Does your X overheat? Or should it?

Does your X overheat? Or should it?

htf
Joined: May 5th, 2001, 4:29 pm

July 22nd, 2008, 2:25 am #1

Mine started to act up. It is a hot season over here, around 90F (34C).
My X would go up to 190F and stay there as long as I was traveling below 100 Km/h. As soon as I got to 120 the needle started to climb up, and up to boiling.
I had my radiator cored some 10K miles ago in Vegas and I assumed it is clean.
But after checking my ignition timing and fans I came to the conclusion it is the radiator again.
So off it went to the rad shop and while it was out I flashed the whole system too.
To make a long story... it was the radiator. The needle now stays at 190 or below under all conditions, with and w/o the AC. I just can't get it to overheat.
The conclusion - an X with a clean cooling system never heats up.
Thanks for listening


HaXD
Herzel, in Israel

WhiteX
The late Green '85 X1/9
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Joined: June 15th, 2008, 8:54 pm

July 22nd, 2008, 2:29 am #2

Same for me. I cleaned out my radiator this weekend and the car is MUCH happier. I wish it was only 90F here though.

South Texas is not fun in summer.
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Jeff Ballard
Jeff Ballard

July 22nd, 2008, 2:51 am #3

Mine started to act up. It is a hot season over here, around 90F (34C).
My X would go up to 190F and stay there as long as I was traveling below 100 Km/h. As soon as I got to 120 the needle started to climb up, and up to boiling.
I had my radiator cored some 10K miles ago in Vegas and I assumed it is clean.
But after checking my ignition timing and fans I came to the conclusion it is the radiator again.
So off it went to the rad shop and while it was out I flashed the whole system too.
To make a long story... it was the radiator. The needle now stays at 190 or below under all conditions, with and w/o the AC. I just can't get it to overheat.
The conclusion - an X with a clean cooling system never heats up.
Thanks for listening


HaXD
Herzel, in Israel

WhiteX
The late Green '85 X1/9
But I suspect the water pump ... will be replacing this repair cycle.


Jeff
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Joined: August 29th, 2005, 4:22 am

July 22nd, 2008, 3:11 am #4

Mine started to act up. It is a hot season over here, around 90F (34C).
My X would go up to 190F and stay there as long as I was traveling below 100 Km/h. As soon as I got to 120 the needle started to climb up, and up to boiling.
I had my radiator cored some 10K miles ago in Vegas and I assumed it is clean.
But after checking my ignition timing and fans I came to the conclusion it is the radiator again.
So off it went to the rad shop and while it was out I flashed the whole system too.
To make a long story... it was the radiator. The needle now stays at 190 or below under all conditions, with and w/o the AC. I just can't get it to overheat.
The conclusion - an X with a clean cooling system never heats up.
Thanks for listening


HaXD
Herzel, in Israel

WhiteX
The late Green '85 X1/9
An intact, clean cooling system is not going to overheat under normal conditions. Normal conditions for me include spirited driving, extended idling, A/C use and stop and go traffic at times.

Abnormal conditions include bonsai runs to and from the NAPA in Ashland from the Howard Prairie Lake Resort, site of Mirafiori.com's Oregon'08. The road is twisty, with some turns requiring downshifting to 3rd or 2nd and 80-treadwear tires to stay on the pavement. Included is a generous altitude change and some areas of very steep grade, often combined with the twisties. Zipping up this road in 100ºF weather will get the X to run hot, but it will not overheat.

Abnormal conditions also include 72.xx second runs around the kart track in Medford, OR, where the racers and other participants thrash their cars around a closed circuit against the clock. My times were not fast enough to qualify, but it qualifies for a really fun morning! Still no overheating.

If your X does overheat, check the basics; cap seals, coolant mix, tight belt, no leaks. If those requirements are met, look deeper for worn pump impellor and clogged radiator. The X radiator, being so removed from the pump, is prone to sedimentation that can clog the bottom, and scaling from phosphates and other contaminants that will clog the upper tubes.

I recommend periodic flushing via the large hoses to and from the radiator to get around a closed thermostat, and use of phosphate-free propylene glycol antifreeze like Sierra®.

Gregory Smith

'87 Bertone X1/9 Corsa
'88 VW Vanagon
Olympia, Washington, USA
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Joined: October 15th, 2007, 3:50 am

July 22nd, 2008, 3:14 am #5

Mine started to act up. It is a hot season over here, around 90F (34C).
My X would go up to 190F and stay there as long as I was traveling below 100 Km/h. As soon as I got to 120 the needle started to climb up, and up to boiling.
I had my radiator cored some 10K miles ago in Vegas and I assumed it is clean.
But after checking my ignition timing and fans I came to the conclusion it is the radiator again.
So off it went to the rad shop and while it was out I flashed the whole system too.
To make a long story... it was the radiator. The needle now stays at 190 or below under all conditions, with and w/o the AC. I just can't get it to overheat.
The conclusion - an X with a clean cooling system never heats up.
Thanks for listening


HaXD
Herzel, in Israel

WhiteX
The late Green '85 X1/9
A stock X should never over heat even when temps goes over 100 degrees F. Bertone spent a lot of time working on the cooling system trying to get it right and they basically did. This was part of what they learned from designing the Lambo Mirua.

It the X does have cooling problem, there is something wrong there and needs to be corrected be it radiator, water pump, coolant pipes, coolant leaks, coolant blockages or etc.

