# Random Transmission Clunkiness

**URL:** <https://community.cartalk.com/t/random-transmission-clunkiness/22550>\
**Category:** Maintenance/Repairs\
**Tags:** transmissions\
**Created:** [November 25, 2008, 6:27pm UTC](https://community.cartalk.com/t/random-transmission-clunkiness/22550 "2008-11-25T18:27:05Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Mytchell](https://avatars.discourse-cdn.com/v4/letter/m/e47c2d/32.png) [@Mytchell](https://community.cartalk.com/u/Mytchell)\
**Post date:** [November 25, 2008, 6:27pm UTC](https://community.cartalk.com/t/random-transmission-clunkiness/22550/1 "2008-11-25T18:27:05Z")

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I have a 1999 Honda Passport (Isuzu Rodeo) that I drive only a couple times a week. About 3 times a year, the transmission will act out. The most common is it will rev quite high before shifting then slam into the next gear. It has 110k miles; I bought it at 80k miles and don’t know the maintenance. I haven’t done anything.  
  
  
  
 I am hoping a transmission flush will take care of this???  
  
  
  
 Also, I live in a place with a lot of steep hills and mountains with switchbacks (10 and 15 mph). I often drive in 1st or 2nd down the hills to save brakes.