Here's the culprit.

Release the connector, it's quite tight.

Move the cable aside, to allow access to the securing screws.

Undo the two screws, a stubby cross-head screwdriver is best for this, as the dash moulding gets in the way.

 

Hi I have a 05 45 facelift model.this has a/c. have done all this but no resistor. it has small rods there. have removed it ,this has stopped the blower being on all the time. but is this the culpret, it says DIAVIA 133000/3 ON IT, CAN YOU HELP

 

Carefully remove the resistor

The fault is plain to see.

Refitment is a simple reversal of the above process.

 

First time I've logged into this site and you've inspired me to have ago at the heater fan fix, good photo's and instructions cheers Dr Dave

 

This is quite handy as my heater has just packed up and only works on 3 and 4 not 1 or 2, do you have any handy parts numbers so i can go buy the right part? Also how much is a new one?

 

Rover 400 Heater Resistor prices and Vendor.



If you go to www.rezpax.com they sell you the resistors to replace them yourself, or you can send them your broken unit and they will fix it and send it back to you the same day! They have either the open coil (like the originals) which have been made to be less brittle. You can also buy ceramic resistors here. To buy and fix the open coil resistors yourself will cost you £5.89p + 69p p&p. To send your broken unit to be fixed and sent back the same day will cost £10.20p + £1.49p p&p. If you order this part complete from rover-link it will cost you £47.00! So it's worth visiting rezpax! The open coil resistor part number is Rezpax OCR001. I hope that this helps.

 

hehehe I couldnt find the bolts when I did mine, and it was a rainy day, so ended up sitting in the seat unside down, and tried to look under it whilst unbolting it, god it killed my back lol

 

i dont know the part number sorry but i got one a few weeks ago and it was about £26 or £27 if i recall correctly!

 

i dont know the part number sorry but i got one a few weeks ago and it was about £26 or £27 if i recall correctly!

For some bizarre reason i thought id read this thread and i stared in disbelief that somone would pay this amount of money for something you could nick from a scrapyard!
When mine packed up I got 3 good working resistor packs for a fiver!!!!!!!!
That was 2 years ago and I'm still on the first one!

 

Excellent illustrations Major - Thank you.

As it happens, one by one the five speeds on my 1985 Montego Turbo's heater fan packed up this winter. Speed number 4 the last to do so. I know access means complete removal of the whole fascia which is about half an hours work. Having done that, as I'm handy with the soldering iron I now wonder is there a relatively easy resistor fix or do I wait for one to turn up in a local breakers and get that?

Any advice here appreciated.

 

I remember replacing those resistors years ago! Split the heater box itself to replace it!


Not sure about any workarounds though, John.

 

Dont suppose someone could help me with the same problem on a 214si. only works at 3 and 4 in SO's car and it is very annoying as 3 and 4 are quite loud!

cheers and happy New Year

 

Noisy heater

Dont suppose someone could help me with the same problem on a 214si. only works at 3 and 4 in SO's car and it is very annoying as 3 and 4 are quite loud!

cheers and happy New Year

I have just replaced the resistors on my 400. My heater was also noisy on 3 and 4. I undid the 3 phillips screws that hold the heater motor in place (these are under the heater). I found that the fan was full on leaves! I removed the leaves and now the heater is silent and twice as powerful. For the resistors and instructions go to www.rezpax.com. They only cost £5.89 + 69p P&P. I hope this helps you mate, HAPPY NEW YEAR.

 

Well done Major!


Broon, the procedure is the same for the 200 series.

sjc59, here are the part numbers.......

200 series.......... JGM10002

400 series.......... JGM100050

 

Well done Major!


Broon, the procedure is the same for the 200 series.

sjc59, here are the part numbers.......

200 series.......... JGM10002

400 series.......... JGM100050

New part number for 200 series.......... JGH10002

Perhaps a similar change for the 400 version.

Thanks to Dr. Dave - I followed your pictures and all sorted.

New part seems more robust than before. I'll consider the 10W wire wound resistors next time - paid £36.73 (inclusive) for genuine MG Rover part.

Can't believe I paid over £70 ex VAT two years back to have the dealer replace it when it's a 5 minute job (includes the two minutes to get the tools from the boot! ) I recommend using a small 8mm socket or a nut driver as a ring spanner can get a bit fiddly...

