Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 394
CS-27
Reverse Check Cable
CONTROL SYSTEMS
D: ADJUSTMENT
1) Lift up the vehicle.
2) Remove the transmission under cover.
3) Remove the center exhaust pipe. <Ref. to
EX(STI)-8, REMOVAL, Center Exhaust Pipe.>
4) Remove the heat shield cover.
5) Remove the crossmember. <Ref. to 6MT-29,
REMOVAL, Transmission Mounting System.>
6) Measure the distance “A” from the shift bracket
seating face on transmission side to the hole edge
of the reverse check lever.
7) Measure the distance “B” from the shift bracket
seating face on transmission side to the hole edge
of the extension case.
8) Calculate the following formula and determine
the amount of cable adjustment.
T mm = (A – B) × 0.56
[T in = (A – B) × 0.56]
T: Amount of cable adjustment
A: Distance from the shift bracket seating face on
transmission side to the hole edge of the reverse
check lever
B: Distance from the shift bracket seating face on
transmission side to the hole edge of the extension
case
NOTE:
• If the value “T” (amount of cable adjustment) is
positive (+), shorten the length “C” (from cable plate
edge to reverse check cable) by using adjustment
procedures.
• If the value “T” (amount of cable adjustment) is
negative (–), lengthen the length “C” (from cable
plate edge to reverse check cable) by using adjust-
ment procedures.
MT-01660
A
CS-01748
B
CS-01749
(C)
CS-01757
CS-28
Reverse Check Cable
CONTROL SYSTEMS
9) Remove the snap pin and washer, and separate
the reverse check cable from the reverse check le-
ver.
10) Move the transmission to the right side, and re-
move the stay bolts and the reverse check cable.
NOTE:
If the transmission is not moved aside, the stay
bolts may contact the body and cause damage.
11) Check the adjustment of the reverse check ca-
ble.
(1) Add a marking on the reverse check cable.
(2) According to the value “T” (amount of cable
adjustment) calculated in the step 8), turn the
lock nut of reverse check cable back and forth,
then adjust the length “C” (from cable plate
edge to reverse check cable).
NOTE:
• Turning the lock nut toward front of the vehicle
makes the cable length shorter and toward the rear
of the vehicle the cable length longer.
• The amount of the cable adjustment by one lock
nut rotation is 1 mm (0.04 in).
• Turn the lock nuts on both sides by the same ad-
justment amount.
(3) Tighten the lock nut.
Tightening torque:
6 N·m (0.6 kgf-m, 4.4 ft-lb)
12) Move the transmission to the right side, and in-
stall the stay.
Tightening torque:
T: 32 N·m (3.3 kgf-m, 23.6 ft-lb)
(A) Snap pin
(B) Washer
(C) Reverse check cable
(A) Stay
(B) Stay bolt
(A) Marking
CS-00220
(B)
(A)
(C)
CS-00245
(A)
(B)
(A)
CS-01750
(A) Stay
(C)
CS-01757
CS-00246
(A)
T
CS-29
Reverse Check Cable
CONTROL SYSTEMS
13) Install the reverse check cable, washer and
snap pin to the reverse check lever.
NOTE:
Make sure to point the snap pin in an appropriate
direction.
14) Make sure the hole of extension case is aligned
with that of reverse check lever. If the hole posi-
tions are not aligned, return to the step 6) and re-
peat the adjustment procedures of the reverse
check cable.
NOTE:
• Check that the M3 bolt goes through the hole of
reverse check lever and can be inserted into the
hole of extension case.
• When checking visually, confirm that the gap of
hole positions is 0.5 mm (0.02 in) or less.
NOTE:
If the hole positions are not aligned after repeating
the reverse check cable adjustment, adjust the ca-
ble hole position to the reference standard.
Distance from the shift bracket seating face on
transmission side to the hole edge of the re-
verse check lever “A”:
Reference standard
16 mm (0.63 in)
15) Install the crossmember. <Ref. to 6MT-29, IN-
STALLATION, Transmission Mounting System.>
16) Install the heat shield cover.
Tightening torque:
18 N·m (1.8 kgf-m, 13.3 ft-lb)
17) Install the center exhaust pipe. <Ref. to
EX(STI)-9, INSTALLATION, Center Exhaust
18) Install the transmission under cover.
Tightening torque:
18 N·m (1.8 kgf-m, 13.3 ft-lb)
(A) Reverse check cable
(B) Washer
(C) Snap pin
(D) Front side
(A) Hole of reverse check lever
(B) Hole of extension case
CS-00224
(B)
(D)
(C)
(A)
(A)
(B)
CS-01751
A
CS-01752
MT-01660
CS-30
General Diagnostic Table
CONTROL SYSTEMS
4. General Diagnostic Table
A: INSPECTION
Symptoms
Possible cause
Corrective action
MT gear shift
lever (6MT)
Cannot shift into reverse.
Adjust the reverse check cable.
Can shift into reverse when the slider is not pulled up. Adjust or replace the reverse check cable.
Slider cannot be pulled up or sticks in the pulled-up
position.
• Check the reverse check system of the transmission.
• Adjust or replace the reverse check cable.
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