Resistor pack - Replacing with proper valued ceramics. Including pictures! - Page 2 - MG-Rover.org Forums
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post #21 of 58 (permalink) Old 27-01-2013, 22:50
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I'll be needing one of these for my ZS.
Matt, are you likely to be at the next Meet? :P
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post #22 of 58 (permalink) Old 28-01-2013, 00:22 Thread Starter
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Quote:
Originally Posted by RicWin View Post
I'll be needing one of these for my ZS.
Matt, are you likely to be at the next Meet? :P
Probably not, but I'm local so can drop one off if needs be.
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post #23 of 58 (permalink) Old 28-01-2013, 09:32
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Quote:
Originally Posted by mattyprice4004 View Post
The answer is pretty simple:

- Speed one is the finest as it's resistance must be the greatest to produce the lowest fan speed. This fails the most.
- Speed two a bit thicker as it's resistance is a little less for a middling speed. This fails for the same reason as #1, however tends to last a bit longer.
- Speed 3 rarely fails as it's heavy gauge wire and doesn't have to drop a lot of power as heat. Still, I include it as I'd rather all 3 were changed.

It's not just the resistance causing failure of the slower speeds more frequently. The airflow passing through the fan is used to cool the resistors. The slower fan speeds dissipate more heat, but because the fan's going slower they actually get less airflow to cool them down as well.

I only started getting problems with my OEM resistors when I used slow fan speeds on high heat settings. Probably not a co-incidence...
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post #24 of 58 (permalink) Old 28-01-2013, 15:03 Thread Starter
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Quote:
Originally Posted by warwickswinger View Post
It's not just the resistance causing failure of the slower speeds more frequently. The airflow passing through the fan is used to cool the resistors. The slower fan speeds dissipate more heat, but because the fan's going slower they actually get less airflow to cool them down as well.

I only started getting problems with my OEM resistors when I used slow fan speeds on high heat settings. Probably not a co-incidence...
A very valid point - I overlooked that. Less airflow definitely won't help the issue!
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post #25 of 58 (permalink) Old 28-01-2013, 15:31
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Does it work for MG TF?

Hi, will this work with an MG TF?
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post #26 of 58 (permalink) Old 28-01-2013, 17:46
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My 25s fan has been playing up for a while, the fan will only sometimes work on speed 4, if you give the housing of the fan a "tap" it comes back on, and the fan speed seems to change, took it to a rover garage near me and he said it has the resistor mod done and its dangerous so he's disconnected it, said it needs a new fan now as the mod has melted the fan assembly.
Then he quoted me £450 to replace it, if I buy a new assembly and resistor pack from ebay etc will this sort the problem or could it be a wiring issue?
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post #27 of 58 (permalink) Old 28-01-2013, 19:03 Thread Starter
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Quote:
Originally Posted by brionymarples View Post
Hi, will this work with an MG TF?
Hi there, yes it will. Have sold a fair few to TF owners.

Quote:
Originally Posted by Rick420Di View Post
My 25s fan has been playing up for a while, the fan will only sometimes work on speed 4, if you give the housing of the fan a "tap" it comes back on, and the fan speed seems to change, took it to a rover garage near me and he said it has the resistor mod done and its dangerous so he's disconnected it, said it needs a new fan now as the mod has melted the fan assembly.
Then he quoted me £450 to replace it, if I buy a new assembly and resistor pack from ebay etc will this sort the problem or could it be a wiring issue?
I think it's just a duff fan in all honesty - unless someone's fitted resistors wrong there's not much that could do any damage.

Second hand fan and a resistor pack and you'll be sorted.
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post #28 of 58 (permalink) Old 28-01-2013, 21:50
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Cheers Matty, will get one from scrappys near me at the weekend and see what happens
Think I should have let him fix it for me? £450 sounds like a bargain!
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post #29 of 58 (permalink) Old 29-01-2013, 00:19 Thread Starter
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£450 to do the work? You can do it for a tenth of that!

Blower: http://www.ebay.co.uk/itm/ROVER-200-...item3f1f74a270

And you'll just need one of my resistor packs, or you can send me your pack for repair.

Changing is pretty easy, too.

Note: The fan above is for a 25, as per your information. You'll find one for a 400 at a similar price.

