This is a copy of a post from a local site I am on. The poster works for honda and copied this from the Honda network. He claims there is known 3 rd gear problems with 7th and 8th gen Accords. You be the judge. I know my 3rd gear acts funny sometimes but it is a very intermitant problem.
right from hondas IN network-
Transmission Grinds When Shifting Into 3rd Gear, Pops Out of 3rd Gear, or
Is Hard to Shift Into 3rd Gear
SYMPTOM
The 6-speed manual transmission grinds when shifting
into 3rd gear, pops out of 3rd gear, or is hard to shift
into 3rd gear.
NOTE: These symptoms can be intermittent and
sometimes more noticeable in colder climates.
PROBABLE CAUSE
The transmission has a faulty 3rd gear synchronizer or
3-4 shift sleeve.
CORRECTIVE ACTION
Replace the 3rd gear set.
VEHICLES AFFECTED
2003–07 Accord V6 with M/T: ALL
2008 Accord V6 with M/T 2-Door:
From VIN 1HGCS218.8A000001
thru 1HGCS218.8A003478
2006–07 Civic Si 2-Door: ALL
2008 Civic Si 2-Door:
From VIN 2HGFG215.8H700001
thru 2HGFG215.8H701973
2007 Civic Si 4-Door: ALL
2008 Civic Si 4-Door:
From VIN 2HGFA555.8H700001
thru 2HGFA555.8H702465
DIAGNOSIS
Drive a known-good vehicle under the same conditions
as the customer’s complaint, and compare the shift
quality. If the customer’s vehicle has noticeable shift
quality problems, replace the 3rd gear set.
NOTE: It is not uncommon for there to be some
resistance or notchiness when shifting into third gear.
REPAIR PROCEDURE
1. Remove the transmission:
• Refer to Section 13 of the appropriate service
manual, or
• Online, enter keywords MANUAL REMOVAL,
and select Manual Transmission Removal (V6
engine M/T) from the list.
2. Disassemble the transmission down to the
mainshaft:
• Refer to Section 13 of the appropriate service
manual, or
• Online, enter keywords TRANSMISSION
DISASSEMBLY, and select Manual
Transmission Disassembly (V6 engine
M/T) from the list.
3. Replace the 3rd gear set:
• Refer to Section 13 of the appropriate service
manual, or
• Online, enter keywords M/T MAINSHAFT DIS,
and select M/T Mainshaft Disassembly (V6
engine M/T) from the list.
4. Reassemble the transmission:
• Refer to Section 13 of the appropriate service
manual, or
• Online, enter keywords TRANSMISSION
REASSEMBLY, and select Manual
Transmission Reassembly (V6 engine M/T)
from the list.
5. Reinstall the transmission:
• Refer to Section 13 of the appropriate service
manual, or
• Online, enter keywords MANUAL INSTALL, and
select Manual Transmission Installation (V6
right from hondas IN network-
Transmission Grinds When Shifting Into 3rd Gear, Pops Out of 3rd Gear, or
Is Hard to Shift Into 3rd Gear
SYMPTOM
The 6-speed manual transmission grinds when shifting
into 3rd gear, pops out of 3rd gear, or is hard to shift
into 3rd gear.
NOTE: These symptoms can be intermittent and
sometimes more noticeable in colder climates.
PROBABLE CAUSE
The transmission has a faulty 3rd gear synchronizer or
3-4 shift sleeve.
CORRECTIVE ACTION
Replace the 3rd gear set.
VEHICLES AFFECTED
2003–07 Accord V6 with M/T: ALL
2008 Accord V6 with M/T 2-Door:
From VIN 1HGCS218.8A000001
thru 1HGCS218.8A003478
2006–07 Civic Si 2-Door: ALL
2008 Civic Si 2-Door:
From VIN 2HGFG215.8H700001
thru 2HGFG215.8H701973
2007 Civic Si 4-Door: ALL
2008 Civic Si 4-Door:
From VIN 2HGFA555.8H700001
thru 2HGFA555.8H702465
DIAGNOSIS
Drive a known-good vehicle under the same conditions
as the customer’s complaint, and compare the shift
quality. If the customer’s vehicle has noticeable shift
quality problems, replace the 3rd gear set.
NOTE: It is not uncommon for there to be some
resistance or notchiness when shifting into third gear.
REPAIR PROCEDURE
1. Remove the transmission:
• Refer to Section 13 of the appropriate service
manual, or
• Online, enter keywords MANUAL REMOVAL,
and select Manual Transmission Removal (V6
engine M/T) from the list.
2. Disassemble the transmission down to the
mainshaft:
• Refer to Section 13 of the appropriate service
manual, or
• Online, enter keywords TRANSMISSION
DISASSEMBLY, and select Manual
Transmission Disassembly (V6 engine
M/T) from the list.
3. Replace the 3rd gear set:
• Refer to Section 13 of the appropriate service
manual, or
• Online, enter keywords M/T MAINSHAFT DIS,
and select M/T Mainshaft Disassembly (V6
engine M/T) from the list.
4. Reassemble the transmission:
• Refer to Section 13 of the appropriate service
manual, or
• Online, enter keywords TRANSMISSION
REASSEMBLY, and select Manual
Transmission Reassembly (V6 engine M/T)
from the list.
5. Reinstall the transmission:
• Refer to Section 13 of the appropriate service
manual, or
• Online, enter keywords MANUAL INSTALL, and
select Manual Transmission Installation (V6