Question about 2002 Honda Accord

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2002 Honda Accord hesitation and harsh shift into 1st

Have cleaned solenoid Strainers several times, as they begin to clog. Changed w/ Honda fluid 9 X 3 quarts. There is no externally accessible fluid filter. Are some of the Pressure switches and Sole's able to be cleaned, sucked out, blown out??

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  • Honda Master
  • 20,706 Answers

What gears hard shift, neutral to 1st. 2>3. which gear

hesitation is engine, issues. unless its flare.

is the engine hesitating? or is the tranny slipping.

does this happen hot engine, cold engine or both

what speeds?

does the transmission pass the stall tests in the FSM?

does the ditto the pump tests in the FSM>



the answer to your suck out quesions , sure, there is no limits on what any person can do , with the book in hand, ,.. zero limits.

and for sure we can not tell you , your limits.

read any FSM made on any car, see the ON CAR service.

read that,.

then see online, people going behond that.

on TCM based trans (A/T brains) we can drop the whole

valve body, tranny in car. and replace it or service it.



google soleniod valve body service.... or use google image

and see zillion photos of persons doing same



now let me back up.

why not post the full symptoms.>???? driving, shift , what it does good

and what it does bad. that forms a picture in our minds,

then we do the FSM checks. Pass or fail... stall test. pressure tests

etc.

if the tranny is slow to shift or stuck in a gear.

we first connect up our scan tool (USA OBD2 are my post only)

i scan it , hell with the CEL lamp i scan ever car first.

got Tranny codes have you,, didnt even look? P07xx >?????

The TCM in your car (tranny brain does ALL shifting)

so if the tranny dont shift right , then the 1st thing we do

is see if the BRAIN even did the shift.

yes, bad tranny (or some solenoid needs a suck out)

no, then the TCM is bad, or was lied too.

what does lied to mean, it means the TCM inputs are fibbing

the imput sensors are MALFING.

there are many inputs. most bad inputs throw DTC codes.



Think of this problem in 3 parts

1 the Gear box.

2 the TCM

3 the INPUTS.

the job on the on car mech. is to find which of the three are bad

the FSM covers that. very well. buyone.



since you did not post engine hot or cold, i cant answer.

on a cold engine (and in Alaska worse) the FAST idle is normal

as is all shifts. until such time and the idle goes to 800 rpm HOT.

N >1 shift.

ENGINE RPM is key, we watch that. to see if the trans is messing up

or the engine. (includes the stall test) ask.

Posted on Jan 02, 2014

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Posted on Jan 02, 2017

ZJLimited
  • 17970 Answers

SOURCE: '02 ACCORD 1-2 Shift Shudder,

The shift control solenoid externally mounted on the transmission can fail and causes a harsh 1-2 shift. Replacing the shift solenoid and flushisng the transmission with genuine Honda automatic transmission fluid may eliminate harsh shifting characteristics. A broken internal spring can cause the same issue. If the shift control solenoid does not repair the problem, the transmission will have to be replaced.

In both cases (CR-V and the Civic) there is a linear solinoid that can cause the problem or if not then a broken spring inside the transmission that can create the same issue. The cheapest thing to do is to replace the linear solinoid and flush the transmission. If there is no change then the transmission will need to be replaced. The spring is deep inside the transmission and would require complete disassembly for replacement, and it's ususally more cost effective to replace the transmission as a unit.

Honda has issued a bulletin on this issue. As far as I can recall it's been about 50/50 between the spring and the solinoid to repair the problem. Some customers choose to live with the issue due to the cost involved.

Hope helps.

Posted on Jan 25, 2011

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