Engine Overheating - Corsa Sport - for Vauxhall and Opel Corsa B, Corsa C and Corsa D

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paddy.corsa

Member

Registered: 1st Jul 02
Location: North East (Middlesbrough)
User status: Offline

23rd Jul 03 at 16:09

My engine seems to be over heating, even on quite short journeys. Does anyone what causes this and if there is a way in stopping it as its starting to do me head in!!!

stuyw

Member

Registered: 15th May 02
Location: North West Drives: Rev3 MR2 Turbo
User status: Offline

23rd Jul 03 at 16:28

check thermostat. does fan come on??

paddy.corsa

Member

Registered: 1st Jul 02
Location: North East (Middlesbrough)
User status: Offline

23rd Jul 03 at 16:37

yes fans kicking in. Thats what i dont understand, is it true that 1.6 radiators are the same as the 1.2's. Ive just done an engine swao but still have the original radiator in, is it too small?

stuyw

Member

Registered: 15th May 02
Location: North West Drives: Rev3 MR2 Turbo
User status: Offline

23rd Jul 03 at 16:40

am sure the gsi radiator is bigger m8. how far does the temp gauge get to before fan kicks in?? having a smaller rad may be ur problem

paddy.corsa

Member

Registered: 1st Jul 02
Location: North East (Middlesbrough)
User status: Offline

23rd Jul 03 at 16:42

fans kicks in at about 100, i was told that this radiator should be able to do the job! Is there anything i can do for now until i have chance to go and buy one?

J da Silva

Member

Registered: 10th Apr 03
Location: The FACTory
User status: Offline

23rd Jul 03 at 17:08

ive had this problem in past,ignored it and blew the head gasket,n cylinder head, good that uve asked for help before it gets worse, probably your rad too small but also check everything, is fine around ya engine,rad coolant level,water levels,oil checks,water pump,oil pump and stuff like that,have a really good check round,n if your still stumped,then its probably the rad itself

Kenni

Member

Registered: 29th Jan 01
Location: Worcester(sauce) Drives: VX220 & Zaffy GSi
User status: Offline

23rd Jul 03 at 23:15

sports/gsi/sri rads are bigger than lesser models.

If the overheating problem is new (and dont forget your car will take longer to warm up in the winter than summer) then just putting a bigger radiator wont solve the problem, it will just suppress it. THe enigne is designed to run with that sized radiator, unless you have engine mods which will make it hotter.

Check if your rad or connecting hoses are
not blocked. Check whether the thermostat in the engine is opening properly.

Change of coolant sometimes help to cool things.

miles

Member

Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline

23rd Jul 03 at 23:21

I doubt its the rad. I know someone who runs a 1.2 rad with a 2.0 16v with zero problems.

I reckon you've got a block somewhere. Next time you drive it and it gets hot, get out and feel if the actual radiator is hot. If not then the thermostat isn't opening.

miles

Member

Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline

23rd Jul 03 at 23:23

I agree with kenni, a coolent flush and replacement would be a good start as well. Dont forget to use antifreeze because it keeps the water cooler in the summer as well....

Neshol

Member

Registered: 10th Jul 02
Location: Midlands
User status: Offline

23rd Jul 03 at 23:28

Ive got a 1.4 16v n my fan is always kicking in to cool the engine down, the temp just shoots up as soon as i aint movin. if im movin its ok obv, but if the engine is warm n i stop with engine runnin, fan is guaranteed to kick in after a cpl of mins.

Mark Petty

Member

Registered: 26th Jul 01
Location: Bournemouth Drives: Suzuki gsf600
User status: Offline

24th Jul 03 at 08:54

I have a 1.4 aswell and my car overheats really quickly and my fan turns on as soon as it nearly hits 100 c. It cools down to half way then it goes up again. I went to a garage and asked them why my car overheats so much and the bloke said its normal for corsas so don't worry about it.

Corsa^Dan

Member

Registered: 4th Dec 02
Location: Sleaford, Lincolnshire
User status: Offline

24th Jul 03 at 08:59

once mine starts too rise it goes quick.. mines 1.2 tho

corsaon18s

Member

Registered: 16th Jul 03
User status: Offline

24th Jul 03 at 09:03

I thought that was supposed to happen, the fan comes on when the thermostat opens when the water gets hot. whats wrong with that? if you dont got any coolant in the water as soon as it hits 100 it means the water is goin to boil (i got that from science in school) and with the way most of us drive its understandable that the car heats up quicky. bleed the system cos it may have air in it cos as soon as water boils it releases gases. fruckin hell dont i seem smart today, i think i better go and put my head in the freezer for a bit! toodle pip!

and-m

Member

Registered: 5th May 02
Location: Liverpool. Drives. Skud vRS.
User status: Offline

24th Jul 03 at 10:20

quote:
Originally posted by miles
I doubt its the rad. I know someone who runs a 1.2 rad with a 2.0 16v with zero problems.

