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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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cooling problem 24 v.Views : 563 Replies : 7Users Viewing This Thread : |
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Aug 12th, 2006, 00:06 | #1 |
arcturus
Last Online: Yesterday 08:38
Join Date: Mar 2006
Location: Sagres Portugal
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cooling problem 24 v.
92: 3 ltr. 24 v. 960. Whilst out on a run I noticed that my temp guage came to it's normal position in town at normal town speeds (30 ish,) and when I drove on the by pass at cruising speed (60 ish) the reading dropped to cool. When I returned to slower speeds It returned to normal. I suspect the cooling fan staying on or a faulty 'stat. Any opinions would be appreciated.
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Aug 12th, 2006, 09:36 | #2 |
arcturus
Last Online: Yesterday 08:38
Join Date: Mar 2006
Location: Sagres Portugal
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PS. No,its not the fan, I was able to look at it this morning in daylight.
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Aug 12th, 2006, 11:05 | #3 |
Turbo-Charged
Last Online: May 26th, 2024 17:24
Join Date: Dec 2004
Location: redditch
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is the car taking longer time to reach it's normal running temperature if it is it sounds like the coolant thermostat is sticking open and over cooling the engine
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1997 945 2.3LPT SE Auto 2001 V70 2.4 170 SE |
Aug 12th, 2006, 11:44 | #4 |
N.F.I
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As said above it is most likely to be the thermostat, they are very common failure with the straight 6's. They usually fail open so the only consequence is overcooling, but I have known them buckle and fail in the closed position.
Just a point to note, when my t'stat failed I went to the local motor factors to get one and asked for a 'stat for a 960. They asked me for the engine size to which I replied it doesn't matter as they are the same. Their computer system had different prices for the 2.5 and 3.0 versions, so I asked them to check the 850 and S40 versions as well because the whiteblock series of engine use the same stat. They came up with £3.29 for the S40 1.6, £3.59 for the S40 2.0, £3.89 for the 850 2.0, £4.29 for the 850 2.5 and 960 2.5, and £4.59 for the 960 3.0. I got them to check the catalogue for the part no. to confirm it was the same part and then asked for a 'stat for a S40 1.6! |
Aug 12th, 2006, 14:03 | #5 |
arcturus
Last Online: Yesterday 08:38
Join Date: Mar 2006
Location: Sagres Portugal
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Thanks, I thought as much. Just one thing. I know that I need to drain some coolant out but I'm not sure where to drain from. I suppose it will be the block and the drain plug/tap will be in some strange inaccessible place. it won't be somewhere easy like the rad.
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Aug 12th, 2006, 14:04 | #6 | |
N.F.I
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Quote:
You're in luck, the rad has a drain plug on the lower driver's side corner. It will either need an Allen Key or a Large Flat Blade Screwdriver to undo it. |
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Aug 12th, 2006, 19:00 | #7 |
arcturus
Last Online: Yesterday 08:38
Join Date: Mar 2006
Location: Sagres Portugal
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Thanks. Belper, might stop by one day and talk VV's
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Aug 12th, 2006, 22:59 | #8 |
Forum Support Team
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Hi,
Or there is the happy hunting ground AKA Salvos to meet and dig out any useful bits!! Des. . .
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