"Bruce" > wrote in
oups.com:

> I drove my '90 Civic EX sedan 1.6L (180k miles, 5spd) on a 65 mile trip
> last week (averaging 75mph, 3.5-4k rpm, no AC, ambient temp 85) and
> about 5 mins after I pulled off the highway, the temperature gauge
> slowly climbed to 2/3, up from its normal position at just under 1/2.
> Once I parked, I heard gurgling coming from the coolant overflow
> bottle. After about 4 hrs, I opened the radiator cap to check coolant
> level, it was still topped off even though about a cup leaked out of
> the top of the OF bottle. OF bottle was empty,



Replace your rad cap. That's the #1 culprit here.

The giveaway is that the coolant sucked itself back in after the car cooled
down. If it had been the head gasket, there would have been air in the rad.

Use OEM only. Toyota sells the same cap for cheaper than Honda. Ask for an
'86 MR2 rad cap.





>
> One other problem (maybe related, maybe not): I have noticed an
> intermittant squeal coming from the front left wheel that is in time
> with wheel rotation, and is more pronounced when I turn left. It's
> quiet during right turns, and whenever I apply even light brake
> pressure. This noise was very pronounced when it was running hot after
> the first half of my trip last week (only after I got off the highway
> and was driving for 5 mins at ~30mph on city streets). Possibly coolant
> leaking on brake pad/caliper?



Possibly rotor perimeter rust rubbing on the anti-rattle spring when the
rotors heat up. Pull caliper and check for shiny spots on the pad slide
shims where they tuck inside the mount bracket, and on the anti-rattle
spring embedded in the caliper.


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/