NHTSA ID Number: 10173149
Manufacturer Communication Number: P107017
TSB/Document Date: 2020-04-02
Summary
Gearbox Brake Valve (VAGB) - Circuit voltage above threshold
DTC:
P1070 - 17
GDC17-016
Bulletin:
January 20, 2019
Date:
Description:
Applies To:
Gearbox Brake Valve (VAGB) - Circuit voltage above
threshold
US13 – US Emissions
For Spanish click here: ESPAÑOL
General Information
These repair instructions are intended to address the following fault(s):
DTC
Description
Possible Cause
Possible (Observable) Symptoms
x
P1070 – 17
Gearbox Brake
Valve (VAGB) Circuit voltage
above threshold
x
x
Solenoid valve assembly
(VAGB)
Wiring harness
x
x
The solenoid valve and the brake
are activated
The transmission will be destroyed if
you drive the vehicle
The propeller shaft has to be
removed to move the vehicle
Required Parts
Part Number
N/A
Description
Please contact Parts
Ordering/Transmission OEM for
Solenoid Valve Replacement
Quantity
1
Repair Instructions
Solenoid Valve, Valve Body, Replacement
*** Illustrations may differ slightly from the actual vehicle being serviced. However, key components addressed in
this information are represented as accurately as possible.
*** All threaded fasteners that do not have a tightening torque specification in the information are tightened to a
standard torque. Standard torques are available in Impact.
© 2016 Mack Trucks
, Inc. Information is subject to change without notice.
Page 1/6
DTC:
P1070 - 17
Bulletin:
Date:
GDC17-016
January 20, 2019
1. Remove the screws (1) and (2).
2. Remove the screws.
3. Raise the top cover. Note: Ensure that the cable harnesses are not damaged.
4. Disconnect the connectors.
5. Remove the top cover.
6. Remove the gasket.
© 2016 Mack Trucks, Inc. Information is subject to change without notice.
Page 2/6
DTC:
P1070 - 17
Bulletin:
Date:
GDC17-016
January 20, 2019
7. Remove the seal.
8. Remove the screws.
9. Remove the valve.
10. Remove the gasket.
11.
12.
13.
14.
15.
Clean the contact surfaces carefully.
Install the gasket. Note: Use a new part.
Install the valve.
Install the screws.
Torque tighten the screws (1).
Control housing valve, screw: 33 ±1 Nm (24 ±1 lbfڄft)
Required material
TORQUE WRENCH 88890148
16. Tighten the screws (2).
17. Install the gasket. Note: Use a new part.
© 2016 Mack Trucks, Inc. Information is subject to change without notice.
Page 3/6
DTC:
P1070 - 17
Bulletin:
Date:
GDC17-016
January 20, 2019
18. Install the seal. Note: Use a new part.
19. Connect the connectors.
20. Install the cover.
21. Install the screws (1) and (2).
22. Torque tighten the screws.
Control housing, screw
1. 28 ±1 Nm (21 ±1 lbfڄft)
2. 33 ±1 Nm (24 ±1 lbfڄft)
© 2016 Mack Trucks, Inc. Information is subject to change without notice.
Page 4/6
DTC:
P1070 - 17
Bulletin:
Date:
GDC17-016
January 20, 2019
23. Clean all the threads. Note: Protect the parts from dirt. Service hint: Clean the threads without removing the
control housing.
CAUTION: Risk of material damage. The screws are surface treated on delivery. Do not lubricate the screws.
24. Install the screws. Note: Start installing self tapping screws by hand to ensure correct location in the existing
threads.
CAUTION: Risk of material damage. The screws are surface treated on delivery. Do not lubricate the screws.
25. Torque tighten the screws in sequence. Note: Torque tighten the screws diagonally.
Control housing, screw
1. Tightening sequence: 1. 75 ±5 Nm (55 ±4 lbfڄft)
2. Tightening sequence: 2. 95 ±7 Nm (70 ±5 lbfڄft)
© 2016 Mack Trucks, Inc. Information is subject to change without notice.
Page 5/6
DTC:
P1070 - 17
Bulletin:
Date:
GDC17-016
January 20, 2019
Additional Resources
These repairs are the most likely fix for the identified fault, if this does not fix the issue, Tech Tool will need to be
used for more detailed diagnostics. If filing a warranty claim, please include the ASIST case number.
Labor Code
4325-03-05-01
0.3
Causal Part
N/A
© 2016 Mack Trucks, Inc. Information is subject to change without notice.
