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XE running temps

2K views 27 replies 9 participants last post by  ismasl 
#1 ·
I did a water pump on my astra on Fri, which has brought my running temps down a fair bit! So now it's got me thinking, what is the running temps on XE's for:

Motorway:
Around town:
In Traffic:

Mine is;
92-95 C
95-98 C
100+ C
What is worrying me is the 100+ i know XE's run hot but that is too hot???
I'm prob going to buy all new sensors today as i know these go pop regulary and there not too many pennies.
 
#5 ·
Out of interest, what type of impeller was on the pump you took off and what type was on the pump you put on? There are 2 types of impellers, one type has the blades cast into them and the other is done by cutting and folding the sheet of metal to form the blades. The type with the blades cast into it is the better type. Maybe you relaced the cut/folded type with a cast version and that's why it's running a bit cooler.
 
#9 ·
Motorway:
Around town:
In Traffic:

Mine is;
78-86 C
82-90 C
82-94 C the fan is go on and the temperature is go from 82 C to 94 C and then again to 82 C
 
#11 ·
spanishfly said:
I suppose in Greece you run a different stat? due to the hotter climate?
Propably yes.
The engine I have was from a calibra 16v in italy. The italy have the same climate with us.
But again I think that your engine run very hot. You must check it. Change the thermostat, and the fan swithch.
 
#14 ·
It is not bad the engine to run more cool. The best performance on a c20xe succed from 80c to 90c. Also you don't worry to have a failure head gasket.
And also you the car have less chances to missfiring.
 
#15 ·
I admit it isn't bad for an engine to run cooler. I like heating though especially for our winters:) I've not heard good things from people who have used the cool stat! They have mostly been removed and replaced with standard ones, i also admit after sitting in traffic for a bit according to Tech 1 my intake air temp rises by about 3C which is quite alot, that with a standard air box and a air intake pipe coming from the front bumper. In my opinion though as long as no one says it should never get to 100C i'm reluctant to start spending money on sensors, i may change the temp sensor for the clocks which may give a bit more accurate reading!
 
#18 ·
spanishfly said:
P.S: i though the best running temperature for any engine was between 90 and 95C which is were the fuel is most effieciently burnt?
The Graham Bell's book second edition four stroke performance engine tuning says that the best temprrature for a race engine is from 72 C to 85 C!
 
#19 ·
alex new said:
The Graham Bell's book second edition four stroke performance engine tuning says that the best temprrature for a race engine is from 72 C to 85 C!
Thats a race engine though buddy, not to be confused with a road engine!!!!! Road engine's have to be set up to run efficiently with minimum amount of polution!!!! I wouldn't like my road engine running that cool, plus the oil wouldn't get up to temperature either. On a race engine were there going to be rebuilt regular it wouldn't be bad, i want my engine to last 100k at least!
 
#20 ·
spanishfly said:
Thats a race engine though buddy, not to be confused with a road engine!!!!! Road engine's have to be set up to run efficiently with minimum amount of polution!!!! I wouldn't like my road engine running that cool, plus the oil wouldn't get up to temperature either. On a race engine were there going to be rebuilt regular it wouldn't be bad, i want my engine to last 100k at least!
So thats I told you to run from 80 C to 90 C. The 72 C is very extreme. Also a lot of persons with throttle bodies run at this temperatures at this forum.
 
#22 ·
Note this:

From Opel TIS (or vauxhall).

termostat starts open at 92ºC (starts) and open at all at 107ºC

termoelectric swich (for the fan, of course) close at 100ºC and open (from close) at 95.


My kadett C20NE works the same way you told in your first post. It have new termostat and new termoelectric swich, even the dash panel indicator and sonde its new ( all from Opel).

If you change your water punp maybe you incrise the amount of water runing throgh the sistem, so it works better.
 
#26 ·
well i got the same query sorry to steal away in your thread, on my clocks (in my corsa B) i am running a 20XE and recntly i noticed its been getting hot really fast. The fan kicks in at 95 temp drops then risines again in no time :( does go above 95 though

just worried about it rising so quickly even when driving around, changed the thermostst just unsure what it could be or is it jst the warm summer?
 
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