Transmission only works in reverse

1993 HONDA ACCORD
187,000 MILES • 2.2L • 4 CYL • FWD • AUTOMATIC
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MIKEYLOU
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  • 2 POSTS
My automatic transmission will not drive in d4 d3 2 or 1 but it will engage in Reverse. I have to apply slow pressure to the gas pedal for the vehicle to move reverse. I checked the resistance on the lock up and control solenoid and replaced the TPS. there is a high pitch whine coming from the transmission where it meets the motor but when I apply pressure to the throttle control lever the whining sound will temporarily go away then returns when I steady the rpms no matter the rpm.
Feb 25, 2014 at 8:53 AM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
What does your transmission fluid look like?Sounds like the transmission is no good.
Feb 25, 2014 at 9:45 AM
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CADIEMAN
  • ✓Experienced Mechanic
  • 3,544 POSTS
First check the fluid level. It maybe a bad converter or a clogged up filter causing the noise. You need to take ithim him to a tranny shop and let them perform a pressure test on it.
Feb 25, 2014 at 10:41 AM
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MIKEYLOU
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Fluid was changed with in the last 10k miles so it's clean and the level is within limits of the dipstick. I know how to do a pressure test what exactly should I be looking for other then to high our to low pressure?
Feb 25, 2014 at 2:01 PM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
Thats what your looking for the pressures being within spec.
Feb 25, 2014 at 11:14 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon,

Check you main line pressure. It should be around 100-150 in drive and around 300 in reverse.

https://www.2carpros.com/articles/automatic-transmission-problems

The bad part of this is the filter. It sounds like it is clogged and making it sound like a power steering pump whining from low fluid. That would require removal of the transmission and splitting the case.

10,000 was a long time ago and I would start there with the fluid.

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Look for any debris in the fluid when you drain it out.

Roy

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Apr 3, 2020 at 4:39 AM
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