£20 for the parts, £5 for beer and £425 to spend on important stuff.
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post #30 of 58 (permalink) Old 29-01-2013, 12:29
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Hi there - I bought a 2002 Rover 25 before Christmas. At first only the 3 & 4 heating worked, then they packed up as well. Mechanic put in a new 'resistor' - but again, the heater seems to work sporadically. Does that mean the motor has gone?
The car only has 42000+ miles.
Any advice welcome
Kiki (female, old but not too dumb, new to Rover, new to English weather)
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post #31 of 58 (permalink) Old 29-01-2013, 19:06
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Hiya mate, Im in need of the ceramic heater resistors for my Rover 45, and wondered if you had any left? Can you let me know (if youve got any) what the procedure is?
Cheers
Chris
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post #32 of 58 (permalink) Old 31-01-2013, 11:45 Thread Starter
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Quote:
Originally Posted by Kikibluegirl View Post
Hi there - I bought a 2002 Rover 25 before Christmas. At first only the 3 & 4 heating worked, then they packed up as well. Mechanic put in a new 'resistor' - but again, the heater seems to work sporadically. Does that mean the motor has gone?
The car only has 42000+ miles.
Any advice welcome
Kiki (female, old but not too dumb, new to Rover, new to English weather)
It sounds like the fan blower is knackered, you can pick one up from eBay for about £15. Have a search for 'Rover 25 blower'.

Quote:
Originally Posted by chrisbill1959 View Post
Hiya mate, Im in need of the ceramic heater resistors for my Rover 45, and wondered if you had any left? Can you let me know (if youve got any) what the procedure is?
Cheers
Chris
I have indeed, simply send the amount in my signature for a Heater Resistor Repair pack to the PayPal address at the bottom of my signature.

Make sure you include your full address within the PayPal notes.

Thanks
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post #33 of 58 (permalink) Old 13-02-2013, 21:16
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mine has gone on my zs on 1 and two is there anything i have to do or do u just swap them over cheers matty as waant to get it done
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post #34 of 58 (permalink) Old 14-02-2013, 11:39
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Originally Posted by mattyprice4004 View Post

If you cover postage I'll also more than happily fit them for you to your existing pack.
is this offer still going as im cr#* with a soldering iron
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post #35 of 58 (permalink) Old 14-02-2013, 12:06 Thread Starter
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Quote:
Originally Posted by ozzyd79 View Post
mine has gone on my zs on 1 and two is there anything i have to do or do u just swap them over cheers matty as waant to get it done
Just swap them over - snip the old resistors off and solder the new ones in place. Full instructions provided.

Quote:
Originally Posted by hellkef View Post
is this offer still going as im cr#* with a soldering iron
I can indeed still repair existing packs - send the pack to me and I'll sort it out.

I'll do the replacement including Recorded delivery postage back to you for £7.99.
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post #36 of 58 (permalink) Old 14-02-2013, 22:48
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will pop down the scrap yard get a spare one atleast then i'll be able to still use one
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post #37 of 58 (permalink) Old 20-02-2013, 13:34
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[QUOTE=mattyprice4004;5327892]It sounds like the fan blower is knackered, you can pick one up from eBay for about £15. Have a search for 'Rover 25 blower'.

Thanks Matty.
Kiki
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post #38 of 58 (permalink) Old 20-02-2013, 14:37 Thread Starter
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Quote:
Originally Posted by hellkef View Post
will pop down the scrap yard get a spare one atleast then i'll be able to still use one
You can still use speed 4 with no pack fitted.
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post #39 of 58 (permalink) Old 20-02-2013, 14:43 Thread Starter
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[QUOTE=Kikibluegirl;5350756]
Quote:
Originally Posted by mattyprice4004 View Post
It sounds like the fan blower is knackered, you can pick one up from eBay for about £15. Have a search for 'Rover 25 blower'.

Thanks Matty.
Kiki
No worries at all.
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post #40 of 58 (permalink) Old 16-03-2013, 13:29
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So I've tried to get the old fan out but I seem to be having trouble. Any idea how they come out. Does the fan come out on its own? There doesn't seem to be enough room under it to get it out
Thanks
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