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What is a Powertrain Warranty?

Powertrain warranty typically covers the engine, transmission and drivetrain.
Having manual transmission on the car may impact powertrain warranty.
Odometer readings are important in determining coverage.
Transmission repair is typically offered free of charge under a powertrain warranty.
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  • Written By: O. Wallace
  • Edited By: Bronwyn Harris
  • Last Modified Date: 30 September 2014
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After you’ve considered the model, bells and whistles and the price of a car, one of the most important features to compare when purchasing one is the warranty offered by the manufacturer. A powertrain warranty covers all or part of the powertrain of a vehicle, which is made up of the engine, transmission and drivetrain. Essentially, the powertrain is the system that powers the car, and then transfers that power to the transmission, then finally to the wheels of the car. When a mechanical problem occurs with a covered part of a powertrain, the manufacturer or auto dealership will pay to have it repaired. What exactly is covered, and to what extent varies enormously.

The powertrain warranty is a powerful marketing tool used to entice buyers in the auto industry. Where a 10-year powertrain warranty was once considered a great warranty, companies like Chrysler are now offering lifetime powertrain warranties with most of their vehicles. It may make all the difference when considering which car to buy, and with the highly competitive nature of the industry, buyers are benefiting from the competition.

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As with any contract, the fine print makes all the difference. Make sure you carefully examine the powertrain warranty when comparing different options. If you don’t have a lot of technical knowledge concerning the innards of a car, it’s a good idea to consult someone more knowledgeable, such as a trusted mechanic, or research the terms on the internet. The definition of what a powertrain actually is can vary from manufacturer to manufacturer. For instance, one definition of an engine can be referred to as a “long block,” meaning everything on the engine that cannot be removed, or another can be a “short block,” meaning only the part of the engine below the cylinder head, without the oil pump.

After you’ve determined what is covered on the engine, be sure to examine how the powertrain warranty defines the transmission and the drivetrain. If you have a manual transmission, the warranty may exclude an important part such as the clutch. It may cover the driveshaft, the axles or transaxle, but may exclude parts that typically wear, such as clutch plates or CV joints. One thing to remember is that any after market modifications may void or alter the powertrain warranty.

A powertrain warranty can vary in the maximum allowable miles and years that the coverage is in effect. Typically the powertrain warranty covers more miles than a general or “bumper to bumper” warranty. With a 10 year/100,000 mile powertrain warranty, a powertrain is covered for up to 10 years or 100,000 miles, or whichever comes first. Even if you only put 50,000 miles on a car in 10 years, your coverage will end at that point. Conversely, if you pass 100,000 miles before the 10 years is up, your warranty will lapse. Again, this varies with the manufacturer, or if the car is new or used. Companies buying fleet vehicles may also have very different powertrain warranty coverage than would a normal consumer.

Finally, be sure to check how extensive the warranty is in what type of work is covered. For example, some warranties will only cover the inspection and disassembly of the part, but not the reassembly and/or installation of the repaired or new part. You may bring in your car for a repair you thought was under warranty only to be slapped with a huge repair bill. Like with all things, powertrain warranties can come with frills, such as rental car benefits, towing and the ability to transfer it to a new owner.

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Discuss this Article

anon971871
Post 57

I have a 2013 GMC diesel truck. Got it new from dealership. I've had it for 12 months and I just went over 36,500 miles. Now I have an oil leak. Since it has passed 36,000 miles, is truck still under warranty to get oil leak repaired?

anon944553
Post 56

I have a 2009 Dodge Caravan with 40,000 miles. I just had it checked for power train warranty. Now my gear shifter is not working. Is that covered?

anon939023
Post 55

Is the front headlamp covered under powertrain warranty?

anon354880
Post 53

Don't buy a warranty. They are a scam.

anon352266
Post 52

Does anyone know if the steering box is covered on a 2011 Camaro with 41 thousand miles on it?

anon336675
Post 49

Glad I read this. I was about to go with a used car at Enterprise which power trains to 12000 or one year. Yeah, I couldn't believe it either! So I asked what are the options and they tried to after-market me and I after-marketed out the door. The immediate feeling was we don't want to be responsible and another thing was the thought of all those carcasses that sat in that seat before me. I'm going new!

anon319175
Post 47

I have a power train warranty that is supposed to cover the cost to repair the problems I am having with my engine. I read the entire thing and it's supposed to cover what was repaired, but now I'm getting the run around from the insurance company. What do I do?

anon310025
Post 46

I have a 2011 Chevy impala and we already had to fix the water pump. Now it's the accelerator pedal sensor and Chevy is telling us it's not covered under the powertrain warranty. But without the accelerator, how would the car move? Chevy said they know it's a faulty part but still sell the product.

anon295714
Post 45

The engine cuts out on a 2009 Mazda 3 randomly. No codes are showing up. Is this covered under a power train warranty?

anon294699
Post 44

To the people asking if it's covered or not by powertrain warranty, take out your warranty booklet or the contract you have signed and see for yourself.

anon280557
Post 42

How does one try to get the car company to reconsider the terms of the warranty?

anon252911
Post 40

I have a 2003 bmw with 98,000 miles on it. I was thinking about getting a warranty. Is it really worth it?

clang24
Post 38

My car won't start and jump starting didn't help at all. I brought it to the dealership and they said it's the starter. It has to be changed.

