I once had the low temp part of the dual speed fan switch go on me...the high temp part worked fine, and sufficiently cooled the car down went it finally kicked on. Fan switch is cheap....
On 8/3/05, Chad Rebuck <[email protected]> wrote: > > I thought my temps were in the 270s before but I really could be wrong. > Now it is 210-220 max under track driving or in traffic with the ac on. > > Sounds like you should probably try a new radiator. $80 and it isn't too > hard to replace. > > Chad > > On Wed, 3 Aug 2005, Jim Verheul wrote: > > > On my '89 1.8 16v, that is about what I saw after a new radiator, water > pump, and elimination of the water/oil heat exchanger. I have a new to me > '92 2L 16v that runs as high as 270's in the desert with the AC on (El > Centro, CA)! I am in the process of removing the heat exchanger now and > putting in a new radiator. I also brushed a LOT of little stones out of the > AC condensor, should help air flow. Radiators are cheap! I hope I don't > still have to add an oil cooler after this is done. > > > > JV > > ---- Adam Frank <[email protected]> wrote: > > > I guess one question I have is, what IS an acceptable running > temperature to > > > be seeing on the MFA/Coolant gauge? > > > Once my car warms up, cruising at 60-65 it runs about 210 on the MFA > and in > > > town going down long road at 45mph it drops to 202-205. > > > In stand still traffic, it gets about as high as 225-230~ on the mfa > but > > > cools way down once i start moving again. Thats about right isnt it? > > > I had my AC and AC rad pulled so my radiator can breathe a lot easier, > when > > > I had it done last year, i noticed an immediate difference of almost > 10 > > > degrees across all the diff driving conditions. > > > > > > ----- Original Message ----- > > > From: "Galen Bergthold" <[email protected]> > > > To: <[email protected]>; <[email protected]> > > > Sent: Tuesday, August 02, 2005 6:25 PM > > > Subject: RE: [a2-16v-list] help! overheating problem! > > > > > > > > > > Andrew, > > > > > > > > My car behaved similarly a few years ago (91 GTI 16V - stock). In > the > > > > summer, as I kept driving it daily to work, it kept getting hotter > and > > > > hotter on both the temperature gauge and the MFA until I had to turn > off > > > the > > > > AC to get the overheat light to go off. No leaks, level OK, water > pump OK, > > > > radiator fan (single fan) ran OK. I flushed the system, using > Prestone > > > super > > > > coolant flush, refilled w/distilled water and new coolant. This > helped the > > > > temperatures drop about 10 degrees per MFA but didn't really solve > the > > > > problem. I reflushed the system cleaned/power-washed the outside of > the > > > > radiator and installed a low temperature thermostat (80 C). This > made the > > > > car warm up a little slower but didn't help the overall temperature > issue. > > > I > > > > finally bought a new (stock) radiator and installed it. Problem > solved. My > > > > old radiator must have had too much internal corrosion for good heat > > > > transfer. I can now run the AC in the summer, in traffic, with no > > > > overheating. > > > > HTH, > > > > GBergthold > > > > > > > > >From: Andrew White <[email protected]> > > > > >To: [email protected] > > > > >Subject: [a2-16v-list] help! overheating problem! > > > > >Date: Tue, 02 Aug 2005 11:58:35 -0400 > > > > > > > > > >OK- so I have an overheating problem, but I'm not really sure the > car is > > > > >actually overheating. It's a 1992 16v GLI 2.0, and I just had the > > > > >headgasket replaced last week by a good shop. They checked the > head, it > > > > >wasn't warped at all- was in great shape. Since then, I've been > running > > > > >hot- about 3/4 on the temp gauge, about 224-234 on the oil gauge. > The car > > > > >has a brand new low-temp thermostat, as well as a passat dual > radiator > > > fan > > > > >set up. Should be nice and cool. The odd thing is that the > overheating > > > > >light keeps on coming on- sometimes about about 5/8ths of the way > up the > > > > >temp gauge, sometimes at about 220 for oil temps. The car doesn't > seem to > > > > >be over heating (and the coolant level is not low). The radiator > fan > > > kicks > > > > >on fine, but the temperatures it comes on at does not seem to > reflect > > > what > > > > >my gauges are reading. I've tried a few things (see below) to no > avail- > > > has > > > > >anyone got any ideas? It's really fustrating, my next step might be > to > > > > >replace the actual coolant temp sensor and see if that helps. > > > > > > > > > >What I've done: > > > > >1. "Burp" the coolant system to get out air bubbles, there were > some, but > > > > >not a ton (am going to redo that today) > > > > >2. Tried bypassing the coolant level sensor, overheat light still > came > > > on. > > > > >3. Clean up the wire on the coolant temp sensor, overheat light > still > > > came > > > > >on. > > > > >4. Put in a new thermostat (180 degree), overheat light still came > on. > > > > >5. Checked timing- was right on. > > > > > > > > > >The odd thing is that sometimes my oil temps hits 230 on the > highway when > > > I > > > > >have the A/C on, and the overheat light comes on. Turning off the > A/C > > > cools > > > > >the car back to about 224, overheat light goes off. It sounds like > a flow > > > > >problem to me, but the radiator heats across the whole thing, it > looks > > > like > > > > >I have good flow back to the return bottle, and the water pump is > not > > > > >leaking/makes no noise. > > > > > > > > > >Help!! > > > > > > > > > >Andrew > > > > > > > > > > >........................................................................ > > > > >PGP public key available from: > > > > >http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x82D3E4A0 > > > > > > > > > >26 + 6 = 1 > > > > > > > > > >_______________________________________________ > > > > >a2-16v-list mailing list > > > > >[email protected] > > > > >http://mail.a2-16v.com/mailman/listinfo/a2-16v-list > > > > >For list archives, see listinfo link above. > > > > > > > > > > > > _______________________________________________ > > > > a2-16v-list mailing list > > > > [email protected] > > > > http://mail.a2-16v.com/mailman/listinfo/a2-16v-list > > > > For list archives, see listinfo link above. > > > > > > > > > > > > > _______________________________________________ > > > a2-16v-list mailing list > > > [email protected] > > > http://mail.a2-16v.com/mailman/listinfo/a2-16v-list > > > For list archives, see listinfo link above. > > > > _______________________________________________ > > a2-16v-list mailing list > > [email protected] > > http://mail.a2-16v.com/mailman/listinfo/a2-16v-list > > For list archives, see listinfo link above. > > > > _______________________________________________ > a2-16v-list mailing list > [email protected] > http://mail.a2-16v.com/mailman/listinfo/a2-16v-list > For list archives, see listinfo link above. >
