2015 Ford KA juddering when cooling fan comes on.

Car: Ford KA
Year: 2015
Variant: 1.2 zetec white series
Categories: Leaks & Noises
When the engine cooling fan the whole car judders. I've had the fan and mounting out and bench tested it and it runs quietly with no shaking or juddering. Has anyone any ideas please?
Posted: Jun 24, 2017 (6 years ago)
On a car that age it should still be under warranty. Take it back to the dealers.
Posted Jun 24, 2017 (6 years ago)
Yes, I'd thought of that, they want to charge the earth just to have a look!
Posted Jun 24, 2017 (6 years ago)
You have vastly cut the odds on getting it repaired under warranty by removing and testing yourself .Any such moves are grounds for rejecting warranty repairs if dealership sees signs of this .All depends on dealership .
Posted Jun 24, 2017 (6 years ago)
Warranty also dependant on mileage and car have been serviced as per Ford schedule .
Posted Jun 24, 2017 (6 years ago)
Yes, I understand all that but has anybody got any idea what's causing the problem?
Posted Jun 25, 2017 (6 years ago)
You sure the juddering is a form of engine miss fire?
Do the revs drop to below idle speed?
Posted Jun 25, 2017 (6 years ago)
The idle speed stays the same and there's no misfire when the fan comes on but the whole car judders.
Posted Jun 25, 2017 (6 years ago)

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