HI guys !! new here and owning a Honda Accord , I have a 97 accord 210k miles auto vtec 2.2l , I notice when is cold the idle is rough or shakes but in hot weather is not as rough it does at idle in gear but if I shift to neutral its smooth, also when I turn on the ac the rpms drop very low probably in to 500 or less , also when I shift in to any gear the tranny shifts hard and when driving it shift somewhat hard never smooth , the tranny was replace and I guess it came from Japan , any suggestions will be very appreciated :-)


Thank you

 

The IACV can get dirty over time, you could pull it and give it a good cleaning.

For the trans, I'd check the throttle control cable - this cable runs from the throttle body to the trans - for proper adjustment/play. This is assuming that there is not an issue with any of the mounts (engine/trans).

 

My '97 275,000 on chassis, on 2nd engine, I've owned for last 90,000 miles.
Tranny always shifts hard from one gear to next. Try to get used to it.

 

Thank you poorman212 and UhOn ! :-)

 

Being a 3-pedal guy, this is not from personal experience... But I recall some people saying that using non-Honda ATF can cause harsh shifting. Maybe a couple drain/fill cycles with Honda fluid??
(Don't use that as an excuse to ignore checking the cable that Poorman said)

Also the rear engine mount (down low between the trans & firewall) is vacuum-operated. It has a solenoid valve & some vacuum tubing - check that stuff for anything broken, disconnected, leaking, or ???

 

Thank you JimBlake , I know the guy that had it before replace all of the mounts and fluid with Honda parts ,but I will check all of the mounts .
Thank you :-)