High Temp???

kintrea · Mar 8th, 2008, 04:37

Hello guys, what temp range is normal???

Ive got a '99T4 and av noticed over the last couple of days that, on motorways, the temp gauge reads between 91-97(goes up an down every 30sec - 1min) and wen a giv it some full boost (say about 8-10secs) it reaches 102!! When stuck in V-slow traffic today, it didnt want to go below 94 (with engine fan ON CONSTANT)

Av never really noticed the temp before TBH, but am sure it used to sit quite a bit lower (80degrees rings a bell on motorway)

The coolant level is bang on. Oil level is at half, and new(ish)
Drove it at -3 the other nite and at +12degrees today, same results.

Has anyone encounterd this before?? ive lookd at other postings but they wer all for LOW running temps, with thermostat or sensor being the likely problem. HELP!
Thanks K

rusrus · Mar 8th, 2008, 10:07

yes could be the thermostat on its way out

manoman48 · Mar 8th, 2008, 15:00

Sounds like you need a new thermostat. Its a nice easy job

kintrea · Mar 8th, 2008, 19:21

cheers guys, al change it asap and hopefully jobs a goodun.
A was dreading a "head gasket" reply TBH.
thanks again K

wa666ou · Mar 13th, 2008, 10:54

Interesting...
I just replaced my thermostat. It's marked 92C.
Autodata says I should use 90C for T4...

Anyway, when driving on b-roads temp stays around 92-93C.
I don't think that's normal.
Air temp is around +5C outside.

cwc2128 · Mar 13th, 2008, 11:24

My 98 V40 T4 126 k runs around 92-93degs when upto temp and definately cooler on a motorway run down to say 90-92 it only ever goes into 98 + when sat in traffic 102 the fan cuts in and brings it down to 90 in 2 minutes , I would defo consider changing your stat and even the temp sensor as it could be giving false readings, change both for £40 and 15 minutes work for peace of mind.

Mar 8th, 2008, 04:37	#1
kintrea New Member Last Online: Mar 29th, 2018 14:03 Join Date: Mar 2008 Location: glasgow	High Temp??? Hello guys, what temp range is normal??? Ive got a '99T4 and av noticed over the last couple of days that, on motorways, the temp gauge reads between 91-97(goes up an down every 30sec - 1min) and wen a giv it some full boost (say about 8-10secs) it reaches 102!! When stuck in V-slow traffic today, it didnt want to go below 94 (with engine fan ON CONSTANT) Av never really noticed the temp before TBH, but am sure it used to sit quite a bit lower (80degrees rings a bell on motorway) The coolant level is bang on. Oil level is at half, and new(ish) Drove it at -3 the other nite and at +12degrees today, same results. Has anyone encounterd this before?? ive lookd at other postings but they wer all for LOW running temps, with thermostat or sensor being the likely problem. HELP! Thanks K

Mar 8th, 2008, 10:07	#2
rusrus Junior Member Last Online: Sep 29th, 2010 15:33 Join Date: Jan 2008 Location: northampton	yes could be the thermostat on its way out

Mar 8th, 2008, 15:00	#3
manoman48 Master Member Last Online: Apr 28th, 2023 11:20 Join Date: Mar 2007 Location: Sc.unthorpe	Sounds like you need a new thermostat. Its a nice easy job

Mar 8th, 2008, 19:21	#4
kintrea New Member Last Online: Mar 29th, 2018 14:03 Join Date: Mar 2008 Location: glasgow	cheers guys, al change it asap and hopefully jobs a goodun. A was dreading a "head gasket" reply TBH. thanks again K

Mar 13th, 2008, 10:54	#5
wa666ou Junior Member Last Online: Jan 26th, 2016 08:34 Join Date: Jun 2006 Location: Kermarne	Interesting... I just replaced my thermostat. It's marked 92C. Autodata says I should use 90C for T4... Anyway, when driving on b-roads temp stays around 92-93C. I don't think that's normal. Air temp is around +5C outside.

Mar 13th, 2008, 11:24	#6
cwc2128 Member Last Online: May 7th, 2009 15:42 Join Date: Jan 2008 Location: Surrey	My 98 V40 T4 126 k runs around 92-93degs when upto temp and definately cooler on a motorway run down to say 90-92 it only ever goes into 98 + when sat in traffic 102 the fan cuts in and brings it down to 90 in 2 minutes , I would defo consider changing your stat and even the temp sensor as it could be giving false readings, change both for £40 and 15 minutes work for peace of mind.

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