Draining:
Complete service manual instructions can be found here. The MR2 has four drain plugs, one in the radiator, two in the piping underneath the car, and one in the engine block. When I drain the coolant, I just remove the drain plug from the radiator, and let it drain. Then I take a shop vac, [...]
MK2 Coolant
MR2 Cooling System – Bleeding
By Joseph Obernberger
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Head Water Temp. Monitoring
By Pat Signorino & Shane Craddock
In order to find out what was happening when we switched from normal coolant to NPG+, we installed thermocouples in our cyl heads at the inlet and outlet to track temperatures. Preliminary results below.
Here’s the multimiter Pat used. Sourced from Sears tools section.
Here’s a pic of the probe in place under the inlet coolant [...]View the original content on MKII MR2 Mod Project
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Hose From Hell Replacement Without Removing any Part of the Turbo
By Pat Signorino & Shane Craddock
Note: Hose from Hell is also known as HFH.
Description of HFH
The HFH is a simple 5 inch coolant hose on the MR2 Turbo that usually wears out and burts sometime after a car hits 100K miles. The symptoms of a bad HFH are low or no heat coming from the heater vents, water dripping under [...]View the original content on MKII MR2 Mod Project
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3S-GTE • Coolant • Engines • MK2
Carboy Coolant Mod
By Pat Signorino & Shane Craddock
Here are some excellent pictures of a Carboy style modification that was performed on a Series 1 3S-GTE. Results are forthcoming.
Tags: CEL
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Coolant Flush
By Pat Signorino & Shane Craddock
Pat decided to use Evan’s NPG+ as a coolant in hopes of preventing detonation that chronically plagues 3SGTE’s when they reach the 300 rear wheel horsepower limit. Pat is going to be using a GT-30 Turbo Kit from Extreme Boost, and he intends to run around 300rwhp with it.
In order to switch from regular antifreeze/water [...]Tags: drain, drains, drop, engine, filter, remove, service
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