2007 ISUZU KB P190 ECU

Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–28
10 Lower the transmission to provide clearance between
the floor pan and the pass-thru connector located at
the right-hand rear of the transmission case.
11 Install the connector release, Tool No. 700-4208 (1) over the pass-thru connector and use hand force to
push the tool down compressing the four retaining
tangs on the connector.
12 Pull the pass-thru connector free from the transmission case and remove the control valve body
harness and TCC solenoid assembly from the
transmission.
13 Remove the O-ring from the pass-thru connector and discard.
Figure 7C4 – 32
Reinstall
1 Lubricate a new O-ring with petroleum jelly and fit it to the pass-thru connector.
2 Reinstall the pass-thru connector up through the hole in the transmission case pushing it in until all four retaining tangs have emerged on the outside of the transmission case. Gently pull on the connector to check if engagement
is secured.
3 Reinstall the control valve body, refer to 3.14 Control Valve Body.
4 Lubricate a new O-ring with petroleum jelly and fit it to the TCC solenoid (2).
5 Reinstall the TCC solenoid assembly in the control valve body , tighten the two attaching bolts (1) to the
correct torque specification.
TCC solenoid attaching bolt
torque specification ............................................ 12.0 Nm

Figure 7C4 – 33

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–29
6 Lubricate a new O-ring with petroleum jelly and fit it to
the TCC PW M solenoid (2).
7 Reinstall the TCC PWM solenoid in the control valve body and secure it with the retaining clip (1).
Figure 7C4 – 34
8 Reconnect the control valve body harness connectors. Connectors identification:
• Transmission Fluid Pressure (TFP) Manual
Valve Position Switch (1)
• 1 – 2 Shift Valve Solenoid A (2)
• 2 – 3 Shift Valve Solenoid B (3)
• Pressure Control Solenoid (PCS) (4)
• Torque Converter Clutch Pulse W idth Modulated
(TCC PWM) Solenoid (5)
• 3 – 2 Control Solenoid (6).
Figure 7C4 – 35
9 Secure the harness frame to the control valve body, place the tab between the valve body and pressure
switch in location (1) and press the harness frame in
position on bolt bosses (2 and 3).
Figure 7C4 – 36
10 Reinstall the oil pan and filter and fill the transmission with the recommended automatic transmission fluid, refer to 3.1 Fluid Change and Filter Replacement.
11 Lower vehicle to the ground.

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ISUZU KB P190 2007

Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–32
2 If required, reinstall the seven checkballs (1) in the
control valve body securing them with petroleum jelly.

Figure 7C4 – 41
3 Reinstall the manual valve link (1) to the inner detent lever (2), refer to Figure 7C4 – 42.
4 W hile supporting the control valve body (3), rotate it slightly and connect the manual valve link with the manual valve (4).

Take care not to damage the two filter screens
attached to the spacer plate during this
operation.
5 Position the manual valve forward to retain the link connection and carefully raise the valve body into position.
6 Check if the manual valve link is correctly reinstalled in the detent lever and manual valve.

Figure 7C4 – 42

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–40
5 Remove the filler tube from the engine compartment.
6 Remove the filler tube seal from the transmission case and discard.
7 If the breather hose needs to be replaced proceed as follows: a unclip the breather hose (4) from the harness channel (5).
b Remove the transmission support and lower the rear of the transmission sufficiently to get access to the breather hose, refer to 3.7 Transmission Support and Mount.
c Disconnect the breather hose from the T-joint (6) and the top of the transmission case and remove.
d If required, remove the two bolts (7) attaching the brackets of the vent pipe (8) to the chassis, disconnect from the T-joint and remove the vent pipe.

