!!!!!!!!!!!!!!!!Overheating!!!!!!!!!!!!!!!!!!

Started by Rixio, August 01, 2006, 07:08:19 PM

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kev-yorks

Been having a reread through this Rixio and the brown sludge thing would make me think along the lines of a blocked rad and you\'ve disturbed some of the crap when trying to flush it. If its properly blocked then your looking at a recore or swap the rad as when there blocked you never really clear them 100%.
Kevin
Regards Kevin

Rixio

Quote from: Red and SingleThis could be your problem or part of it, the fans have 4 speeds normally...maybe yours are running at the lowest speed which is insufficient to cope with high temps and traffic.

Get them checked out mate :cheers


It just started all of a sudden though & if it was the fan speed that was slow wouldnt it have overheated 6 months ago rather than just out of the blue??:confused:

Kev its not actually sludge it was rust in the water, atm im only using water because if i was using coolant it would have cost me £200 odd by now! I spent £40ish just on coolant when this first showed its ugly head!!!

Smifta

If you want to replace the rad anyway, I have a stock one I\'ve *just* taken out... I wouldn\'t want much for it to a forum buddy.
310 atw. Stock twins. Mazdaspeed GT-Concept.

shaunwil

Could be worth it, at least you could have the rad flow tested and then reinstalled !

Shaun
1994 White FD with A-spec GT3574R - 358bhp at the hubs at 0.9bar :3gears-lh
2003 Mondeo 2lt 130ps Diesel Estate Daily :driving

Rixio

Jetpilot has offered me one if i pay postage but thanks anyway Smifta

Red and Single

Quote from: RixioIt just started all of a sudden though & if it was the fan speed that was slow wouldnt it have overheated 6 months ago rather than just out of the blue??:confused:

Maybe it\'s happenned since you fitted the PFC ??

I\'d get an autoelectrician onto those fans mate if I was you !!
Dave Hughes
13.352 @ 109.03mph (running 0.75 bar  :rollin )
Red \'95 Type R T04S & Bare Arsed  :chat

Rixio

PFC been fitted since it was built last year...bro is a sparky and he cant find anything amiss (sp)

Red and Single

OK fair enough, just seems fishy that someones wired the fans to come on all the time in the past, hints at past cooling problems dont it.

I\'m at the limit of my knowledge and cant offer you any more help, are you sure the fans are working as they should though, I\'m sure there are 4 speeds and if they aren\'t kicking in at full speed, it would give you the exact symptoms you have, ie fine when moving but overheating in traffic.

Good Luck bud, hope you sort her out :cheers
Dave Hughes
13.352 @ 109.03mph (running 0.75 bar  :rollin )
Red \'95 Type R T04S & Bare Arsed  :chat

Rixio


nikp

What exactly do you mean by \'overheating\'? More than 110 degress on the coolant? Water being pushed out the overflow tank? Steam?

Rixio

Yep...more than 110\'c water being shot out of the expansion, the AST making a sshtpph noise and a stiff rad pipe under the main filler neck...

Rixio

Does anybody have the part numbers for the engine coolant pipes...not the fat rad ones just the little thin ones...

1-The Throttle body one
2-The Turbo ones
3-The AST ones

Thanks

Rixio

shaunwil

Hope this helps............

Shaun
1994 White FD with A-spec GT3574R - 358bhp at the hubs at 0.9bar :3gears-lh
2003 Mondeo 2lt 130ps Diesel Estate Daily :driving

Rixio

Shaun your a star...tried ringing you yesterday but no answer...will ring later tonight :)

Jonathan_F

I like the Archbishop himsielfs sugestion. Crack or split in the expansion hose and it will force water out never to reture. Only needs a small hole. This will then overflow from the expansion tank. Are you topping up with antifreeze each time.

I think its water seals though. Sorry mate. Perhaps they were fried the first time it overheated. Happened to me. Only have to cook it once.

Jon