How to check your Focus RS to see if you have V4 or V5 engine that are prone to cracked block

[LonestarRS]

Good way to check. By the starter, if you have a hex plug you have a version 5, if you have a riveted plug you have a version 4 engine. Version 4 engines are believed to susceptible to cracked engine block.

Symptoms:

• Car doesn't idle properly
• High engine temperatures
• Car engine misfire
• Car engine smells of burning sugar

[video=youtube;WQHlUOk2XOs]https://www.youtube.com/watch?v=WQHlUOk2XOs[/video]
[video=youtube;G4rVitSfSC8]https://www.youtube.com/watch?v=G4rVitSfSC8[/video]

 

[MKIIIRS]

Just checked mine, hex as well.

 

[FocusMike]

I do hope that is the indicator, hex here too.

 

[GhostRS]

Assuming the affected build dates are accurate, mine was built 10/23/16, so it shouldn't be affected.

 

[LonestarRS]

I think for the most part, the '17 model year is safe.

 

[GhostRS]

I think for the most part, the '17 model year is safe.

I agree.

 

[MKIIIRS]

Mine was a May production, hopefully I made the cut-off date, but its still up in the air until Ford releases some more concrete information.