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This reminds me the whole summer that I did my own HG job on my 94 L.
Just to add a little more on this thread,
If anyone doubt about HG problem and needs a little MORE confirmation if they have HG problem or not, go to NAPA store and buy a kit called,
Block Leak Tester.
It is blue chemical fluid that reacts to exhaust gas. If you have HG problem, the exhaust gas fume will eventually come out through radiator neck. So, if you keep the blue chemical on the rad neck for a while while engine running, it will become yellow..... It is fairly easy method and only takes a few minutes to detect HG problem.....
I spotted mine by such method and after self HG service, it never have had any overheat problem so far. Now it is reaching 200k miles...
Another "STRONG" recommendation is change as many things as possible during HG job such as,
T-belt
all other belts
Radiator
Upper rad hose
Lower rad hose
coolant lines etc etc...
Also, I highly recommend to directly go to dealer or any vendor to buy only OEM's (except Radiator). Such as those hoses, don't waste your time to find out those hoses from local auto part store... it is purely waste of time and money... just use OEM's..
Good luck whoever try this HG service.. If any questions, just let me know. I can also share my own experience too....
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