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 Posted: Wed Feb 05, 2014 3:41 am |
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Joined: Oct 23, 2010
Posts: 39
Trade Rating: 0
Location: Macclesfield
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Coming to the very end of my tether now! My car is over heating after only 10-15 mins driving in stop start traffic ie rush hour. Over the past few weeks the overheating us slowly but surely starting sooner. As soon as it hits just over 90 the stop sign kicks in and the fan starts. It then does this every 5ish mins throughout the rest of my journey.
Thing is when I'm driving a straight run down the motorway at 70 the temp stays right at the bottom, barely rises from 0!
Not sure if it's connected but I had a new radiator and fan put in a couple months back and this is when it started.
Also, my heater barely blows out any air, like the fans lost power, and it's always freezing cold, doesn't blow out hot air any more.
Could all this be connected? It's driving me insane!!!!
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Posted: Wed Feb 05, 2014 3:55 am |
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Joined: Feb 07, 2010
Posts: 3935
Trade Rating: +84
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Are you sure that the fan is working? Have you actually checked it when its got hot enough?
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Posted: Wed Feb 05, 2014 3:58 am |
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Joined: Oct 23, 2010
Posts: 39
Trade Rating: 0
Location: Macclesfield
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Erm well it always sounds like it's on?! Is there another easy way to check?!
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Posted: Wed Feb 05, 2014 4:02 am |
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Joined: Oct 23, 2010
Posts: 39
Trade Rating: 0
Location: Macclesfield
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Also if the fan wasn't actually working, surely the engine would also overheat when I'm driving fast for long periods on the motorway? It's only doing it when I'm in slow moving traffic or driving at 30
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Posted: Wed Feb 05, 2014 4:02 am |
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Joined: Jan 29, 2011
Posts: 6526
Trade Rating: +10
Location: Westhoughton, Lancashire
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Air lock in the cooling system.
| niki945 wrote: |
| Erm well it always sounds like it's on?! Is there another easy way to check?! |
Leave car idling until you hear what you think is the fan kick in, lift bonnet and have a look.
| niki945 wrote: |
| Also if the fan wasn't actually working, surely the engine would also overheat when I'm driving fast for long periods on the motorway? It's only doing it when I'm in slow moving traffic or driving at 30 |
The airflow through the radiator is enough to cool down the engine when you're moving. The fan is more likely to kick in at lower speeds or when stationary because of the lack of air movement through the radiator.
Why did you have the fan and rad replaced?
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Posted: Wed Feb 05, 2014 4:15 am |
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Joined: Oct 23, 2010
Posts: 39
Trade Rating: 0
Location: Macclesfield
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because I ran into the back of someone and bashed the front if my car up woops ha! It snapped the radiator pipe so had to have it all replaced! Bad times...
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Posted: Wed Feb 05, 2014 4:21 am |
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Joined: Oct 23, 2010
Posts: 39
Trade Rating: 0
Location: Macclesfield
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The temp shoots up within 10 mins of slow driving - the fan shouldn't need to kick in so soon anyway should it?
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Posted: Wed Feb 05, 2014 6:07 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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So you've done the obvious checks like check there is coolant in the car?
Don't trust the guage either. No coolant would result in a low temperature because the sensor is in air!
Could be a blocked or damaged radiator or the water pump not working.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Wed Feb 05, 2014 6:15 am |
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Joined: Oct 23, 2010
Posts: 39
Trade Rating: 0
Location: Macclesfield
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Yep! First thing I checked! Would a damaged radiator stop warm air fromn blowing through the air vents too? I think it is something with the radiator as it's funny it only started when it was replaced
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Posted: Wed Feb 05, 2014 6:43 am |
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Joined: Oct 23, 2010
Posts: 39
Trade Rating: 0
Location: Macclesfield
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And by guage do you mean the temp guage in the car?
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Posted: Wed Feb 05, 2014 7:33 am |
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Joined: Dec 03, 2012
Posts: 96
Trade Rating: 0
Location: Doncaster
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I would also check the cooling system is purged of any air, also that's there's nothing blocking the radiator.
Here's a guide on bleeding the cooling system:
www.206info.co.uk/Foru...56271.html
Regards, Richard.
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Posted: Wed Feb 05, 2014 2:27 pm |
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Joined: Feb 07, 2010
Posts: 4455
Trade Rating: +1
Location: Essex
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| niki945 wrote: |
| Not sure if it's connected but I had a new radiator and fan put in a couple months back and this is when it started. |
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Posted: Wed Feb 05, 2014 3:17 pm |
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Joined: Oct 23, 2010
Posts: 39
Trade Rating: 0
Location: Macclesfield
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Take something to get fixed and they flat it up more!!
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