In this article we will try to help you resolve a problem that can be annoying, and if not handled in time become a financial drain. Surely, spotting a leak on your car is rarely reassuring, and it is even less calming when it’s a gearbox leak on your Chevrolet Suburban . In this article, we’re going to help you confirm that it’s in fact a gearbox leak, then, how to fix a gearbox or transmission leak, then, give you some prevention tips, and, finally, give you an indication of the price of the gearbox of a Chevrolet Suburban.

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Gearbox leak on Chevrolet Suburban, source and symptom

If you have spotted an oil stain on the ground, you will need to verify that this leak is in fact caused by the gearbox of your Chevrolet Suburban. To do this, you will need to go under your vehicle 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 improperly screwed on…
  • Defective torque converter: Only present on automatic gearboxes.
  • From the transmission oil sump: In the event it is cracked or damaged
  • One of your seals damaged

How to fix a gearbox leak on Chevrolet Suburban?

After discovering the different sources of a gearbox or transmission oil leak on your Chevrolet Suburban, we will try to show you to you what are your possibilities to fix this oil leak. Realize that in any case, after having determined a leak, you must go to a garage to determine the exact source of the leak, otherwise your gearbox might be irreparably damaged. Nevertheless, here is how the service of the garage and the solutions that will be offered to you:

  • Very often to determine 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 Chevrolet Suburban, otherwise you’ll have to replace the complete gearbox
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  • At last, for the do-it-yourselfers, it is possible to use a sealing kit which is just powerful 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 Chevrolet Suburban?

There aren’t many alternatives to avoid gearbox leaks on your Chevrolet Suburban , however here are the three most effective:

  • Regular oil changes on your gearbox deck.
  • Drain your gearbox and put new oil in it. If you want to know everything about this task, please browse our content on this subject.
  • Use a particular additive for maintenance 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 Chevrolet Suburban gearbox

At last, we would like to give you an indication of how much it costs to replace the gearbox of a Chevrolet Suburban. As you have realized, gearbox problems generally lead to a complete replace of this part. It is difficult to give you a precise price because based on the garage the labour can vary a lot and based on your engine the part will as well have a different price, however, 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 discover more tips on the Chevrolet Suburban, take a look at the Chevrolet Suburban category.