In this article we will try to help you fix a problem that can be frustrating, and if not handled in time become a financial drain. Surely, spotting a leak on your car is hardly ever reassuring, and it is even less calming when it’s a gearbox leak on your smart forfour . Today, we’re going to help you confirm that it’s indeed a gearbox leak, then, how to repair a gearbox or transmission leak, then, give you some prevention tips, and, at last, give you an idea of the price of the gearbox of a smart forfour.
Gearbox leak on smart forfour, source and symptom
If you have spotted an oil stain on the ground, you will need to validate that this leak is indeed caused by the gearbox of your smart forfour. To get this done, you will need to go under your car and follow the oil leak. If it is transmission oil, it must be caused by your gearbox sump or an adjacent room. Once established, here are the possible sources of this transmission leak:
- A gearbox cap: If it’s wrongly screwed on…
- Defective torque converter: Only present on automatic gearboxes.
- From the transmission oil sump: In the event that it is cracked or damaged
- One of your seals damaged
How to repair a gearbox leak on smart forfour?
After discovering the different sources of a gearbox or transmission oil leak on your smart forfour, we will try to explain to you what are your possibilities to repair this oil leak. Remember that no matter the reason, after having founded a leak, you must go to a mechanic to distinguish the exact source of the leak, in any other case your gearbox might be irreparably damaged. However, here is how the service of the mechanic and the solutions that will be offered to you:
- Very often to distinguish the leak, the mechanic will have to dismantle your gearbox, which will necessitate a high labour cost.
- If you’re lucky and it’s just a gasket, your mechanic will replace it and reassemble the gearbox of your smart forfour, in any other case you’ll have to change the complete gearbox
- Finally, for the do-it-yourselfers, it is possible to use a sealing kit which is only effective in the case of small leaks, this kit is worth around 40 euros
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Prevention: How to avoid gearbox leaks on your smart forfour?
There aren’t many alternatives to avoid gearbox leaks on your smart forfour , nevertheless here are the three most effective:
- Frequent oil changes on your gearbox deck.
- Drain your gearbox and put new oil in it. If you want to know everything about this action, please read our content on this subject.
- Use a specific additive for routine service of gearbox seals, these additives will restore flexibility and enable to plug moderate leaks, you will discover some for a few dozen euros at Oscaro.
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Price of a smart forfour gearbox
Finally, we would like to give you an idea of how much it costs to change the gearbox of a smart forfour. As you have understood, gearbox problems quite often lead to a complete change of this part. It is hard to give you a precise price because depending on the mechanic the labour can vary quite a lot and depending on your engine the part will also have a different price, nevertheless, we estimate that the repair, labour included will cost you between 800 and 2000 euros , knowing that the part alone costs between 400 and 1000 euros.
To get more tips on the smart forfour, take a look at the smart forfour category.
