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poombah Regular Location: Forrestfield, WA Registered: August 2002	Re: 1jz ma61 overheating Tue, 03 December 2002 10:36 Some Things to Check: Thermostat- Is it Opening? 1JZ ones are like std supposed to open at 82 degrees Radiator - is it clean, like free of crap on the front and does it look clean inside Glycol/Water Ratio - You should be like 60%, if its too low it drops boiling point.. see below.. but also as far as i am aware glycol is used in efi cars to prevent problems with hotspots in the engine... also dont forget it does slow down corrosion..( i wont say prevent because they all eventually start to corrode). Pressure - Is it squirting into the overflow bottle.. it could be that your radiator cap is stuffed, not holding pressure. Lower pressure means the boiling point drops and you could be slowly boiling off coolant. Bottom Hose - 1JZ's seem to have this weird almost kink in the bottom hose due to the angle the thermostat comes out at. Make sure its not kinked too much reducing the water flow... shouldnt be a problem because at full pressure it should push the hose out to allow flow. Water Pump - Has the water pump been changed? They normally start to go around 80,000kms -> 110,000kms in 1jz.. water pump not working means its not moving coolant round....The water pump seems to be part of the oil powered fan pump... weird shit.. [Updated on: Tue, 03 December 2002 10:41] [Report message to a moderator]

	Subject	Poster	Date
	1jz ma61 overheating	draven	Tue, 03 December 2002 08:50
	Re: 1jz ma61 overheating	poombah	Tue, 03 December 2002 10:36
	Re: 1jz ma61 overheating	draven	Tue, 03 December 2002 13:13
	Re: 1jz ma61 overheating	SUPRAGTE	Wed, 04 December 2002 16:15
	Re: 1jz ma61 overheating	mx83toy	Thu, 05 December 2002 00:30
	Re: 1jz ma61 overheating	SUPRAGTE	Thu, 05 December 2002 01:05
	Re: 1jz ma61 overheating	draven	Thu, 05 December 2002 01:15
	Re: 1jz ma61 overheating	mx83toy	Thu, 05 December 2002 02:46
	Re: 1jz ma61 overheating	draven	Thu, 05 December 2002 03:25
	Re: 1jz ma61 overheating	gianttomato	Thu, 05 December 2002 03:41
	Re: 1jz ma61 overheating	ma61_turbo	Thu, 05 December 2002 04:43
	Re: 1jz ma61 overheating	ma61_turbo	Thu, 05 December 2002 02:41
	Re: 1jz ma61 overheating	ed_ma61	Thu, 05 December 2002 04:03
	Re: 1jz ma61 overheating	SUPRAGTE	Thu, 05 December 2002 05:31
	Re: 1jz ma61 overheating	draven	Thu, 05 December 2002 05:46
	Re: 1jz ma61 overheating	Norbie	Thu, 05 December 2002 05:48
	Re: 1jz ma61 overheating	Bugman	Thu, 05 December 2002 05:49
	Re: 1jz ma61 overheating	zorro	Thu, 05 December 2002 10:43
	Re: 1jz ma61 overheating	draven	Thu, 05 December 2002 10:49
	Re: 1jz ma61 overheating	ed_ma61	Thu, 05 December 2002 13:25
	Re: 1jz ma61 overheating	ed_ma61	Thu, 05 December 2002 13:27
	Re: 1jz ma61 overheating	draven	Thu, 05 December 2002 18:39
	Re: 1jz ma61 overheating	humble	Fri, 06 December 2002 00:19
	Re: 1jz ma61 overheating	gianttomato	Fri, 06 December 2002 00:38
	Re: 1jz ma61 overheating	draven	Fri, 06 December 2002 04:39
	Re: 1jz ma61 overheating	zorro	Fri, 06 December 2002 06:12
	Re: 1jz ma61 overheating	SUPRAGTE	Sat, 07 December 2002 09:42
	Re: 1jz ma61 overheating	draven	Sat, 07 December 2002 12:45
	Re: 1jz ma61 overheating	SUPRAGTE	Sun, 08 December 2002 09:40
	Re: 1jz ma61 overheating	draven	Mon, 16 December 2002 04:08
	Re: 1jz ma61 overheating	SUPRAGTE	Mon, 16 December 2002 11:17
	Re: 1jz ma61 overheating	draven	Mon, 16 December 2002 12:39
	Re: 1jz ma61 overheating	5m3ghead	Mon, 23 December 2002 11:36
	Re: 1jz ma61 overheating	draven	Mon, 23 December 2002 13:15
	Re: 1jz ma61 overheating	mx83toy	Mon, 23 December 2002 13:56
	Re: 1jz ma61 overheating	draven	Mon, 23 December 2002 18:46

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