I'm not sure what to say except about you saying your fans turn on at different temps.? Is your guage working properly? Maybe you need a new sending unit for it. Thomas VIN: 2953 --- In dmcnews@xxxxxxxxxxxxxxx, Shannon Yocom <ssdelorean@xxxx> wrote: > I'm having a cooling problem and need help with trouble shooting & diagnosing... > > Back story... > Last Fall my alternator belt broke and I almost over heated. So I replaced my > "otterstat" just to be safe. Two different new otterstats later my fans would > still not cycle off properly (outside temps in mid to high 60s). I put the > original back in and all is well. > > Fast forward to this Summer... > Now my car takes forever to cool back down after the fans cycle on at highway > speeds. This does not happen when traveling on surface streets at 25-35mph (it > cools and cycles rather quickly). At first I thought this was due to outside > temperatures being in the 90s but found out that is not always true but plays a > key role. Why would my car have a hard time cooling down at highway speeds > (65-75mph) than in stop & go traffic? > > Other oddities: > - running the AC causes my car to run warmer than normal. It slowly creeps up to > around the 220 mark and hovers there. > - on a recent trip from OH to GA and back I noticed my fans would kick on an off > at different temperatures. It was mostly normal but a couple of times not at the > usual "on" & "off" temps. This makes me think the original "otterstat" may be > bad. > - even traveling thru the cool of the night I noticed at times my the temp to be > warmer than normal (even at times when I was NOT stressing the engine by climbing > up hills or passing) > > Before the trip I replaced the thermostat and blew out 20yrs worth of dirt & dead > bugs from the original radiator. Also tested the in & out temps of the radiator > and there is a 25 degree difference. My car has the self bleeding kit installed. > > Tonight I am going to try a different "otterstat" (98-93 degree). This time I > hope my fans will cycle off. If they do not is there anything else I can try? > > Toby, how's that new adjustable "otterstat" project coming? Do you think that > could solve my problems? > > Any other things that could be causing this that I could look into? > Thanks in advance to any and all help. > > Shannon Y > 16506 > > > > ____________________________________________________ > Sell on Yahoo! Auctions ? no fees. Bid on great items. > http://auctions.yahoo.com/ To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/