farmboy191

so i am having a problem my truck. truck temp is fine at an idle, fine if i beat the hell outta it but crusin' 'bout 55-60 in 5th it get dangerously to the red line on the coolant temp. now i just replaced the thermostat 'bout febuary and the gauge sensor at the same time. what i am thinking is that the thermostat is kinda locked up. hoping to god the water pump cuz i have a 87 supra to put a head on.
anythoughts would be great its kinda my daily till i get the supra goin......then its goin a hell of alot higher

ayoung101

if it's a new thermostat, that's probably not it. as for the water pump, they're not that hard to change. you could easily do it in an afternoon. course, i only speak for 22re's, i don't know about the 3.0 and i'm not sure which engine you have.

also, stupid thought, how is your coolant level? my coolant miraculously dissappeared for about a year before i actually saw it leaking. it was a pain in the butt cuz every now and then i had to add coolant when the temp guage skyrocketed but i couldn't figure out where the coolant was going. eventually i started seeing a big enough leak to see a puddle and the mystery was solved.

MattGGT

Could be any of a number of things.

Airlocks, faulty rad cap, knacked viscous unit, knacked or clogged rad, leak etc.

xxxtreme22r

double check you timing, i had a different vehicle that did that and for some stupid reason the timing was affecting the water temp because it was retarded too much. didnt show up at idle because no extra fuel going in and running the hell out of it reving it up was fine too, added advance and added coolant flow. Also I am not sure but there is that dual stage thermostat toyota put out in a tech bulletin. But i tihing that was to fix idle temp. I could be wrong.

farmboy191

it is a 3.0 and i checked my coolant level and it was a lil low but other than that i think my rad cap might be takin a . but now if i just drive it normaly it will slowly creep up higher but not that bad.......i think shes pissed at me for getting another car.........fing women

farmboy191

new water pump flow tested radiator and everything and still doing it. going to pick up a new t-stat now hopefull that will be it. thats the lasty thing so

xxxtreme22r

would been my first thing. A buddy of mine just had a similar problem doing a head gasket on a mitsu motor.