Figure 7C4 – 57
Reinstall
Reinstallation of the transmission filler tube and/or the breather hose is the reverse of the removal procedure, noting the
following:
1 Smear a new filler tube seal with clean transmission fluid and fit it to the transmission case.
2 Ensure the transmission breather hose and the harness are secured to the filler tube lower bracket.
3 Tighten the bolt attaching the filler tube bracket to the correct torque specification.
Filler tube bracket attaching bolt
torque specification ................................. 20.0 – 35.0 Nm
4 If required, tighten the two bolts attaching the vent pipe bracket to the chassis to the correct torque specification.
Vent pipe attaching bolt
torque specification ..............................................6.0 Nm

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–42
5 Carefully lower the rear of the transmission sufficiently to get access to the cooler lines.
6 Place a suitable sized drip tray underneath the transmission.
7 W ith the rear of the transmission lowered, disconnect the cooler lines from the transmission, as follows:
a Pull back the verifier disc (1) to release it and slide it back along the cooler line (2).
b Open the release tool, Tool No J-41623-B (3), slip it over the cooler line to be disconnected
from the transmission, ahead of the verifier disc.
c Slide the release tool along the cooler line and engage it with the quick-connect fitting (4).
d W hile pushing inwards, rotate clockwise the release tool about one sixth of a turn to release
the spring clip holding the cooler line.
e With the release tool held in this position, pull back on the cooler line to release it.
f Plug all openings to prevent fluid loss and/or contamination.
g Repeat this process with the remaining cooler line.
NOTE
If the spring clip and/or O-ring seal in the quick-
connect fitting is damaged during the removal
process, the complete fitting must be replaced.
Figure 7C4 – 60
8 Carefully remove the two cooler lines from the vehicle.
9 As required, separate the two cooler lines by removing the bracket and the two clips.
Reinstall
1 On the transmission end, ensure the spring clip and/or O-ring seal in each quick-connect fitting is not damaged, replace the complete fitting if required.
2 If required, fit the bracket and the two clips to attach the transmission two cooler lines together.
3 Position the cooler lines in place, attach the cooler line bracket (2) with the screw (1) hand tight to the right-hand side of the engine, refer to Figure 7C4 – 59.
4 Remove the plugs from the cooler lines and transmission fittings and wipe all exposed parts clean.
5 At the transmission end, smear the fluid lines rear fittings with clean automatic transmission fluid and push the quick-connect fittings together.

If the verifier disc does not clip into place, the
quick-connect fitting is not engaged, rectify
as required.
6 As a security check, push and clip each verification disc into place over the quick-connect fittings. If difficulty is experienced, repeat the installation process until the verification disc can be clipped into place over the
transmission quick-connect fitting.
7 Reinstall the transmission support, refer to 3.7 Transmission Support and Mount.
8 Remove the plugs from the cooler lines and radiator fittings and wipe all exposed parts clean.
9 At the radiator end, smear the fluid lines fittings with clean automatic transmission fluid and push the quick-connect fittings together, refer to Figure 7C4 – 58.

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–43

If the verifier disc does not clip into place, the
quick-connect fitting is not engaged, rectify
as required.
10 As a security check, push and clip each verification disc into place over the quick-connect fittings. If difficulty is experienced, repeat the installation process until the verification disc can be clipped into place over the radiator
quick-connect fitting.
11 Snap the outlet cooler line (4) in the clip (5) of the radiator fan shroud.
12 Ensure the routeing of the cooler lines is correct and there is no fouling of the lines.
13 Tighten the screw attaching the cooler lines bracket to the correct torque specifications.
Transmission cooler lines bracket
attaching screw torque specification .................. 23.0 Nm
14 If required, top up the transmission fluid level (cold).
15 Start the engine and check for any fluid leak at the fittings. If a leak is found, stop the engine and rectify the leak.
16 Check and top up the transmission fluid to the correct level as required, refer to 2.1 Transmission Fluid.
3.18 Transmission Assembly
Remove

