TCM. ing it for a couple weeks now and says
or A/C system condensation, and con- After confirming that the Jeep he everything seems to be okay.
taminating the transmission fluid. After was working on wasn’t covered under
confirming that the dipstick seal was Chrysler’s recall, Devon replaced the In Closing
leaking, he performed an online search dipstick tube seal (part # 05189087AA; I’d like to thank the crew at Dales
and found a Chrysler recall for this figure 3) and torque converter, rein- A-1 Transmission (figure 4) in Mitchell,
exact condition on the 1995 Jeep Grand stalled the transmission, and flushed the South Dakota, for sharing their story of
Cherokee, but the recall didn’t include entire system. a nagging TCC shudder with ATRA. If
1996 models. He wasn’t able to reset the learned you have a story of an unusual problem
According to the Chrysler recall adapts in the TCM with his scan tool, and have a successful repair for it, we
(safety recall #E13), about 100,000 so he sent the vehicle to the local invite you to share your experiences
vehicles were affected by this problem. Chrysler dealership to have the TCM with ATRA.
Chrysler recommends pressurizing the reprogrammed with the latest update Story ideas with successful repairs
transmission case with 2 PSI of air and reset the learned adapts. should be submitted to ATRA Technical
pressure and inspecting the dipstick Director Lance Wiggins at lwiggins@
tube seal for leaks. The recall required Repair Confirmed
atra.com. Remember, with your help,
replacing the dipstick tube seal whether After the TCM was reprogrammed every ATRA Member can Keep Those
it was leaking or not. the learned adapts reset, he returned Trannys Rolling.
Chrysler went on to recommend to his shop to recheck TCC operation.
replacing the torque converter if TCC With his assistant driving the vehicle,
had developed a shudder, and installing he monitored the TCC duty cycle, TCC
a special shield to deflect water from desired slip, and TCC actual slip. The
12 GEARS March 2010
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