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Re: I change the gearbox oil on tr4a. 10 miles later, it...
Standard shift? I assume this as it is the most common version. No matter, Check your fluid level. If it is a standard shift you may need to adjust the clutch and or throw out bearing.
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I am sorry to tell that the gearbox need to have some major repair. It is also not advisable to continue driving as the gearbox can breakdown completely leaving you stranded. At least one the cluster drive gears in the gearbox is damaged (gear tooth stripped off) that will result in that only some of the gears being able to be selected. The broken off tooth are still in the gearbox and due to the oil movement in the gearbox it can be "washed up " in between to engaged gears destroying those as well. This will happen up to the point where there are no gear selection at all.
Sounds like the gearchange friction bands or actuators are sticking, but the solution is probably to change the gearbox oil - maybe more than once - to clean up the gearbox. This can produce miracles, as all the sliding hydraulic actuators depend on it.
Hi there. Although the Dealer has changed the oil, did they do a 'Stall Test' whilst the gearbox was cold and again when at normal running temperture? If not, that's what they must do firstly. This will identify whether you have a slipping clutch/s. The Honda autobox also includes what is known as accumulators - these control how each clutch is engaged during acceleration. For example, if you are accelerating slighly/smoothly, you want each gear to be engaged gently and smoothly, whereas, when accelerating hard, you need the gear engaged quickly and hard to aviod clutch slippage. Thus, the fact that you are experiencing a hard engagement might mean that an accumulator/s is seized. If that's the case, it will mean that the autobox will need stripping, cleaning and be checked for worn components. Hope this helps, Scottech.
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