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Honda Civic manual transmission whine

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  • #626040
    JustinJustin
    Participant

      My 1994 Honda Civic LX make whiney noises in 1st and 2nd gear. Shifting is smooth and the gears never grind. I changed the fluid with Honda MTF less than 1k miles ago and the noise is still there. Is there anyway to fix this or does the transmission need a rebuild?

      It doesn’t feel like it needs work, the car drives normal and shift like butter. Reverse sometimes will grind unless I put it in 1st then reverse then it always go in smoothly.

      Is it safe to drive in higher rpm while it whines like that?

    Viewing 14 replies - 16 through 29 (of 29 total)
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    • #631538
      MikeMike
      Participant

        $400 sounds really cheap if that’s thru a shop on the books. If it’s a side job kind of thing then that’s fine, but I’d be suspicious of why a shop would be willing to do that job so cheap. If they have a specialist that can do it right really fast and they want to be nice to you, maybe. I suppose if the labor rate is $40/hour or somebody with really low pay will do it that might also explain it. It might be fine though, I haven’t seen every kind of place there is. I’ve only been around in dealers and a few independent shops where labor rates are $70+/hour, so I don’t know for sure what goes on in a cheaper shop.

        Please don’t think I’m trying to discourage you from having it fixed. If you pay $400 and it works out fine, that will be a really good deal for you. A really good deal.

        As for the jerking, that is a whole separate matter all together and should be considered an additional cost. I could be engine mounts, clutch, or an engine drivability problem. Engine mounts and a clutch usually are cheaper to do if combined with a larger job like that where they’ll be somewhat apart or exposed anyway. Having the trans out without putting a clutch in should only be done if cost is of the utmost concern and there is no obvious problem with it. If it’s all full of clutch dust in the bellhousing, the release bearing and clutch disc may not move freely being clogged with dust. That can make it tough to slip it just right to be smooth with it, for example.

        #631670
        JustinJustin
        Participant

          Thanks for the feedbacks. Will this bearing fix the jerking issue as well or is it a different problem?

          #631702
          MikeMike
          Participant

            [quote=”Fopeano” post=112367]As for the jerking, that is a whole separate matter all together and should be considered an additional cost. I could be engine mounts, clutch, or an engine drivability problem. Engine mounts and a clutch usually are cheaper to do if combined with a larger job like that where they’ll be somewhat apart or exposed anyway. Having the trans out without putting a clutch in should only be done if cost is of the utmost concern and there is no obvious problem with it. If it’s all full of clutch dust in the bellhousing, the release bearing and clutch disc may not move freely being clogged with dust. That can make it tough to slip it just right to be smooth with it, for example.[/quote]

            #631873
            JustinJustin
            Participant

              My bad I over looked that. The jerk is mainly from deceleration so it can’t be clutch right? Are motor mounts easy to replace? They are just bolted on right?

              #631900
              MikeMike
              Participant

                They are ‘just bolted on’ but it varies quite a bit how difficult they can be to replace. No mount is A level work though, so moderate mechanical skill and normal tools should do it. If you want to know what shape your mounts are in, have the car just sitting on the ground in 1st with no brake and go to the open engine bay and start pushing and pulling the car back and forth. This will cause the engine to flop back and forth and you can see if any mounts are moving too much, coming apart, leaking, etc. The belts may also move back and forth during this indicating the engine is turning, but it’s not hurting anything don’t worry about that.

                #632752
                JustinJustin
                Participant

                  Can oil seal be reused?

                  The mechanic seems a bit unsure of the bearing. You mentioned earlier that input shaft bearing symptom include noise in neutral but my car makes no noise in neutral and only in gear. The sound does get louder in higher rpms. He said he cannot guarantee it is input shaft bearing issue.

                  #632811
                  MikeMike
                  Participant

                    Perhaps the whine is not coming from the transmission.

                    #632870
                    EricTheCarGuy 1EricTheCarGuy
                    Keymaster

                      I’ve seen a few issues with input shaft bearings on that transmission and I’ve successfully repaired the noise you describe by replacing them. I’m not saying for sure that’s what your issue is, after all, I haven’t heard the noise. That said, I can’t stress enough how important it is to use Honda transmission fluid. Not using it can result in issues with the transmission.

                      Also while you’re in there it’s not a bad idea to replace the clutch kit as well.

                      Keep us posted.

                      #633267
                      JustinJustin
                      Participant

                        Could it be the gear issue even though there is no grind during shifts? Honda transmission fluid was used 1k mile ago.

                        I think I’ll start with the jerking problem first and if its not motor mount then the transmission probably need a rebuild. How do gears with missing teeth feel like?

                        #633338
                        Lorrin BarthLorrin Barth
                        Participant

                          [quote=”kazienova” post=113226]Could it be the gear issue even though there is no grind during shifts? Honda transmission fluid was used 1k mile ago.

                          I think I’ll start with the jerking problem first and if its not motor mount then the transmission probably need a rebuild. How do gears with missing teeth feel like?[/quote]

                          With teeth missing, you hear a knock. One tooth missing can lead to others coming off and the noise gets worse.

                          There’s two shafts in the transmission each supported by a bearing at each end. Bearing noise would indicate one of these bearings is beginning to fail.

                          Grinding during shifts is caused by worn or damaged parts on one of the above shafts that otherwise allows the gears to engage smoothly during shifts.

                          Finally, a whine is just about universal in any manual transmission in first or reverse gears.

                          #854709
                          Nathan RupertNathan Rupert
                          Participant

                            Ok so, how bout this. This transmission now has 8 miles on fresh seals and bearings, the old tranny had SEVERE ISB noise.

                            This noise is as described, similar to reverse, pronounced in first, about half as bad in second, no problem past second. Been this way since day 1.

                            Tranny was pronounced good as gold by a reputable tranny only shop that was 85/hr labor.

                            Normal?

                            Sounds like a crown vic taking off in first, and is definitely RPM dependent.

                            This is my first Honda, but my fiesta sure didn’t whirr like this….

                            S40 big bearing b000 box

                            Serviced by ABC Transmission Tacoma WA

                            #854787
                            Nathan RupertNathan Rupert
                            Participant

                              It sounds like u didn’t shim a rear end right when u use a junkyard gearset.

                              #893228
                              robrob
                              Participant

                                resurrecting a super old thread I know, but my 93 civic VX is making this same noise. super noisy when idling and the clutch pedal is out, goes away when the pedal in is. and the car is so loud that I cant pick it out while driving. its got 400k miles on it and its the original transmission …..my current mechanic says its gonna be cheaper to get a used transmission than to rebuild this one, especially considering this ones got 400000 miles on it and theres no telling what other problems could be lurking in the current transmission…. so I guess Im asking if this is reasonable advice, to replace the transmission? the car has been amazing, but I guess 400k is a lot of miles for a transmission? thanks.

                                #893232
                                Billy AndrewsBilly
                                Participant

                                  Last time I looked, gearboxes for 90s hatchbacks were kinda hard to come by. In general though, a replacement is cheaper than a rebuild.

                                Viewing 14 replies - 16 through 29 (of 29 total)
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