ON Topic: 88 Supra overheating...
in [Toyota]
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From: Hachiroku ハチロク on 2 Jun 2010 23:46 I know there are techs in all three groups, hence the cross posting.... The other day, the day it got clobbered by the storm, it was 96 degrees in Keene NH. That's ~35 miles from home. Since it was nice I decided to take the roof off the Supra and use it for my daily rounds. Everything was fine until about mile 27, and then I noticed the temp climbing. By the time I got to my first stop it was almost to the red. It behaved the rest of the time in Keene, and then, about 27 miles later it was heating up again. I opened the radiator and it was down about a quart, but the bottle was on "low". I filled the radiator and let it sit for a couple rainy days. Today was bright and sunny and about 86 degrees, so, since the roof doesn't *quite* fit as well after making like a kite it sits in the trunk, and again the ~35 mile trip to Keene. 27 miles up the road...almost in the red again. When I got to where I pick up my parts I let it cool and then opened the hood, and in front of the radiator the shroud attached to the bottom of the car was wet, and the overflow bottle was FULL. Spring a leak? I patched one split in the plastic top a couple years ago, and it had sprung again. When I filled it I did not add any to the bottle. It ran OK for the few stops I had, then back home...27 miles... When I got home I left the heat on and would start it, ramp the non eletric fan up and shut it down. After about 1/2 an hour letting it sit, I went out and gingerly removed the radiator cap. The cap was COOL! Again... down about a quart in the readiator, but this time the bottle was full. I am guessing the radiator is plugged up. It is the original 22 year old radiator, so I ordered a new one. From Toyota? HAH! Even though they last +20 years, they are also FOUR HUNDRED AND EIGHTY SEVEN DOLLARS!!! SPI, $130. It may only last seven years, but then, how much longer will the car last? (Although it is in pretty good shape...) BTW, I had the SAME THING happen to my '89 Subaru GL coupe, and after replacing the radiator I don't even need the fan, the thing runs so cool.
From: Ray O on 3 Jun 2010 00:04 "Hachiroku ????" <Trueno(a)e86.GTS> wrote in message news:JAFNn.35974$h57.25681(a)newsfe22.iad... >I know there are techs in all three groups, hence the cross posting.... > > The other day, the day it got clobbered by the storm, it was 96 degrees in > Keene NH. That's ~35 miles from home. Since it was nice I decided to take > the roof off the Supra and use it for my daily rounds. > > Everything was fine until about mile 27, and then I noticed the temp > climbing. By the time I got to my first stop it was almost to the red. > > It behaved the rest of the time in Keene, and then, about 27 miles later > it was heating up again. > > I opened the radiator and it was down about a quart, but the bottle was on > "low". I filled the radiator and let it sit for a couple rainy days. > > Today was bright and sunny and about 86 degrees, so, since the roof > doesn't *quite* fit as well after making like a kite it sits in the trunk, > and again the ~35 mile trip to Keene. 27 miles up the road...almost in the > red again. When I got to where I pick up my parts I let it cool and then > opened the hood, and in front of the radiator the shroud attached to the > bottom of the car was wet, and the overflow bottle was FULL. Spring a > leak? I patched one split in the plastic top a couple years ago, and it > had sprung again. When I filled it I did not add any to the bottle. > > It ran OK for the few stops I had, then back home...27 miles... > > When I got home I left the heat on and would start it, ramp the non > eletric fan up and shut it down. After about 1/2 an hour letting it sit, I > went out and gingerly removed the radiator cap. The cap was COOL! Again... > down about a quart in the readiator, but this time the bottle was full. > > I am guessing the radiator is plugged up. It is the original 22 year old > radiator, so I ordered a new one. From Toyota? HAH! Even though they last > +20 years, they are also FOUR HUNDRED AND EIGHTY SEVEN DOLLARS!!! > > SPI, $130. It may only last seven years, but then, how much longer will > the car last? (Although it is in pretty good shape...) > > BTW, I had the SAME THING happen to my '89 Subaru GL coupe, and after > replacing the radiator I don't even need the fan, the thing runs so cool. > Replace the cap while you're at it. -- Ray O (correct punctuation to reply)