Disconnection of the battery affects certain
vehicle electronic systems. Refer to 6D1-3
Battery, before disconnecting the battery.
1 Disconnect the battery ground lead.
2 Raise the vehicle and support in a safe manner, refer to 0A General Information for the location of support points.
3 Remove the heat shield from the neutral start and back-up lamp switch, gently prise the selector cable from the transmission external manual shaft linkage and remove the selector cable from the bracket, refer to
3.3 Selector Cable Assembly.
4 Disconnect the harness connectors from the following:
a Vehicle speed sensor, refer to 3.5 Vehicle Speed Sensor.
b Neutral start and back-up switch, refer to 3.4 Neutral Start and Back-up Lamp Switch.
c For the following on four wheel drive vehicles (4W D), refer to 7D Transfer Case and Adaptor Housing:
• neutral switch,
• 2WD – 4WD shift actuator switch,
• speed sensor.
NOTE
If the battery is connected, avoid turning the
ignition switch to the ON position, as the transfer
case control module (TTCM) must first be
removed (memory to be cleared as Check 4W D
Indicator will light).
5 Remove the following components: a Front and centre exhaust assemblies, refer to 6F Exhaust System.

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–45

Support the transmission when removing the
attaching bolts to avoid damage to the torque
converter and flexplate. Do not have the
transmission hanging.
NOTE
The bolts attaching the torque converter housing
are facing forward except for the bolt in position ℑ

which is facing rearward.
16 W ith the transmission supported, using a long socket extension, universal joint and suitable size socket, remove the bolt (1), nine places, attaching the torque converter housing to the engine, in the reverse order of the torque
sequence shown in
within Figure 7C4 – 62.

The transmission assembly must not be
allowed to rest on its oil pan.
17 Support the transmission assembly on a suitable cradle and secure it. Place a suitable support under the engine oil pan rail to support the engine after the transmission has been removed.
18 Remove the transmission assembly, disengaging the filler tube attached to the engine.
19 Remove the bolt (3) and torque converter cover (4) on the transmission right-hand side, remove the bolt (5) and torque converter cover (6) on the transmission left-hand side.
20 Install a suitable holding tool to prevent the torque converter from becoming dislodged.
21 If required on 4W D vehicle, remove the transfer case, refer to 7D Transfer Case and Adaptor Housing.

Figure 7C4 – 62

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Automatic Transmission – 4L60E – On-vehicle Servicing Page 7C4–47
14 Reconnect the fuel and EVAP pipes three brackets and clips, refer to 6C Fuel System – V6.
15 Reinstall the following components:
a Starter motor, refer to 6D1-2 Starting System.
b Transmission support, refer to 3.7 Transmission Support and Mount.
c Front and centre exhaust assemblies, refer to 6F Exhaust System.
d Rear propeller shaft and for 4WD front propeller shaft, refer to 4A Propeller Shaft.
16 Reconnect the harness connectors to the following: a Vehicle speed sensor, refer to 3.5 Vehicle Speed Sensor.
b Neutral start and back-up switch, refer to 3.4 Neutral Start and Back-up Lamp Switch.
c For the following on 4W D vehicles, refer to 7D Transfer Case and Adaptor Housing:
• neutral switch,
• 2WD – 4WD shift actuator switch,
• speed sensor.
17 Reinstall the selector cable to the transmission external manual shaft linkage, secure the selector cable to the bracket and attach the heat shield to the neutral start and back-up lamp switch, refer to 3.3 Selector Cable
Assembly.
18 Perform a reverse flush of the cooler lines and a flow rate test, refer to 2.2 Reverse Flush and Flow Rate, if either of the following applies:
• the transmission fluid is contaminated,
• the transmission has been replaced,
• the torque converter has been replaced, or
• the transmission oil pump has been replaced.
19 Lower the vehicle to the ground.
20 If required, top up the transmission fluid level (cold).
21 Reconnect the battery ground lead.
22 Start the engine and check for any fluid leaking at the fittings. If a leak is found, stop the engine and rectify the leak.
23 Road test until the transmission has reached operating temperature. Re-check the fluid level and for any fluid leaks, refer to 2.1 Transmission Fluid.
3.19 Transmission Control Module
Remove
1 Ensure the ignition switch is in the OFF position.
2 Disconnect the connector (1) from the transmission control module (TCM) (2) as follows, refer to Figure 7C4 – 63: a remove the securing pin (3),
b press the locking tab and swing the lever (4) to free the connector,
c remove the connector.
3 Remove the four bolts (5) and nuts (6), then the TCM from the mounting bracket (7).
4 If required, remove the two nuts (8) and the mounting bracket from the firewall.

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