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TSB 21-009-07

48RE Transmission - 1-2 Shift Hunt At Light Throttle

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Geno's Garage Truck Accessories

Date: May 24, 2007   

Models: 2004 - 2007 (D1/DH/DR) Ram Truck (2500/3500)

Overview:
This bulletin involves the replacement of the governor pressure solenoid valve
in the transmission valve body.

Symptom/Condition:
The customer may experience a 1-2 shift transmission hunt during light throttle application. This
condition may be due to a governor pressure solenoid valve.

Diagnosis:
If the customer experiences the above condition perform the Repair Procedure.

Parts Required:
Qty. Part No. Description
1 04617210 Valve, Governor Pressure Solenoid
4 05013457AA ATF+4 Automatic Transmission Fluid
AR 02464324AC Gasket, Transmission Oil Pon (Note: Original pan
gasket is reusable and should not require replacement).

Repair Procedure: 
1.      Raise the vehicle on a suitable lift. Turn the ignition switch to the "OFF" position. Remove
the ignition key from the ignition switch.
2. Remove the transmission fluid (oil) pan and pan gasket. Clean and save the pan gasket
for later use during reassembly.
3. Disengage the wire connector to the governor pressure solenoid valve (Fig. 1).
4. Remove the screws used to secure the governor pressure solenoid valve retainer to
the transmission valve body.
5. Remove the old govemor pressure solenoid valve from the transmission valve body.
6. Clean the transmission housing and oil pan gasket surfaces.
7. Lubricate the o-rings on the new governor pressure solenoid valve.
8. Align the governor pressure solenoid valve to the bore in the valve body.
9. Install the governor pressure solenoid valve to the valve body.
10. Install the governor pressure solenoid valve retainer and attaching screws to the valve
body.
11. Connect the wire connector to the governor pressure solenoid valve.
12. Install the transmission fluid (oil) pan and pan gasket (saved earlier) to the
transmission. Tighten attaching bolts to 13.6 Nm (125 in. lbs.).
 
     Fig. 1 Governor Solenoid And Pressure Sensor

1 - GOVERNOR PRESSURE SENSOR
2 - GOVERNOR PRESSURE SOLENOID VALVE
3 - ELECTRONIC GOVERNOR
13. Lower vehicle.
14. Add automatic transmission fluid to the transmission.
15. Verify correct transmission fluid level.

Policy:    Reimbursable within the provisions of the warranty.

Time Allowance:

Labor Operation No:   Description Amount
21-96-05-90 Valve, Transmission Governor
Pressure Solenoid - Replace (B)
0.7 Hrs.

Failure Code:

ZZ        Service Action

I would like to thank Bob Bergevin, Arthur Cantrall, Barry Drodge, David Lovell, Bill Maurits, and Steve for supplying the information for these bulletins. And a big thank you goes to Geno's Garage for making DodgeRam.info possible.

 

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This page was edited on: February 20, 2008