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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 03-22-2005, 05:42 AM
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ok....got the water pump replaced about 4 days ago by some mechanic. since then the car keeps on overheating, not fully coz i dont let it but the stupid fan wont come on! i know the thermostat doesnt go on because the water doesnt circulate, oh and yeah there is enough water in the engine, 7L+! do i need to reset the thermostat or something? plz help...im gettin a bentley manual in the next few days...

ps. i know the water doesnt circulate because the water pipe on the left side of the engine stays cold while the pipe on the right side is super hot after a drive! its an M50 engine, 1993 320i!


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#2 (permalink) Old 03-22-2005, 07:22 AM
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yeah definatly souds like a t-stat. unfortunatly it is somewhat comon for the t-stat to fail after a new water pump hase been installed. especially if the old water pump casued the engine to over heat any.
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#3 (permalink) Old 03-22-2005, 07:47 AM
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yup, whenever you do the water pump, the t-stat and t-stat housing should be done as well. I bet the t-stat is stuck closed. Get another one and make sure you upgrade the t-stat housing to aluminum.

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#4 (permalink) Old 03-22-2005, 11:25 PM
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how does aluminium t-stat housing improve anything? what will be better?

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#5 (permalink) Old 03-22-2005, 11:33 PM
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really the only advantage of the aluminum housing is that it won't get brittle and break. some people say that they also don't leak. but they still can however they are less likely to leak. if it were me i'd just get a new plastic one. i have seen more engines with plastic housings and no leaks that i have seen aluminum ones period. but really either way would get the job done.
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