Radiator should be in there about that point too. I've had other cars overheat with an old radiator, but have not seen it on a miata, usually they start leaking first it seems.
Ross On Jun 8, 2012, at 11:44 AM, Larry Alster wrote: > I disagree slightly here. After the no air, the next thing is check the > fans. The next thing would be a thermostat then the water pump. > > > > > Larry Alster > > 91 Miata White Knight > 92 Miata Silver Bullet (Sold but not forgotten) > 92 Miata Honey B > 04 MSM MX-5 Whooosh > 06 WRX STi Subie > 08 Z06 Corvette (As yet unnamed) > > From: Wiseman, Curtis J [mailto:[email protected]] > Sent: Friday, June 08, 2012 11:19 AM > To: Ken Bogart; Larry Alster > Cc: [email protected] > Subject: RE: EXTERNAL: Re: Miata thermostat? > > I’m with Ken. Given that, start with the easiest/cheapest to hardest/most > expensive. Make absolutely sure your system has no air in it first. If not, > power flush the cooling system. Next is water pump, then head gasket/head. > If you don’t get it solved soon, just jump to the last step. > > From: [email protected] > [mailto:[email protected]] On Behalf Of Ken Bogart > Sent: Friday, June 08, 2012 5:41 AM > To: Larry Alster > Cc: [email protected] > Subject: EXTERNAL: Re: Miata thermostat? > > My thoughts... Cooling is all about flow. > > It might be a large amount if air in the system. At higher RPM, enough > coolant can circulate, but at idle, the top of the engine is running dry. If > you have a head gasket problem, it could be burning coolant and forcing > combustion gasses into the coolant system. > > If the water pump is failing, at low idle RPMs it is not able to push water. > At cruising speed, it circulates enough water to get by. I would suspect the > vanes have corroded away on the pump impeller. > > It could be a clogged/blocked radiator. In low rpm conditions, its not able > to flow enough coolant or air. Make sure you don't have anything blocking > airflow (grille?) and that the fans operate. Possibly the passages are > clogged internally. What does the coolant look like? Has this ever been > flushed? > > I have seem all of these cases before... Clearly needs to be addressed asap. > > > Ken Bogart > ----------------------------------------------------- > 96 Montego Blue FFS Coldside (His) > 97 Black & Tan (Hers) > 90 Crystal White (sons) > ------------------------------------------------------ > http://www.miatacare.com > http://www.cincimiata.com > MiataMail.com list owner > > On Fri, Jun 8, 2012 at 6:19 AM, Larry Alster <[email protected]> wrote: > First you say you blew the head. How?? Did this problem start right after > the head was replaced. Are your fans running?? Does it happen with the AC > on?? If the fans are running I'd be inclined to think water pump but the > "blew a head" thing still needs an answer. > > > > > Larry Alster > > 91 Miata White Knight > 92 Miata Silver Bullet (Sold but not forgotten) > 92 Miata Honey B > 04 MSM MX-5 Whooosh > 06 WRX STi Subie > 08 Z06 Corvette (As yet unnamed) > > From: [email protected] > [mailto:[email protected]] On Behalf Of Joey Delgado > Sent: Thursday, June 07, 2012 11:37 PM > To: [email protected] > Subject: Miata thermostat? > > Having strange heating issue suddenly. > > After long drives on the highway and ONLY when I take my foot off the gas, > the gauge shoots up. So I go on a long drive, pull off the highway and sit at > a light and it starts heading toward the top pretty quickly. Step on the gas > to go at any speed in any gear and it drops back to normal. > > Is this a bad thermostat or something else? > > Background - This is a 96 Miata. I blew the head and had it replaced by a > friend who's a mechanic. Works pretty fine except the engine is a little loud > and now this heating issue. > > Suggestions? Thoughts? > > Thanks in advance! > > Joey > > _______________________________________________ > Miatapower mailing list > [email protected] > http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower > > > _______________________________________________ > Miatapower mailing list > [email protected] > http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower
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