It has 35,500 miles on it and I bought it 11/2006. civic 07. Will the powertrain warranty cover for that?

anon200166
Post 36

It's a shame that my powertrain warrenty for my 2007 trailblazier won't cover a fuel level sensor which is part of the fuel pump which is covered. It just doesn't make sense for a part in the pump not to be covered.

anon192018
Post 35

A warranty is for manufactor defects only and some parts are not covered. Read your warranty pamphlets before you accuse a dealer of not covering something.

anon178431
Post 34

is a scratch on the driver side door covered by the power train warranty? Looks like someone keyed it.

anon174928
Post 33

Today I went to the dealership with a 2008 Chevy Equinox with 67,000 miles. Bearings need to be replaced and they told me it is covered under powertrain. I have to pay for a strut and alignment.

anon166532
Post 32

does my steering has anything to do with my powertrain? i have a 100,000 mile warranty on it. My steering is all out of control. it is very very easy to turn. is that covered?

anon137691
Post 31

the axles are not parallel with one another on the dodge truck and can't get the tires aligned. Are axles part of the drivetrain?

anon130943
Post 30

I just bought a pre owned certified 2010 Mazda 3.

I had to purchase 695.00 extended warranty and a 1600.00 additional policy. I believe we were totally ripped off, but the salesman knew how to get us. We should have done more homework before purchasing. lesson learned!

anon125562
Post 29

Chances are nothing is covered under the Powertrain, because the dealers and manufacturers can always claim its "wear and tear," unless you have zero miles on your car. Even then, they would come up with some reason to deny any coverage. Whatever you do, never buy an extended warranty! The original manufacturer warranties don't even pay!

anon122086
Post 28

i have an infiniti 2006 G35 and my clutch started slipping. i have powertrain warranty on the car still. does anyone know if it's covered by powertrain warranty?

thank you so much.

anon112982
Post 27

Purchased a 2004 Dodge Durango. found out extended power train warranty does not cover head gaskets. Probably because they already know these cars have a habitual problem with that part of the engine. Oh well, what do you do?

anon111438
Post 26

It is funny. Out of all the car problems listed below in the other comments, none of them is a Chevy! I think it is time to switch to Chevy, everyone!

anon110164
Post 25

Powertrain auto warranties now cover A/C and some electrical. And if the policy you're about to buy does not, then don`t buy it.

anon109350
Post 24

Is the air conditioning unit part of the powertrain? And will my motor freeze up if it goes bad?

anon101719
Post 23

What is covered?

anon100543
Post 22

How do you file a complaint?

anon99908
Post 21

Powertrain warranties are great for the expensive parts -- in the long run. Just hopefully you won't need to use it. --K

anon99878
Post 20

Before you think you're getting a good deal with a lifetime powertrain warranty, read it. You're really not! My Jeep Commander has everything go wrong with the axles and it was never covered. Sad thing is the car is only three years old and 54,000 miles. You know my next car won't be one.

anon99691
Post 19

Should you get an extended warranty for a Dodge Charger?

anon99689
Post 18

PT Cruiser and the bearings are shot and only 30,000 miles and this warranty does not cover it! Something is wrong.

anon99685
Post 17

Jeep Patriot 2008 40,000 and the front axle bearings are bad now, and they say the warranty doesn't cover it. How can that be?

anon96736
Post 16

I have dodge caravan 2007 model year. My steering just stopped turning while driving. I found that the belt of alternator is broken and battery low light came on. Would this be covered under the powertrain warranty?

anon95288
Post 15

how long is the antilock brake system covered -- is it part of the powertrain? I know wearable parts of the brakes aren't covered (shoes and pads) but have an ABS problem at 49,950 miles (with reg. warranty until 50,000 miles). thank you.

anon91525
Post 14

My computer just went out in my 2007 Dodge Caliber and it's covered under my powertrain warranty!

anon84616
Post 13

Has anyone met or even heard of a person who has collected on a power train warranty?

anon79783
Post 12

Are Powertrain warranties transferred to pre owned cars?

anon78539
Post 11

In my experience wheel bearings are covered. I took in a chevy with 70k+ miles on it and under three years, and they fixed it for free. They told me it was covered under the powertrain warranty. Don't know if they made a mistake or not, usually they don't, but in any event, it was covered.

atbravo
Post 10

Does anyone know if the throttle position sensor is considered part of the drivetrain and covered under the drivetrain warranty. 2005 Nissan Altima. Thank you.

anon60597
Post 9

I have a 2006 f-150.38,000 miles, owned new for three years and four months. The front spindle bearings are shot and the warranty won't cover it. They should last at least 100,000 miles. Guess I will buy a new chevy soon.

anon58921
Post 8

had to get a new alternator in my ford freestar. thank goodness we bought the power train warranty. It worked out this time, but don't think i'll buy one for my uplander.

anon56267
Post 7

i have found out the hard way that powertrain warranties stink. Nothing ends up being covered, and as for the wheel bearing, no, they're not covered. I've had to replace two already. $800 in the hole.

anon52939
Post 6

Is the sending unit part of the power train warranty? In my 2007 trailblazer, the sending unit and fuel pump are all one unit.

anon52823
Post 5

is the steering system part of the powertrain?

anon51267
Post 4

is the alternator part of the power train warranty?

aks1114
Post 3

Would a rear wheel bearing be considered part of the powertrain?

anon27644
Post 1

Would an intake manifold runner be considered part of the powertrain?

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