22re Coolant problem

RustBucket · 12-07-2006, 11:43 AM

Hey guys,

I drove back to school from the mall today, stopped at the front of the building for a few minutes to let some people out, and then as I pulled away I heard a strange noise for a second from the front drivers side of the engine compartment. I didn't think anything of it and I drove the 1/8 mile to where I park, and got out and noticed wetness all around the drivers side front suspension and stuff, even on the mudflap. It was not water, and I determined it was coolant. I opened the coolant overfill reservoir and it was full to the brim and the little overflow hose had splash marks out of it.

I am not in the habit of overfilling my coolant system... any idea why so much coolant ejected out of the overflow tank?

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spudrunner · 12-07-2006, 07:33 PM

thermostat stuck closed?

Elton · 12-07-2006, 07:37 PM

sounds like it started over heating could be a t-stat wich are very easy to change just make sure you get the dual staged ones from the dealer

drew303 · 12-07-2006, 07:46 PM

I'd replace the Thermostat and the radiator cap. All the books will tell you to test them but they're so damn cheap just get new ones.

T-stat replacement is probably the easiest (besides the cap

) maintnence you'll ever do to a yota =)

RustBucket · 12-08-2006, 11:09 PM

Hmm, it never gave me a sign of overheating... And the t-stat is brand new! It is one with the little bypass valve as well.

The radiator cap, eh? Think it could be leaking?

drew303 · 12-08-2006, 11:44 PM

buy a new cap

salad_man · 12-08-2006, 11:46 PM

Also if the radiator cap dosent have a good seal or dosent close tight enough it might send fluid to the over flow. I have an 88 that has done that before...

toyman2 · 12-15-2006, 06:22 AM

if you lose a head gasket it will pressure the cooling system

12-07-2006, 07:37 PM	#3 (permalink)
Elton Contributing Member Join Date: Jul 2005 Location: Siletz,Oregon Posts: 10,657	sounds like it started over heating could be a t-stat wich are very easy to change just make sure you get the dual staged ones from the dealer __________________ My Truck 98 4runner SR5 3.4L 5spd 4x4 E-Locker Mods Mom 07 Tundra d-cab limited 5.7L 4x4 auto sister 92 pickup SR5 X-cab 3.0L 5spd 4x4 Papa 89 Pickup SR5 X-cab 4x4 3.0L 5spd/98 4runner SR5 4x4 auto 3.4L R.I.P 91 4runner SR5 4x4 3.0L 5spd Totaled 5/13/06 My Wreck

12-07-2006, 07:46 PM	#4 (permalink)
drew303 Registered User Join Date: Dec 2006 Location: Olympia, WA Posts: 2,033	I'd replace the Thermostat and the radiator cap. All the books will tell you to test them but they're so damn cheap just get new ones. T-stat replacement is probably the easiest (besides the cap ) maintnence you'll ever do to a yota =) __________________ 1987 Pickup, single cab, 22R, new head, 260 cam TG 3" SAS, rear disc brakes, chromoly rear axles, Chromoly Birfs, Tcase brake, 37x12.50R15 MT/Rs, 5.29 gears, rear Aussie Locker, front Detroit Truetrac.

12-08-2006, 11:09 PM	#5 (permalink)
RustBucket Registered User Join Date: Aug 2005 Location: Cumming, GA Posts: 977	Hmm, it never gave me a sign of overheating... And the t-stat is brand new! It is one with the little bypass valve as well. The radiator cap, eh? Think it could be leaking? __________________ Rust-Free '88 Runner. Stay-at-home truck.

12-08-2006, 11:44 PM	#6 (permalink)
drew303 Registered User Join Date: Dec 2006 Location: Olympia, WA Posts: 2,033	buy a new cap __________________ 1987 Pickup, single cab, 22R, new head, 260 cam TG 3" SAS, rear disc brakes, chromoly rear axles, Chromoly Birfs, Tcase brake, 37x12.50R15 MT/Rs, 5.29 gears, rear Aussie Locker, front Detroit Truetrac.

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12-07-2006, 07:33 PM	#2 (permalink)
spudrunner Registered User Join Date: Oct 2006 Location: Post Falls, Idaho Posts: 146	thermostat stuck closed?

12-08-2006, 11:46 PM	#7 (permalink)
salad_man Registered User Join Date: Nov 2006 Location: So Cal Posts: 35	Also if the radiator cap dosent have a good seal or dosent close tight enough it might send fluid to the over flow. I have an 88 that has done that before...

12-15-2006, 06:22 AM	#8 (permalink)
toyman2 Registered User Join Date: Oct 2005 Posts: 2	if you lose a head gasket it will pressure the cooling system

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