How To Change The Timing Chain In The New Corvette

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Thread: How To Change The Timing Chain In The New Corvette

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    News Contributor Premium Member Perian's Avatar
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    How To Change The Timing Chain In The New Corvette

    Ward's Auto News
    March 6, 2020





    Photo credits: Ward's Auto

    The front of the engine is so close to the firewall that mechanics some years from now having to change the accessory belts or timing chain will be cursing the design engineers because they left no room to pull out the old belts or install the new ones.

    The car will have to be hoisted so the mechanic can crawl underneath. Then the engine (in front of the rear axle) and the differential and 8-speed dual-clutch transmission (extending behind the rear axle) will have to be unbolted as a unit and lowered from the chassis far enough for mechanics to access the belts, GM engineers confirm.








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    Last edited by vanshmack; 03-12-2020 at 01:06 PM.

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    Re: How To Change The Timing Belt In The New Corvette

    Here's hoping GM is using very heavy duty accessory belts and timing chain on the (stunning) new Corvette.

    Click the link and read the whole article - it's a great read!









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    Re: How To Change The Timing Belt In The New Corvette

    Welcome to maintenance on a mid-engine performance car.
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    Re: How To Change The Timing Belt In The New Corvette

    Quote Originally Posted by impala02 View Post
    Welcome to maintenance on a mid-engine performance car.
    Not really a Mid Engine thing. a 1991 Regal 3.8 L required removing a Motor Mount to replace the Accessory Drive Belt.

    Welcome to, Powertrain/Chassis Development housed in 2 different Buildings.

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    Re: How To Change The Timing Belt In The New Corvette

    Oh well...that's not a negative as most buyers won't be turning their own wrenches anyway, that isn't their expected clientele...it's an $85k supercar beating mid engined Corvette, if you need to get something done maintenance wise, take it to the dealer like everyone else who owns an Exotic does.
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    Re: How To Change The Timing Belt In The New Corvette

    You can offset it against the $100k+ savings vs. buying the Euro equivalent!

    Kidding aside, anyone with more knowledge on repair costs want to make a guess at how much this will cost to replace? I assume it will be several thousand $$.

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    Re: How To Change The Timing Belt In The New Corvette

    Quote Originally Posted by BlackGTP View Post
    You can offset it against the $100k+ savings vs. buying the Euro equivalent!

    Kidding aside, anyone with more knowledge on repair costs want to make a guess at how much this will cost to replace? I assume it will be several thousand $$.
    Six hours?

    The last timing BELT I had was my 2007 Spectra. Progress.
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    Re: How To Change The Timing Belt In The New Corvette

    That looks like a chain to me.

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    Re: How To Change The Timing Belt In The New Corvette

    It's a chain. The article talks about accessory belts and timing chains. They are not the same, and this is poorly titled as a result.

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    Re: How To Change The Timing Belt In The New Corvette

    Obviously GM small blocks donít have timing belts, so in the unlikely event that the chain breaks or must be replaced, itís pretty likely that the engine would have to come out anyway, as it would very likely be catastrophic. Most of the time, I think timing chains are replaced on ohv V8s as preventative maintenance when youíre doing something else in there.

    Iím skeptical that they would build a car where the accessory drive belt canít be changed with the engine in the car. It doesnít take tons of room to do it, and for many years mechanics have been changing them in tight spots on FWD vehicles. Even if GM doesnít recommend it, I wouldnít be surprised if someone figured out a way to do.

    The downer might be that the engine may have to be dropped to do the water pump. Not exactly an uncommon failure on high mileage vehicles, LS engines included, it would be an expensive pill to swallow around at 100k miles or so.

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    Re: How To Change The Timing Belt In The New Corvette

    Quote Originally Posted by Neanderthal View Post
    Six hours?

    The last timing BELT I had was my 2007 Spectra. Progress.
    Corvette uses a chain. Many manufacturers still use belts.
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    Re: How To Change The Timing Belt In The New Corvette

    Quote Originally Posted by InCogKneeToe View Post
    Not really a Mid Engine thing. a 1991 Regal 3.8 L required removing a Motor Mount to replace the Accessory Drive Belt.

    Welcome to, Powertrain/Chassis Development housed in 2 different Buildings.
    That was only for the supercharged 3.8, no?
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    Re: How To Change The Timing Belt In The New Corvette

    Quote Originally Posted by impala02 View Post
    Corvette uses a chain. Many manufacturers still use belts.
    \

    I would guess not on that. But I'll look it up.

    Never mind, no handy list at doctor google.

    Quote Originally Posted by Chassis Guy View Post
    It's a chain. The article talks about accessory belts and timing chains. They are not the same, and this is poorly titled as a result.
    Tom Murphy apparently doesn't know his ass from his elbow. Typical modern "journalist" who knows nussink nussink.
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    Re: How To Change The Timing Belt In The New Corvette

    Quote Originally Posted by InCogKneeToe View Post
    Not really a Mid Engine thing. a 1991 Regal 3.8 L required removing a Motor Mount to replace the Accessory Drive Belt.

    Welcome to, Powertrain/Chassis Development housed in 2 different Buildings.
    Add any LS4 W body to that category as well
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    Re: How To Change The Timing Belt In The New Corvette

    Quote Originally Posted by chris442 View Post
    Obviously GM small blocks donít have timing belts, so in the unlikely event that the chain breaks or must be replaced, itís pretty likely that the engine would have to come out anyway, as it would very likely be catastrophic. Most of the time, I think timing chains are replaced on ohv V8s as preventative maintenance when youíre doing something else in there.

    Iím skeptical that they would build a car where the accessory drive belt canít be changed with the engine in the car. It doesnít take tons of room to do it, and for many years mechanics have been changing them in tight spots on FWD vehicles. Even if GM doesnít recommend it, I wouldnít be surprised if someone figured out a way to do.

    The downer might be that the engine may have to be dropped to do the water pump. Not exactly an uncommon failure on high mileage vehicles, LS engines included, it would be an expensive pill to swallow around at 100k miles or so.
    I suspect you are right. After all, they set it up so a DIY can do the oil change, something quite unusual for a mid engine.

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