2.7 Ecoboost Serpentine/Accessory Drive Belts Diagram

[fordfam]

My 2021 2.7 ecoboost has 100K miles and I’m looking to replace my spark plugs, the serpentine belt, and whatever the second drive belt is. I believe the second belt is a stretch belt, but honestly I’m not sure what it drives..

Anyways I have been unable to find a belt diagram and I would really love to get one before I get started on this little project, so I thought I start a thread and maybe we can find one to share with everyone. Anyone got one?

There is a really great thread with info about changing the spark plugs already, so thank you to that person for posting that

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[bkuhl]

https://www.fordservicecontent.com/...a&div=f&vFilteringEnabled=False&buildtype=web

 

[fordfam]

Thanks!

 

[AnthemMike]

My 2021 2.7 ecoboost has 100K miles and I’m looking to replace my spark plugs, the serpentine belt, and whatever the second drive belt is. I believe the second belt is a stretch belt, but honestly I’m not sure what it drives..

Anyways I have been unable to find a belt diagram and I would really love to get one before I get started on this little project, so I thought I start a thread and maybe we can find one to share with everyone. Anyone got one?

There is a really great thread with info about changing the spark plugs already, so thank you to that person for posting that

I wrote this thread up not long ago when I changed mine.

https://www.f150gen14.com/forum/threads/2-7l-spark-plug-change-diy.23694/

 

[KTM753]

My 2021 2.7 ecoboost has 100K miles and I’m looking to replace my spark plugs, the serpentine belt, and whatever the second drive belt is. I believe the second belt is a stretch belt, but honestly I’m not sure what it drives..

Do you have ProPower 2.0 kW? I do. The 2nd belt drives a 2nd alternator that charges (2) 12v batteries in series, 24 volts, for the 2.0 kW inverter inder the back seat. If you click left in the link above it shows the belt diagram for 2.7L with two belts. See attached, bottom left is 2nd alternator:

 

[fordfam]

I do! That’s actually how my belt is routed. Thanks for sharing this. I’m changing both belts on Monday.

 

[fordfam]

I wrote this thread up not long ago when I changed mine.

https://www.f150gen14.com/forum/threads/2-7l-spark-plug-change-diy.23694/

thank you for this! This was the thread I was referring to

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