1996 XJ - Engine Temp / Possible Noisy Rear Gears
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1996 XJ - Engine Temp / Possible Noisy Rear Gears
Hello!
Well, I have an awesome 1996 XJ (2 door) with 170k miles, 6 inch lift and 33s on it... The vehicle has had a lot of upgrades and I am about to daily drive it. I am working two issues that I could use some input on....
1) Engine Temp seems to slowly climb, never to a point of overheating, but no too far from it. The temp only rises when I am on the highway (at speeds of 60-70mph) for extended period of time. The clutch, fan, hoses, etc. have all been replaced. The only thing that has not been replaced is the radiator. I was told to put a crown radiator in it. How can I check to see if it is the radiator or possibly the oil pump? Any thoughts before I buy a radiator and put it in.. I would hate to do that only to still have the issue.
2) Rear Diff / Gears. There is the sound of road noise, similar to the sound of tires.. I have put brand new BFG KO2s on it... Still has a sound coming from the rear of the vehicle, again sounding like road noise, that I believe is coming from the rear diff. Doesn't sound like "gear noise".. Any thoughts on what this may be.. I know if is hard to diagnosis from a post, just looking for thoughts.. Is there a diff fluid I can put in to quiet it down a bit? Again not super bad, just annoying.
Thanks for your help!
Well, I have an awesome 1996 XJ (2 door) with 170k miles, 6 inch lift and 33s on it... The vehicle has had a lot of upgrades and I am about to daily drive it. I am working two issues that I could use some input on....
1) Engine Temp seems to slowly climb, never to a point of overheating, but no too far from it. The temp only rises when I am on the highway (at speeds of 60-70mph) for extended period of time. The clutch, fan, hoses, etc. have all been replaced. The only thing that has not been replaced is the radiator. I was told to put a crown radiator in it. How can I check to see if it is the radiator or possibly the oil pump? Any thoughts before I buy a radiator and put it in.. I would hate to do that only to still have the issue.
2) Rear Diff / Gears. There is the sound of road noise, similar to the sound of tires.. I have put brand new BFG KO2s on it... Still has a sound coming from the rear of the vehicle, again sounding like road noise, that I believe is coming from the rear diff. Doesn't sound like "gear noise".. Any thoughts on what this may be.. I know if is hard to diagnosis from a post, just looking for thoughts.. Is there a diff fluid I can put in to quiet it down a bit? Again not super bad, just annoying.
Thanks for your help!
#2
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1) Have you tried a radiator pressure tester to see if you have a leak, either internally or externally? and
2) Is the noise a whirring kind of noise? Locker or not? Does it kind of clunk when you accel/decel?
2) Is the noise a whirring kind of noise? Locker or not? Does it kind of clunk when you accel/decel?
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I would say there is no clunk at all. Seems to be a whirl noise, similar to some really worn off road tires. Interestingly, the sound level drops slightly when I let off of the throttlle.
Thanks for your help!
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