HobHayward
NAXJA Forum User
- Location
- MA
I hate to do this, and fwiw I've done plenty of reading..
Recently on hot days (100*, and at 4500' of elevation) I've been nudging up past 210, almost to 230 on one occasion. The interesting thing is that this is not affected whether cruising on the highway or sitting at a stop light in town, also ac on and off didn't seem to make a difference.
When the outdoor temps are lower (90*) it's been fine. The only exception has been driving up a canyon at 6+% grade where I've seen it nudge just up to 215 or so. Additionally, on the way down the same canyon, engine braking in 3rd and 2nd the engine temps actually dropped to 200.
Did a coolant flush a couple years ago, as well as the water pump. Otherwise afaik everything is original. I can feel the metal support in the lower rad hose so I presume that's fine. The coolant still looks good but I will flush it.
Other than a coolant flush where would one start? I don't have any intention of 'upgrading' anything, other than perhaps going to a 2 or 3 row rad.
99 XJ, 4.0, AW4, 33's, regeared with 4.10's. I've spent plenty of time crawling with high outdoor temps and never had the temp go above 210 before recently.
Thanks!
Recently on hot days (100*, and at 4500' of elevation) I've been nudging up past 210, almost to 230 on one occasion. The interesting thing is that this is not affected whether cruising on the highway or sitting at a stop light in town, also ac on and off didn't seem to make a difference.
When the outdoor temps are lower (90*) it's been fine. The only exception has been driving up a canyon at 6+% grade where I've seen it nudge just up to 215 or so. Additionally, on the way down the same canyon, engine braking in 3rd and 2nd the engine temps actually dropped to 200.
Did a coolant flush a couple years ago, as well as the water pump. Otherwise afaik everything is original. I can feel the metal support in the lower rad hose so I presume that's fine. The coolant still looks good but I will flush it.
Other than a coolant flush where would one start? I don't have any intention of 'upgrading' anything, other than perhaps going to a 2 or 3 row rad.
99 XJ, 4.0, AW4, 33's, regeared with 4.10's. I've spent plenty of time crawling with high outdoor temps and never had the temp go above 210 before recently.
Thanks!