 

I remember replacing those resistors years ago! Split the heater box itself to replace it!


Not sure about any workarounds though, John.

Cool thread Major! :bgrin2:

Everytime I see one of the resistor packs I think they look really primitive, with just the bendy metal on there to increase resistance. Now as you've probably gathered I know very little about electrics etc but surely something a bit more hi-tech can be thought up, maybe using proper resistors or something? Maybe a good mod?? Do the new rovers like the 45/75 use this style resistor pack?

Also, would resoldering the 'springs' fix a blown one?

 

Cheers for the info, now I just need a dry weekend to have a bash at it.

Broon

 

Also, would resoldering the 'springs' fix a blown one?

Yes, probably but the solder would melt fairly quickly as the coil heats up. Thought about doing it on this one, but thought better of it.

 

Cheers guys gonna go order me one 2moro and give it a go. I agree they must be a better modern option to fix this.

 

mine had the same problem, not working in positions 1 and 2. I went yesterday to a scrap and got one for £3, yes three poonds.

it was raining heavily... i thought about doing it in a sunny day..but i might be waiting for a long time , especially in Glasgow!!

 

I had to sort this problem on a mates 200 today, rather than buying a new resistor pack I decided to replace the resistors using standard ceramic resistors. I had already done this on my own car a while ago.
More details to follow, Dave I used some of your pics in the tutorial I made up.

 

I had to sort this problem on a mates 200 today, rather than buying a new resistor pack I decided to replace the resistors. I had already done this on my own car a while ago.....this time I took some piccies and have done a tutorial.

Just opened downloaded file.......... something to keep........... Brilliant!!

 

No problem Paul, good stuff!

 

v good thread u knw ure stuff fair play any chance u cd sumt info for a 218 is air con as mine only works on 3 n 4 lol. we prob wil av a poo summer as usual so we wil all need our trusty heaters eh

 

Thats brilliant, Paul - any plans on selling them ?

Mine is stuffed on setting number one at the moment, once number 2 goes i'll use your mod!!

Thanks..

 

Stupid question time, any need to disconnect the battery to do this?

 

Not really, there is no power at the resistor pack connector as long as the ignition is in the off position.

 

Not really, there is no power at the resistor pack connector as long as the ignition is in the off position.

And there's no other live systems round there? I suppose it wouldn't matter anyway, apart from the ignition system everything else is low voltage right?

 

I had to sort this problem on a mates 200 today, rather than buying a new resistor pack I decided to replace the resistors. I had already done this on my own car a while ago.....
It can be downloaded here.

Hi Paul

My heater pack has failed and i'm going to follow your tutorial but i'm stuck already LOL.

 

To me the same problem with the fan. Question: Does all the same resistor you connect? I, II, III positions, one 1.5 ohm 10W resistance? As far as I understand forum talked of the need for connection lygegrečiai two resistor that to get a higher power 14W. Originally resistance should be 0,27 - 0.75 to 1.48 ohms.

Hi Paul

My heater pack has failed and i'm going to follow your tutorial but i'm stuck already LOL.

 

Sorry....might not be too clear...

you will need a total of 3 resistors.....I gave four alternative part numbers..

so 3 of the first....Maplin H1R....OR 3 of Farnell 3270555 OR etc...etc.

you dont need one of each!

I have sent you a PM which might help.....

***The resistor values have been superceeded by ones closer to the manufacturers original values, please see posts further in this thread.***

 

Sorry....might not be too clear...

you will need a total of 3 resistors.....I gave four alternative part numbers..

so 3 of the first....Maplin H1R....OR 3 of Farnell 3270555 OR etc...etc.

you dont need one of each!

I have sent you a PM which might help.....

Ahhh - thats me being thick more than you not being clear.. I didn't even notice that there were only 3 resistors in the pic! doh..

 

Great British engineering.
Shanghai Automotive must be dying to get their hands on this.. :lol:

--Alan

 

Yay!!!!! All my heater settings work now!!

Thanks Paul!! :rocker: A well worthwhile 'mod'!

My handiwork ain't too pretty, but it works!!!

cheers
Mike