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Author Punto coolant trouble
cunningham
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Registered: 25th May 05
Location: Lochore, Fife
User status: Offline
4th Aug 11 at 20:20   View User's Profile U2U Member Reply With Quote
The mrs punto's playing up 52 plate 1.2 8v when sitting in traffic the temp goesup pretty quick.
I've opened filler cap and bleed valve on radiator and ran car.
The radiator is also cold to touch like there's no flow through it.
Can anyone help with suggestions
Matty W
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Registered: 31st Jan 11
Location: Ashton-in-Makerfield, Greater Manchester
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4th Aug 11 at 20:27   View User's Profile U2U Member Reply With Quote
my first thought would be the thermostat, but they usually fail open to prevent overheating.. at a guess, it could be the waterpump has had it
reecegsi
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Registered: 16th Mar 11
Location: birmingham
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4th Aug 11 at 20:30   View User's Profile U2U Member Reply With Quote
Ther is another bleed screw on water pipe and make sure there not blocked etc
cunningham
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Registered: 25th May 05
Location: Lochore, Fife
User status: Offline
4th Aug 11 at 20:33   View User's Profile U2U Member Reply With Quote
How can you tell if a waterpumP is not working? Does it run on timing belt or an aux belt?
Matty W
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Registered: 31st Jan 11
Location: Ashton-in-Makerfield, Greater Manchester
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4th Aug 11 at 20:39   View User's Profile U2U Member Reply With Quote
iirc the 8v engine is on the cambelt. cant see if its gone without taking the belt off and removing it from the engine
Eddx14xe
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Registered: 12th Jan 10
Location: Hertfordshire
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4th Aug 11 at 20:43   View User's Profile U2U Member Reply With Quote
Is this a mk2? On my girlfriends there is another bleed screw on one of the heater matrix hoses.
cunningham
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Registered: 25th May 05
Location: Lochore, Fife
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4th Aug 11 at 20:52   View User's Profile U2U Member Reply With Quote
Yup mk2 mate the radiator doesn't even get warm
Eddx14xe
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Registered: 12th Jan 10
Location: Hertfordshire
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4th Aug 11 at 20:58   View User's Profile U2U Member Reply With Quote
On the back on the engine you will see two black hoses going into the cars cabin. The right hand side one i think it is (standing infront of the car looking at it) has a bleed screw on it. You might also have the squeeze/pump the coolant pipes.
Eddx14xe
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Registered: 12th Jan 10
Location: Hertfordshire
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4th Aug 11 at 21:00   View User's Profile U2U Member Reply With Quote
If this doesnt work then it may be the thermostat or waterpump like music said.
cunningham
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Registered: 25th May 05
Location: Lochore, Fife
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4th Aug 11 at 23:59   View User's Profile U2U Member Reply With Quote
Take it I should change thermostat first?
Eddx14xe
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Registered: 12th Jan 10
Location: Hertfordshire
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5th Aug 11 at 09:11   View User's Profile U2U Member Reply With Quote
Yeah. Test it first though, no point just going and buying one if its not the problem
cunningham
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Registered: 25th May 05
Location: Lochore, Fife
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5th Aug 11 at 20:47   View User's Profile U2U Member Reply With Quote
New thermostat was bogged on today to check operation and water Is coming out it does that mean he water pump is ok?
Eddx14xe
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Registered: 12th Jan 10
Location: Hertfordshire
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5th Aug 11 at 22:38   View User's Profile U2U Member Reply With Quote
If water is flowing out of where the thermostat is then the pump is ok
pow
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Registered: 11th Sep 06
Location: Hazlemere, Buckinghamshire
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6th Aug 11 at 21:21   View Garage View User's Profile U2U Member Reply With Quote
Thermostat
cunningham
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Registered: 25th May 05
Location: Lochore, Fife
User status: Offline
8th Aug 11 at 10:33   View User's Profile U2U Member Reply With Quote
New hole tapped today in place and running I've bled the system and it's perfect so yup guess it was just the thermostat thanks folks

 
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