I reckon you've got a block somewhere. Next time you drive it and it gets hot, get out and feel if the actual radiator is hot. If not then the thermostat isn't opening.

True but the fan switch is actually on the rad itself so it wouldnt be switching itself on if it wasnt getting hot.

Id do a full coolant flush though with the required level of anti freeze/summer coolant.

miles

Member

Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline

24th Jul 03 at 10:50

Oh yeah, In a pressurised system the boiling point will be raised.

Kenni

Member

Registered: 29th Jan 01
Location: Worcester(sauce) Drives: VX220 & Zaffy GSi
User status: Offline

24th Jul 03 at 11:22

Its the charactristics of most vauxhall engines. The temp rises quickly if stood idle for a few minutes. Aslong the fan kicks in at under 100c and the temp drops then everything is fine. Its hardly OVERHEATING unless the needle reaches the RED, then you worry.

Mark Petty

Member

Registered: 26th Jul 01
Location: Bournemouth Drives: Suzuki gsf600
User status: Offline

24th Jul 03 at 11:36

quote:
Originally posted by Kenni
Its the charactristics of most vauxhall engines. The temp rises quickly if stood idle for a few minutes. Aslong the fan kicks in at under 100c and the temp drops then everything is fine. Its hardly OVERHEATING unless the needle reaches the RED, then you worry.

Yeah this is true. As most corsa's run about 90c average. If it gets to 100c when the fans kick in this is only 10c more it isn't exactly much.

Mikorsa16v

Member

Registered: 2nd Sep 02
Location: Burgess Hill, West Sussex
User status: Offline

24th Jul 03 at 15:24

just looks a lot on the gauge

Black Corsa SRi

Member

Registered: 25th May 02
Location: ---Stockport---- Drives: Pug 206 Roland Garros
User status: Offline

24th Jul 03 at 15:25

quote:
Originally posted by Mark Petty

quote:
Originally posted by Kenni
Its the charactristics of most vauxhall engines. The temp rises quickly if stood idle for a few minutes. Aslong the fan kicks in at under 100c and the temp drops then everything is fine. Its hardly OVERHEATING unless the needle reaches the RED, then you worry.

Yeah this is true. As most corsa's run about 90c average. If it gets to 100c when the fans kick in this is only 10c more it isn't exactly much.

yeah its just everyone panics because of the design of a corsa temp gauge as the 90 which is normal is acutally in a postuiion where cold would be on most cars if u understand and cause it only stats mid range and has a range of 10 degrees it looks like temp goin up loads when its not really!

Oh and mines a 1.4 16v and warms up really quick when stood still it is just normal

J da Silva

Member

Registered: 10th Apr 03
Location: The FACTory
User status: Offline

24th Jul 03 at 16:23

quote:
Originally posted by miles
I doubt its the rad. I know someone who runs a 1.2 rad with a 2.0 16v with zero problems.

I reckon you've got a block somewhere. Next time you drive it and it gets hot, get out and feel if the actual radiator is hot. If not then the thermostat isn't opening.

thermostats fail open mate

miles

Member

Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline

24th Jul 03 at 21:10

Ok.

im sure some scenario could make one stick shut! lol

J da Silva

Member

Registered: 10th Apr 03
Location: The FACTory
User status: Offline

24th Jul 03 at 21:16

built to fail that way,good thinkin though

greycorsa

Member

Registered: 12th Jan 03
User status: Offline

24th Jul 03 at 21:21

disconnect the temperature needle

ainsley_brader

Member

Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
User status: Offline

24th Jul 03 at 22:04

thermostats fail shut a lot more often than they fail open!

M4tt

Member

Registered: 18th Apr 03
Location: Potters Bar
User status: Offline

24th Jul 03 at 22:05

mines a 1.4 16v and does it too... i know it's normal and that... but why does me car feel sluggish when it get's to 100c??

is it cause there is too much hot air being sucked into the engine, or is it designed to reduce power to stop it heating up?

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