Page 6/6
P1070 – 17
DTC:
Boletín:
Fecha:
Descripción:
Se aplica a:
GDC18-032
20 de febrero de 2020
Válvula de freno de la caja de cambios (VAGB) Voltaje del circuito sobre el umbral
Emisiones de US13 - US
Para inglés, haga clic aquí: ENGLISH
Información general
Estas instrucciones de reparación están destinadas a abordar las siguientes fallas:
DTC
Descripción
P1070 – 17
Válvula de freno de
la caja de cambios
(VAGB) - Voltaje
del circuito sobre
el umbral
Causa posible
Posibles síntomas (observados)
x
x
x
Conjunto de válvulas
de solenoide (VAGB)
Arnés de cableado
x
x
La válvula de solenoide y el
freno están activados
La transmisión será destruida
si conduce el vehículo
El eje de hélice debe ser retirado
para mover el vehículo
Piezas necesarias
Número de pieza
N/A
Descripción
Comuníquese con Pedidos de
piezas/OEM de transmisión para
reemplazo de válvulas de solenoide
Cantidad
1
Instrucciones de reparación
Válvula de solenoide, Cuerpo de la válvula, Reemplazo
*** Las ilustraciones pueden variar levemente del vehículo real que es reparado. Sin embargo, los componentes
clave que se abordan en esta información son representados de la forma más exacta posible.
*** Todos los sujetadores con rosca que no tienen una especificación de torsión de apriete se aprietan con una
torsión estándar. Las torsiones estándar están disponibles en Impact.
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 1/6
DTC:
P1070 – 17
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
1. Retire los tornillos (1) y (2).
2. Retire los tornillos.
3. Levante la cubierta superior. Nota: Asegúrese de que los arneses de cables no estén dañados.
4. Desconecte los conectores.
5. Retire la cubierta superior.
6. Retire la junta.
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 2/6
DTC:
P1070 – 17
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
7. Retire el sello.
8. Retire los tornillos.
9. Retire la válvula.
10. Retire la junta.
11.
12.
13.
14.
15.
Limpie las superficies de contacto cuidadosamente.
Instale la junta. Nota: Utilice una nueva pieza.
Instale la válvula.
Instale los tornillos.
Apriete los tornillos (1).
Válvula de carcasa de control, tornillo: 33 ±1 Nm (24 ±1 librasڄpie)
Material necesario
TORQUÍMETRO 88890148
16. Apriete los tornillos (2).
17. Instale la junta. Nota: Utilice una nueva pieza.
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 3/6
DTC:
P1070 – 17
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
18. Instale el sello. Nota: Utilice una nueva pieza.
19. Conecte los conectores.
20. Instale la cubierta.
21. Instale los tornillos (1) y (2).
22. Apriete los tornillos.
Carcasa de control, tornillo
1. 28 ±1 Nm (21 ±1 librasڄpie)
2. 33 ±1 Nm (24 ±1 librasڄpie)
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 4/6
DTC:
P1070 – 17
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
23. Limpie todas las roscas. Nota: Proteja las piezas de la suciedad. Consejo de servicio: Limpie las roscas sin retirar
la carcasa de control.
PRECAUCIÓN: Riesgo de daño del material. Los tornillos son tratados en sus superficies al ser enviados.
No lubrique los tornillos.
24. Instale los tornillos. Nota: Comience a instalar los tornillos de rosca manualmente para asegurar la ubicación
correcta en las roscas existentes.
PRECAUCIÓN: Riesgo de daño del material. Los tornillos son tratados en sus superficies al ser enviados.
No lubrique los tornillos.
25. Apriete los tornillos en secuencia. Nota: Apriete los tornillos en diagonal.
Carcasa de control, tornillo
1. Secuencia de apriete: 1. 75 ±5 Nm (55 ±4 librasڄpie)
2. Secuencia de apriete: 2. 95 ±7 Nm (70 ±5 librasڄpie)
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 5/6
DTC:
P1070 – 17
Boletín:
Fecha:
GDC18-032
20 de febrero de 2020
Recursos adicionales
Es muy probable que estas reparaciones solucionen la falla identificada; si esto no soluciona el problema, se
requerirá el uso de Tech Tool para diagnósticos más detallados. Si presenta una reclamación de garantía,
incluya el número de caso ASIST.
Código de trabajo
4325-03-05-01
0.3
Pieza causal
N/A
© 2016 Mack Trucks, Inc. La información está sujeta a cambios sin aviso previo.
Página 6/6
- Mixes well with conventional fluids
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- Excellent for ABS, disc and drum brake systems
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TSB/Document ID: P107017
Replacement Service Bulletin Number:
MFR Communication Date: 2020-03-10
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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