I'd have to agree. I have a 180 degree thermostat and a stock fan switch and my temps never go above 205. If your fan switch is bad it would definitely do what you're describing.
Jim Weinheimer [email protected] 85 2.0L 16v GTI 85 Golf >It's probably your fan thermo-switch. It may not be coming on soon enough. > I changed mine and it made a huge difference. I was seeing 250 in heavy >traffic, now it never goes over about 235-240. > > >At 03:06 PM 6/3/01 -0400, Mark Reda wrote: >>Hey guys, >>I've been analyzing my temps (both oil and coolant) on my 91 Jetta GTX >>2.0l 16V. >>I'm running Mobil 1 20W50 Synthetic and VW Phosphate Free Coolant w/ >>50:50 water:coolant ratio. Both changed last weekend. >> >>I noticed that with an outdoor temp of around 10-20C (50-68F) >>when moving at higher speeds the oil temps rarely exceed 108C (226F), >>Coolant needle reading about 1/3. >> >>but when Idling in traffic or stop and go oil temps can go as high as >>122-124C (251-255F), coolant temps reading of about 1/2-2/3. >> >> >>These fluctuations do not happen on my 89 Jetta GTX 1.8l 16V. >>Temps on my 89 1.8l 16V never exceed 114C and don't have the >>fluctuations that the 91 has. >> >>Any Ideas??? >> >>Thanks, >>Mark Reda. >>91 Jetta GTX 2.0l 16V >>89 Jetta GTX 1.8l 16V >>_____________ >>List Sponsor: http://www.netsville.com >>To remove yourself from this list, send mail to [email protected] >with 'unsubscribe a2_16v' in the body of your message >>See us on the web at http://www.a2-16v.com >>Visit the 16V Homepage at http://www.gti16v.org >> >> > ************** > Patrick Austin > [email protected] > (617)782-9115 > ************** >_____________ >List Sponsor: http://www.netsville.com >To remove yourself from this list, send mail to [email protected] with 'unsubscribe a2_16v' in the body of your message >See us on the web at http://www.a2-16v.com >Visit the 16V Homepage at http://www.gti16v.org > > _____________ List Sponsor: http://www.netsville.com To remove yourself from this list, send mail to [email protected] with 'unsubscribe a2_16v' in the body of your message See us on the web at http://www.a2-16v.com Visit the 16V Homepage at http://www.gti16v.org
