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25-10-2007, 10:38 AM
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#1 | ||
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Regular Member
Join Date: Nov 2005
Posts: 57
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Hi guys i have a AU 5.0L, and i am loosing oil pressure when my car gets to normal running temperature and idling at the lights, but then builds back up to normal once cruising. I also noticed this is made worse when the aircon is on.
I did the normal things, checked oil, its full! And theres no leaks anywhere. Any suggestion?? Oil sender? Oil to thin? another earth? thanks guys |
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25-10-2007, 11:30 AM
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#2 | ||
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Regular Member
Join Date: Apr 2005
Posts: 284
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Could be anyting from bad oil/sender to worn main bearings, first thing to try would be to change the oil, maybe use something a bit thicker, I run 20w in mine.
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25-10-2007, 12:02 PM
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#3 | ||
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FF.Com.Au Hardcore
Join Date: Jun 2005
Posts: 3,633
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Is the HOT oil pressure level lower than "normal" (when HOT) or are you just noticing the usual difference between COLD and HOT oil pressure?
I'd be getting the COLD and HOT pressure checked with a proper, external gauge before I'd be getting to worried ... |
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25-10-2007, 12:09 PM
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#4 | |||
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Regular Member
Join Date: Nov 2005
Posts: 57
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Quote:
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25-10-2007, 12:21 PM
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#5 | ||
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FF.Com.Au Hardcore
Join Date: Aug 2006
Location: Salamander Bay
Posts: 5,427
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test the oil pressure with a proper oil gague first
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25-10-2007, 12:40 PM
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#6 | ||
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Tickford Tough
Join Date: Sep 2006
Location: Adelaide
Posts: 425
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Is it series 1? Ford know about it, it's a faulty earth wire. The can replace it but will cost you for labour. My series 1 TE50 did the same thing.
__________________
Sparkling Burgundy T1 TE50 Build #027 - SOLD |
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25-10-2007, 12:49 PM
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#7 | ||
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Regular Member
Join Date: Nov 2005
Posts: 57
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yep series 1 mate
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25-10-2007, 01:11 PM
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#8 | ||
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Tickford Tough
Join Date: Sep 2006
Location: Adelaide
Posts: 425
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Cool, as I said it's almost certainly just the earth wire. When mine did it I had it tested and had the sender unit replaced only to find out that it was a 20c wire.
__________________
Sparkling Burgundy T1 TE50 Build #027 - SOLD |
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25-10-2007, 02:48 PM
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#9 | ||
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WHAP!!! POW!!! ZORK!!!
Join Date: May 2006
Posts: 96
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Same thing happened with my fairmont,
Faulty earth wire, replaced and bingo fixed! If it doesn't work then move to testing other things.
__________________
CAR: 99 Fairmont,Silver Engine: 5.0L,Tickford intake,extractors,exhaust. Suspension: Koni adjustables lowered. Bodykit: Havoc Wheels:XR8 AUII 17's Interior: upgraded to Ghia,rebolstered seats. Have parts just need fitting: Territory front brakes, Police issue rear brakes,Full sound system,Alpine HU/Processors,Focal speakers,Xtant amps. |
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Loosing Oil Pressure
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