From: Hachiroku ハチロク on 3 Jun 2010 00:12 On Wed, 02 Jun 2010 23:04:28 -0500, Ray O wrote: > > "Hachiroku ????" <Trueno(a)e86.GTS> wrote in message > news:JAFNn.35974$h57.25681(a)newsfe22.iad... >>I know there are techs in all three groups, hence the cross posting.... >> >> The other day, the day it got clobbered by the storm, it was 96 degrees >> in Keene NH. That's ~35 miles from home. Since it was nice I decided to >> take the roof off the Supra and use it for my daily rounds. >> >> Everything was fine until about mile 27, and then I noticed the temp >> climbing. By the time I got to my first stop it was almost to the red. >> >> It behaved the rest of the time in Keene, and then, about 27 miles later >> it was heating up again. >> >> I opened the radiator and it was down about a quart, but the bottle was >> on "low". I filled the radiator and let it sit for a couple rainy days. >> >> Today was bright and sunny and about 86 degrees, so, since the roof >> doesn't *quite* fit as well after making like a kite it sits in the >> trunk, and again the ~35 mile trip to Keene. 27 miles up the >> road...almost in the red again. When I got to where I pick up my parts I >> let it cool and then opened the hood, and in front of the radiator the >> shroud attached to the bottom of the car was wet, and the overflow >> bottle was FULL. Spring a leak? I patched one split in the plastic top >> a couple years ago, and it had sprung again. When I filled it I did not >> add any to the bottle. >> >> It ran OK for the few stops I had, then back home...27 miles... >> >> When I got home I left the heat on and would start it, ramp the non >> eletric fan up and shut it down. After about 1/2 an hour letting it sit, >> I went out and gingerly removed the radiator cap. The cap was COOL! >> Again... down about a quart in the readiator, but this time the bottle >> was full. >> >> I am guessing the radiator is plugged up. It is the original 22 year old >> radiator, so I ordered a new one. From Toyota? HAH! Even though they >> last +20 years, they are also FOUR HUNDRED AND EIGHTY SEVEN DOLLARS!!! >> >> SPI, $130. It may only last seven years, but then, how much longer will >> the car last? (Although it is in pretty good shape...) >> >> BTW, I had the SAME THING happen to my '89 Subaru GL coupe, and after >> replacing the radiator I don't even need the fan, the thing runs so >> cool. >> >> > Replace the cap while you're at it. I think it comes with one. I was thinking about that, but the cap is openeing up and letting the coolant flow into the bottle. The coolant I saw in the shroud was the stuff that was being purged out of the bottle... I think I might actually get a real Toyota cap, if it fits. They're only $11...
From: Tegger on 3 Jun 2010 21:23 =?iso-2022-jp?q?Hachiroku_=1B$B%O%A%m%=2F=1B=28B?= <Trueno(a)e86.GTS> wrote in news:dZFNn.21379$7d5.12341(a)newsfe17.iad: > On Wed, 02 Jun 2010 23:04:28 -0500, Ray O wrote: > >>> >>> >> Replace the cap while you're at it. > > I think it comes with one. > > I was thinking about that, but the cap is openeing up and letting the > coolant flow into the bottle. Yeah, but is it opening at a too-low pressure? If it is, the coolant will boil and spew all over the place. Bad juju, bwana... > > The coolant I saw in the shroud was the stuff that was being purged > out of the bottle... Either a bad rad-cap, or you've got a blown head gasket. How's the stuff in the bottle smell? Rubbery? Or like paint-thinner? > > I think I might actually get a real Toyota cap, if it fits. They're > only $11... > You use /aftermarket/ rad caps? Eww, gross. OEM-only, for me. -- Tegger
From: Hachiroku ハチロク on 3 Jun 2010 21:32
On Fri, 04 Jun 2010 01:23:24 +0000, Tegger wrote: >> The coolant I saw in the shroud was the stuff that was being purged out >> of the bottle... > > > Either a bad rad-cap, or you've got a blown head gasket. DO NOT say this!!! We're talking a Supra here! Not that a 1986-1991 Supra would *EVER* blow a head gasket!!! This is the one thing I'm praying it's not... AFAIK, the head gasket has already been replaced and the bolts torqued to the new spec. I'm praying REALLY hard... (Although it doesn't look like that hard a job. I was already 2/3 of the way there when I replaced the spark plugs...) |