Hey all,
I've been troubleshooting my FJ62 that runs quite hot when hitting hills and have tried everything I can think of to mitigate it.
Things I've done:
New Radiator (CSF)
New thermostat (OEM)
New Fan Clutch
New Water Pump (Had to replace anyway)
New AC Condenser (Old was clogged up and AC didn't blow very cold at all)
New Temp sender
Aftermarket gauge to confirm stock gauge readings
Checked the timing. Was originally off by 4 degrees but is now good.
Isolated tranny cooler (stacked plate Derale)
Heater works fine
System was burped
Radiator cap new
Vacuum lines replaced
Head gasket confirmed fine. (Compression is 150-155 across the board with 227k miles on it.
Basically, when driving the car and going up a steep grade if I'm on it for a like 30 seconds it the temps will creep to about 215. Doesn't matter what temp the outside is. Does the same thing in the middle of a Truckee winter. Some people I've spoken to have said that maybe it's normal but I drove my dad's FJ62 for YEARS and the temp always remained steady no matter what the temps were outside. I suppose that car is my baseline.
One thing I noticed today is that the Cold Start Injector sensor is cracked. Like the plastic is physically cracked that the connector fits to. I'm not sure if it's malfunctioning but considering I've tried pretty much everything I wanted to see if maybe that could be the culprit?
Another thing it COULD be is misadjusted valves. This is a new head and I only did the initial adjustment. That being said the valves are quiet in operation. I do plan on doing an adjustment in the next week.
Also, since it's been so hot in Truckee I was thinking of pulling the Tstat entirely and driving it to reno and back to see how high the temps get. I'd put the tstat back in after that. Would this be ill advised?
I'm grasping at straws and would appreciate any ideas, no matter how crazy they might seem.
Thanks!
I've been troubleshooting my FJ62 that runs quite hot when hitting hills and have tried everything I can think of to mitigate it.
Things I've done:
New Radiator (CSF)
New thermostat (OEM)
New Fan Clutch
New Water Pump (Had to replace anyway)
New AC Condenser (Old was clogged up and AC didn't blow very cold at all)
New Temp sender
Aftermarket gauge to confirm stock gauge readings
Checked the timing. Was originally off by 4 degrees but is now good.
Isolated tranny cooler (stacked plate Derale)
Heater works fine
System was burped
Radiator cap new
Vacuum lines replaced
Head gasket confirmed fine. (Compression is 150-155 across the board with 227k miles on it.
Basically, when driving the car and going up a steep grade if I'm on it for a like 30 seconds it the temps will creep to about 215. Doesn't matter what temp the outside is. Does the same thing in the middle of a Truckee winter. Some people I've spoken to have said that maybe it's normal but I drove my dad's FJ62 for YEARS and the temp always remained steady no matter what the temps were outside. I suppose that car is my baseline.
One thing I noticed today is that the Cold Start Injector sensor is cracked. Like the plastic is physically cracked that the connector fits to. I'm not sure if it's malfunctioning but considering I've tried pretty much everything I wanted to see if maybe that could be the culprit?
Another thing it COULD be is misadjusted valves. This is a new head and I only did the initial adjustment. That being said the valves are quiet in operation. I do plan on doing an adjustment in the next week.
Also, since it's been so hot in Truckee I was thinking of pulling the Tstat entirely and driving it to reno and back to see how high the temps get. I'd put the tstat back in after that. Would this be ill advised?
I'm grasping at straws and would appreciate any ideas, no matter how crazy they might seem.
Thanks!