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by chrisw99
Fri Aug 23, 2019 12:25 pm
Forum: Engine & Drivetrain
Topic: Radiator fan loud knocking
Replies: 16
Views: 1188

Re: Radiator fan loud knocking

All replaced and good, done under extended warranty.
Really couldn't decide about taking out yet another years warranty for £390 back in March. Glad I did now...

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by chrisw99
Mon Aug 19, 2019 1:25 pm
Forum: Engine & Drivetrain
Topic: Radiator fan loud knocking
Replies: 16
Views: 1188

Re: Radiator fan loud knocking

I would guess it's sucking air away from the radiator into the engine bay. The air in the engine bay around there is extremely hot so probably not good if that gets blown onto the radiator!
by chrisw99
Mon Aug 19, 2019 12:29 pm
Forum: Engine & Drivetrain
Topic: Radiator fan loud knocking
Replies: 16
Views: 1188

Re: Radiator fan loud knocking

Well I've been driving for 30 years, most of my cars reach 90-100K before I flog them, and I've never had a radiator fan go bad before. I would have kicked up a fuss if they'd said it was wear and tear. This forum would be awash with reports of it if it was common. There's only 1 similar report I co...
by chrisw99
Mon Aug 19, 2019 12:03 pm
Forum: Engine & Drivetrain
Topic: Radiator fan loud knocking
Replies: 16
Views: 1188

Re: Radiator fan loud knocking

48000
by chrisw99
Mon Aug 19, 2019 8:12 am
Forum: Engine & Drivetrain
Topic: Radiator fan loud knocking
Replies: 16
Views: 1188

Re: Radiator fan loud knocking

£300 part + 2.5 hours labour.

At least it means I've got my moneys worth for my £390 extended warranty this year.
by chrisw99
Mon Aug 19, 2019 7:58 am
Forum: Engine & Drivetrain
Topic: Radiator fan loud knocking
Replies: 16
Views: 1188

Re: Radiator fan loud knocking

Took them 10 seconds to diagnose bearing failure - knocking caused by bearing bits banging around inside the fan.

Covered by extended warranty, so will get a new fan installed later this week.
by chrisw99
Fri Aug 16, 2019 1:04 pm
Forum: Engine & Drivetrain
Topic: Radiator fan loud knocking
Replies: 16
Views: 1188

Re: Radiator fan loud knocking

Not sure I'm going to be able to get the fan out and have a look at it - according to the service manual it requires removal of the front bumper, draining all the coolant so you can disconnect some pipes that run in front of it, etc... not an easy job. The fan does spin very smoothly by hand most of...
by chrisw99
Fri Aug 16, 2019 9:00 am
Forum: Engine & Drivetrain
Topic: Radiator fan loud knocking
Replies: 16
Views: 1188

Re: Radiator fan loud knocking

Sounds like worn bearings on spin down and causing blades to run out of true (wobble)...fairly typical power down occurrence. Full radiator assembly replacement then or can they replace the bearing? Got a Nissan Ultimate extended warranty, and can't see anything that would mean it wouldn't be cover...
by chrisw99
Fri Aug 16, 2019 8:05 am
Forum: Engine & Drivetrain
Topic: Radiator fan loud knocking
Replies: 16
Views: 1188

Radiator fan loud knocking

I've noticed my radiator fan is knocking quite violently when it shuts down after the engine goes off. All the blades seem fine, can't see anything physical (from above) that would be causing knocking. Spinning it by hand it doesn't knock, and 90% of the time it spins very smoothly. 10% of the time ...
by chrisw99
Mon Jul 29, 2019 11:14 am
Forum: Electronic systems
Topic: FIRMWARE VERSION
Replies: 417
Views: 102168

Re: FIRMWARE VERSION

d0Min_uS wrote:
Sat Jul 27, 2019 8:52 pm
No dealer here to upload the zip file for the forum user? Thanks!
Yeah they must be getting fed up of doing all these boring updates free of charge. Would make sense if someone leaked it here!

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