Honda Civic. Manual — part 161

fluid return passage and result in
damage.

Check the ATF strainer for
debris. If the strainer is clogged,
find the damaged components
that caused the debris.

Inspect the differential pinion
gears for wear. If the differential
pinion gears are worn, replace
the differential assembly,
replace the ATF strainer,
thoroughly clean the
transmission, and clean the ATF
cooler and the cooler lines.

Replace the torque converter.

Inspect the countershaft and the
secondary shaft for wear and
damage.

Vehicle moves in
2 and R, but not
in D, D3, or 1

1. 1st accumulator

defective

2. 1st gears worn or

damaged

3. 1st clutch

defective

Inspect the 1st accumulator
piston, the O-ring, and the
spring for wear and damage in
the servo body.

Inspect the countershaft, the
secondary shaft, and the 1st
clutch for wear and damage.

Check the 1st clutch pressure.

Inspect the clutch piston, the
clutch piston check valve, and
the O-rings. Check the spring
retainer for wear and damage.
Inspect the clearance between
the clutch end-plate and the top
disc. If the clearance is out of
tolerance, inspect the clutch

2008 Honda Civic LX

2006-08 TRANSMISSION Automatic Transmission - Civic (Except Hybrid)

discs and the plates for wear and
damage, and inspect the clutch
wave-plate height. If the discs
and the plates are worn or
damaged, replace them as a set.
If the wave-plate height is out of
tolerance, replace the wave-
plate. If they are OK, adjust the
clearance with the clutch end-
plate.

Vehicle moves in
D, 1, and R, but
not in 2

1. 2nd accumulator

defective

2. 2nd gears worn or

damaged

3. 2nd clutch

defective

Inspect the 2nd accumulator
piston, the O-ring, and the
spring for wear and damaged in
the servo body.

Check the 2nd clutch pressure.

Inspect the countershaft, the
secondary shaft, and the 2nd
clutch for wear and damage.

Inspect the clutch piston, the
clutch piston check valve, and
the O-rings. Check the spring
retainer for wear and damage.
Inspect the clearance between
the clutch end-plate and the top
disc. If the clearance is out of
tolerance, inspect the clutch
discs and the plates for wear and
damage, and inspect the clutch
wave-plate height. If the discs
and the plates are worn or
damaged, replace them as a set.
If the wave-plate height is out of
tolerance, replace the wave-
plate. If they are OK, adjust the

2008 Honda Civic LX

2006-08 TRANSMISSION Automatic Transmission - Civic (Except Hybrid)

clearance with the clutch end-
plate.

Inspect the 2nd clutch feed pipe.
If the 2nd clutch feed pipe is
scored, replace the end cover.

Replace the secondary shaft if
the bushing for the 2nd clutch
feed pipe is loose or damaged.

Vehicle moves in
D, D3, 2, and 1,
but not in R

1. Shift solenoid

valve D defective

2. Shift fork shaft

stuck

3. Shift valve D

defective

4. 5th/reverse

accumulator
defective

5. 5th clutch

defective

6. Reverse gears

worn or damaged

Check for a stored DTC, and
check for loose connections.

Test the shift solenoid valve
function with the HDS.

Inspect the O-rings, and check
the shift solenoid valve for
seizure.

Check for a missing shift fork
bolt on the shift fork shaft.

Inspect the servo valve O-ring.

Check the shift fork shaft detent
for wear and damage.

Inspect the 5th accumulator
piston, the O-ring, and the
spring for wear and damage in
the servo body.

Check the 5th clutch pressure.

Inspect the mainshaft and the
5th clutch for wear and damage.

Inspect the clutch piston, the
clutch piston check valve, and
the O-rings. Check the spring
retainer for wear and damage.
Inspect the clearance between
the clutch end-plate and the top

2008 Honda Civic LX

2006-08 TRANSMISSION Automatic Transmission - Civic (Except Hybrid)

disc. If the clearance is out of
tolerance, inspect the clutch
discs and the plates for wear and
damage, and inspect the clutch
wave-plate height. If the discs
and the plates are worn or
damaged, replace them as a set.
If the wave-plate height is out of
tolerance, replace the wave-
plate. If they are OK, adjust the
clearance with the clutch end-
plate.

Inspect the reverse selector gear
teeth chamfers, and inspect the
engagement teeth chamfers of
the countershaft 5th gear and the
reverse gear. Replace the
reverse gears and the reverse
selector if they are worn or
damaged. If the transmission
makes clicking, grinding,
whirring noise, also replace the
mainshaft 5th gear, the reverse
idler gear, and the countershaft
5th gear.

Poor acceleration

1. Shift solenoid

valve A defective

2. Shift solenoid

valve B defective

3. Shift solenoid

valve C defective

Check for a stored DTC, and
check for loose connections.

Test the shift solenoid valve
function with the HDS.

Poor
acceleration;
flares when

1. Low ATF level
2. Shift cable broken

or out of

Check the ATF level and check
the ATF lines for leakage and
loose connections. If necessary,

2008 Honda Civic LX

2006-08 TRANSMISSION Automatic Transmission - Civic (Except Hybrid)