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Old 18th August 2022, 20:05   #1
tony g
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Default 1.8T coolant temp ???

the guy i bought the ZT off had a load of work done at a rover specialist, head skim and gasket plus a refresh on the coolant system. its running at 80-85 degrees round town and on the motorway. creeps up to around 95 after idling for a while. seams a bit cool to me ? my last 1.8 sat around 90-95.
does the turbo run a bit cooler ? or have they fitted the wrong thermostat
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Old 18th August 2022, 20:59   #2
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Yes running a bit cool,88-92 average.
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Old 18th August 2022, 21:27   #3
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Yes running a bit cool,88-92 average.
yeah just what i thought. my last 1.8 ran cool till i fitted the right thermostat.
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Old 18th August 2022, 21:37   #4
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Yes running a bit cool,88-92 average.
My 1.8t runs at 90
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Old 19th August 2022, 06:28   #5
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Banana runs at 88-93 depending on the hills around here.
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Old 19th August 2022, 08:23   #6
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... or have they fitted the wrong thermostat?
Does your 1.8T have a Pressure Relief Thermostat (PRT) Tony?

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Old 19th August 2022, 12:10   #7
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Does your 1.8T have a Pressure Relief Thermostat (PRT) Tony?

Simon

no mate, standard housing.
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Old 19th August 2022, 13:10   #8
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The reading is dependent the coolant temperature sensor and it's not unheard of for it to not be giving a correct reading.

If you have or can get hold of an original spare or replacement you could try it to see if that makes any difference

Russ
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Old 19th August 2022, 14:42   #9
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The reading is dependent the coolant temperature sensor and it's not unheard of for it to not be giving a correct reading.

If you have or can get hold of an original spare or replacement you could try it to see if that makes any difference

Russ
yeah possibly Russ, but i think its been fitted with the wrong temp thermostat as I said my last 1.8 was the same till I fitted the right one and It then read 90-95c but as we are having an heatwave i think i'll leave it for now
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Old 20th August 2022, 09:09   #10
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... i think its been fitted with the wrong temp thermostat ... but as we are having an heatwave i think i'll leave it for now
You may be right about the thermostat Tony. If so, could this have been deliberate because the engine was overheating?

A heatwave shouldn't make any difference to running temperature other than the engine reaching it in a shorter time. If it was my car I would be removing the thermostat and checking its operation in a pan of water with a thermometer in it.

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