gearbox

A transmission (also called a gearbox) is a mechanical device which uses a gear set—two or more gears working together—to change the speed, direction of rotation, or torque multiplication/reduction in a machine.
Transmissions can have a single fixed-gear ratio, multiple distinct gear ratios, or continuously variable ratios. Variable-ratio transmissions are used in all sorts of machinery, especially vehicles.

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  1. W

    Cannot select reverse gear

    New member but wanted to share in case this helps someone. Woke up this morning and our ZS would not reverse. Selected reverse camera came on but then slipped into park (rolling worrying forward as it went via neutral) as soon as took foot off brake. Read your forums many had similar problem and...
    • White ZS
    • Thread
    • aa-roadside-assistance door-sensor electronic-safety gearbox mg zs ev reverse-gear
    • Replies: 1
    • Forum: MG ZS EV Forum
  2. H

    Not able to put car in gear

    When starting my MG HS PHEV 2025 model sometimes I can’t get it into gear. I have to switch off the engine and re-start for it to work. When this happens the drivers seat moves all the way into set position rather than what it is mean to do i.e. the seat immediately moves only slightly forward...
  3. B

    Gearbox breather seal

    Hi all, I own a MG ZS EV mk1 from end 2019 and still enjoy it very much. Recently I had a problem with the reduction gearbox (strange sounds) and is was replaced under warranty. When inspecting the new gearbox I removed the cap of the breather hose on the gearbox and saw that it still has...
  4. Twrcha

    Inquiring about MG HS PHEV Transmission / Gearbox type?

    Can anyone please help with the below inquiries regarding the (MG HS Trophy PHEV 2023) gearbox / Transmission: What type of gearbox / Transmission does it have? Is it an e-CVT ? Is it a Parallel PHEV or a Series-Parallel PHEV? Does it operates as a Power Split Unit (PSU)? Why the 4WD option...
  5. D

    Over revving at 70mph

    Hi. I bought my MG HS PHEV 4 weeks ago. I started to have trouble when driving on a flat or slight decline where the engine in HEV mode would sit a 3000rpm. Even when letting go of the accelerator the engine would not change gear. I have since taken the car back to the main dealer who...
  6. M

    Reliability with gearbox/other issues?

    Hi all! Thanks for the add, much appreciated. Looking into getting my first PHEV next week. I have been given the spec of a (phase two) MG EHS 1.5T GDI 258ch PHEV Luxury from 25/03/2024. Having seemingly researched this to death and bored my Wife as well as the rest of the family it seems this...
  7. MG Clive

    XPower Gearbox Oil Breather ?

    Do we know if the XPower suffers from the oil breather leak I've been seeing in the MG4 forum, or had it been fixed before the Xpower came along ?
  8. A

    Gearshift settings

    Curious to see if anyone with mg ehs plug in changed the gear setting to AMT and noticed a difference. Does this void warranty? Does it change the CO2 levels and it might not pass inspection? Also without this gearbox setting, my gearbox makes a bit of a noise in this exact scenario: Driving...
  9. E

    Put into N still moves

    This car is first dealings with auto gearbox. Not sure if this should happen pulled up into car park turned dial to choose N but didn't hit park. Took foot off brake and car still moved flat surface not rolling it is moving under power I thought N selected car shouldn't move. Anybody confirm.
    • evor
    • Thread
    • automatic gearbox mg3 hybrid+ moving neutral
    • Replies: 14
    • Forum: MG3 Hybrid+ Forum
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