08-11-2014, 04:12 PM
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#1
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,797
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another coolant thread
This must be coolant week
I noticed that my coolant was slightly below the min mark and added about 1 cup (8oz) of distilled water which brought it to just below the MAX mark.
When I bought the car in mid march and 5000 miles ago it was at MAX.
I drove around a bit today and looked and saw no change to the coolant level in the tank. Checked under the car and its bone dry in the back, just a little water in the front from the AC. Trunk is bone dry as well. Coolant cap is latest version
Is it normal to have to add a little to the coolant tank every now and then, or do I have something to worry about?
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2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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08-11-2014, 04:31 PM
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#2
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Registered User
Join Date: Jul 2014
Location: Tacoma
Posts: 429
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1 cup in 5,000 miles? Sounds like a winner to me.
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08-11-2014, 04:31 PM
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#3
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,432
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I'm gonna vote in a closed system, that fluid had to go somewhere. When I swapped my WP I saw it had leaked enough to make a fluid line as the pulley spun, but never leaked a drop to the floor.
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'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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08-11-2014, 04:34 PM
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#4
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,797
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Quote:
Originally Posted by Timco
I'm gonna vote in a closed system, that fluid had to go somewhere. When I swapped my WP I saw it had leaked enough to make a fluid line as the pulley spun, but never leaked a drop to the floor.
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I tend to agree with you , it had to go somewhere ???
Just replaced the serp belt a could of weeks ago and everything looked and felt fine. Also sent an oil sample to Blackstone and no water or antifreeze in the oil. In fact they said my oil was very good
Ill pull the cover and check the WP just in case
__________________
2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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08-11-2014, 04:36 PM
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#5
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,432
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Quote:
Originally Posted by JayG
I tend to agree with you , it had to go somewhere ???
Just replaced the serp belt a could of weeks ago and everything looked and felt fine. Also sent an oil sample to Blackstone and no water or antifreeze in the oil. In fact they said my oil was very good
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If tank or cap you would have condensation. Wet trunk liner?
These issues are really agro.
__________________
'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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08-11-2014, 04:38 PM
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#6
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,797
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Quote:
Originally Posted by Timco
If tank or cap you would have condensation. Wet trunk liner?
These issues are really agro.
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trunk, liner and carpet bone dry and no sign of coolant
no condensation
Looked at the area around the tank as well and looks factory new
__________________
2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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08-11-2014, 05:02 PM
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#7
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Registered User
Join Date: May 2011
Location: Greensboro, NC
Posts: 245
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I would venture to say it could be a water pump seeping. My mechanic said to not change the belt unless it looks ready to change. On older higher mileage cars it can lead to water pump failure because of the added tention a new belt will put on the pump. Just my 2 cents worth.
Quote:
Originally Posted by JayG
trunk, liner and carpet bone dry and no sign of coolant
no condensation
Looked at the area around the tank as well and looks factory new
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2000 Boxster - Loved and sold
1999 911 Cabriolet - Also loved and sold.
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08-11-2014, 05:27 PM
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#8
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Registered User
Join Date: Nov 2009
Location: Winnipeg MB
Posts: 2,485
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Quote:
Originally Posted by fullthrottle52
I would venture to say it could be a water pump seeping. My mechanic said to not change the belt unless it looks ready to change. On older higher mileage cars it can lead to water pump failure because of the added tention a new belt will put on the pump. Just my 2 cents worth.
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The tension on the belt is applied by the tensioner pulley and shouldn't have anything to do with the age of the belt. I really fail to see how a new belt would increase the load on the water pump.
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'99 black 986
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08-11-2014, 05:39 PM
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#9
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I am my own mechanic....
Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,432
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Quote:
Originally Posted by Mark_T
The tension on the belt is applied by the tensioner pulley and shouldn't have anything to do with the age of the belt. I really fail to see how a new belt would increase the load on the water pump.
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Unless it was slipping, no change regardless of length. Tensioner is still the same and relatively equal throughout its range of motion. A UD pulley would change the speed of the pump but wouldn't change the load on it.
Only thicker fluid or some restrictive change would add load.
__________________
'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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08-14-2014, 08:58 AM
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#10
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,797
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Weird
Today I checked the coolant tank and it is higher that when I added the water
I added the water with engine dead cold and checked in same condition
I gained coolant????
__________________
2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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08-14-2014, 09:22 AM
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#11
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Registered User
Join Date: Nov 2009
Location: Winnipeg MB
Posts: 2,485
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The coolant gnomes are messing with you.
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'99 black 986
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