intermittent heater fan

Jikarti · 24-11-2017, 14:38

Hi, this is my first post on this forum so Hello!
I have a 1999 Nissan Patrol 2.8TD GR in very good condition with only 91000 miles from new, a very full detailed service history and I am the second owner. All good so far. The only problem is the heater fan which from time to time in all weather, ceases to work. It then restarts, one day later or two weeks later with no obvious cause. Sometimes it will run for a few months and then stop.
I have removed the cover from the fan housing and the fan is very clean. Does anyone have any ideas please?

solarman216 · 24-11-2017, 22:42

Hi and welcome, I have no specific knowledge on the Patrol, but I would guess the brushes are sticky from your description, if it is anything like the Terrano motor then it cannot be dismantled, but I am sure Patrol owner will be along soon but Friday night is not a good night for replies, Rick

Jikarti · 25-11-2017, 12:15

Thanks for that. I did remove the glove box and disconnect the resistor to clean the contacts, and all the other switches there. Gave the fan housing a gentle tap and it works. So I think you a re right with sticky brushes. Regards

24-11-2017, 14:38	#1
Jikarti Junior Member Join Date: Nov 2017 Location: South west Vehicle: Nissan Patrol 2.8TD GR Posts: 4	intermittent heater fan Hi, this is my first post on this forum so Hello! I have a 1999 Nissan Patrol 2.8TD GR in very good condition with only 91000 miles from new, a very full detailed service history and I am the second owner. All good so far. The only problem is the heater fan which from time to time in all weather, ceases to work. It then restarts, one day later or two weeks later with no obvious cause. Sometimes it will run for a few months and then stop. I have removed the cover from the fan housing and the fan is very clean. Does anyone have any ideas please?

24-11-2017, 22:42	#2
solarman216 Off road maniac Join Date: Dec 2009 Location: Bexhill on Sea Vehicle: Y60 Patrol Me, 3 ltr Mrs Posts: 17,430	Hi and welcome, I have no specific knowledge on the Patrol, but I would guess the brushes are sticky from your description, if it is anything like the Terrano motor then it cannot be dismantled, but I am sure Patrol owner will be along soon but Friday night is not a good night for replies, Rick __________________ Ex banger racer now off road maniac Lokka on the front with manual hubs Diff lock on rear 3 inch SS straight through exhaust Manly winch bumper with 13000 lb winch 10 spike ground anchor, with multiple straps and blocks Super strong body cills capped with scaffold pole 20% stronger springs all round aggressive off road tyres on wheels so just swap. Aim to get stuck and be completely self sufficient in extraction, love getting muddy, 2ft deep is good but rare.

25-11-2017, 12:15	#3
Jikarti Junior Member Join Date: Nov 2017 Location: South west Vehicle: Nissan Patrol 2.8TD GR Posts: 4	Thanks for that. I did remove the glove box and disconnect the resistor to clean the contacts, and all the other switches there. Gave the fan housing a gentle tap and it works. So I think you a re right with sticky brushes. Regards