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Bob Sadowski
Bob Sadowski

July 22nd, 2008, 9:56 am #6

Mine started to act up. It is a hot season over here, around 90F (34C).
My X would go up to 190F and stay there as long as I was traveling below 100 Km/h. As soon as I got to 120 the needle started to climb up, and up to boiling.
I had my radiator cored some 10K miles ago in Vegas and I assumed it is clean.
But after checking my ignition timing and fans I came to the conclusion it is the radiator again.
So off it went to the rad shop and while it was out I flashed the whole system too.
To make a long story... it was the radiator. The needle now stays at 190 or below under all conditions, with and w/o the AC. I just can't get it to overheat.
The conclusion - an X with a clean cooling system never heats up.
Thanks for listening


HaXD
Herzel, in Israel

WhiteX
The late Green '85 X1/9
When it came time for me to replace the coolant tubes on my 74 I used slightly larger aluminum tubing. Also I switched to a 160 degree thermostat. But the biggest improvement was to clean out the side air intakes and remove the middle insert on the engine cover and per the list suggestion. This alone has lowered the temp 10 degrees. I just drove for an hour at 90 degrees outside temp and the guage never got above 185. The 160 degree thermostat may not be a good idea in some climates because on a cool day the gauge will not get above 175.
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Joined: December 3rd, 2003, 2:56 am

July 22nd, 2008, 11:57 am #7

Mine started to act up. It is a hot season over here, around 90F (34C).
My X would go up to 190F and stay there as long as I was traveling below 100 Km/h. As soon as I got to 120 the needle started to climb up, and up to boiling.
I had my radiator cored some 10K miles ago in Vegas and I assumed it is clean.
But after checking my ignition timing and fans I came to the conclusion it is the radiator again.
So off it went to the rad shop and while it was out I flashed the whole system too.
To make a long story... it was the radiator. The needle now stays at 190 or below under all conditions, with and w/o the AC. I just can't get it to overheat.
The conclusion - an X with a clean cooling system never heats up.
Thanks for listening


HaXD
Herzel, in Israel

WhiteX
The late Green '85 X1/9
100%!

Chris A
(AKA fartracer)
Melbourne, Australia
'79 X1/9
'89 Alfa 164
'99 Lada Niva (4WD Fiat 124!!??)
'87 Croma
'72 130 Saloon
'76 128 3p
'85 Regata
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Joined: December 21st, 2004, 3:04 am

July 22nd, 2008, 5:21 pm #8

Mine started to act up. It is a hot season over here, around 90F (34C).
My X would go up to 190F and stay there as long as I was traveling below 100 Km/h. As soon as I got to 120 the needle started to climb up, and up to boiling.
I had my radiator cored some 10K miles ago in Vegas and I assumed it is clean.
But after checking my ignition timing and fans I came to the conclusion it is the radiator again.
So off it went to the rad shop and while it was out I flashed the whole system too.
To make a long story... it was the radiator. The needle now stays at 190 or below under all conditions, with and w/o the AC. I just can't get it to overheat.
The conclusion - an X with a clean cooling system never heats up.
Thanks for listening


HaXD
Herzel, in Israel

WhiteX
The late Green '85 X1/9
I commented that it appears the 100 degrees in the New England area is not the same as 100 degrees in the Southwest.  HA!

Sounds ludicrous... but there may be another point, and maybe someone else can comment.  I really know nothing about the NE area when it reaches temps like that, but I do know around here... it gets to be 105 in the summer months for quite some time.  Last few years as high as 113 at my house.

I have thought of possibly ONE difference though...  It gets up to 100 or so by 10AM in the morning... and the greatest amount of heat coming into the house is about  5PM with sunsets around 8PM.  Most of the time... it does indeed cool down into the mid 70s around 10 or 11 pm though.

Does it get that hot and stay that hot in the NE?  Or in Israel???

I'm wondering, if the DURATION and the reflection of heat in the asphalt has something to do with overall temps?

Anyway...  Glad you got yours cured...

Are ya gonna HOT ROD that A/C unit of yours now?  And what about some more fotos!


My best,



Tony
Black Tooth and me... since 1983!
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htf
Joined: May 5th, 2001, 4:29 pm

July 22nd, 2008, 6:12 pm #9

Firstly' in order to qualify this post here I'll re-title it:
Talking about weather for X owners.....
We do not get it in the 100s.
Today was hot. I just looked at the weather report and it was 29C during the day and 22C at night with 70% R Humidity. I live near the sea so I have a great breeze up to 11 AM and then again at about 6 PM. later the air is stagnant, still, and the house is unbearable. about 11 at night an easterly (desert) breeze comes in and I thing it is much cooler then it says in the weather report. I guess it is about 19 C and I have to pull up a blanket.
Basically, most people complain but I don't care. I love the summer.
About the AC, on long drives I have to shut it down every so often as it gets too cold and hate to run the AC + heater at the same time.
So, let's stay cool...


HaXD
Herzel, in Israel

WhiteX
The late Green '85 X1/9
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Joined: August 6th, 2006, 5:36 pm

July 22nd, 2008, 11:50 pm #10

When it came time for me to replace the coolant tubes on my 74 I used slightly larger aluminum tubing. Also I switched to a 160 degree thermostat. But the biggest improvement was to clean out the side air intakes and remove the middle insert on the engine cover and per the list suggestion. This alone has lowered the temp 10 degrees. I just drove for an hour at 90 degrees outside temp and the guage never got above 185. The 160 degree thermostat may not be a good idea in some climates because on a cool day the gauge will not get above 175.
Bob,
Please tell me where you bought your 160 degree thermostat. I have an '87,X and would like to put one in it.
Thanks,
ED

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