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Unread 06-30-2013, 03:59 PM   #1
cdeck
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1994 YJ Wrangler 
 
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oil temp running high

I recently noticed my oil temp jumped one day from 40 to almost 80!! I took it and had a complete 18 point change done on it but now it's running at 70, unless I push in the clutch then it drops down below 40... Do I need to replace pump?

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Unread 06-30-2013, 04:11 PM   #2
Michaelgoesrawr
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If you're reading the stock gauge, that's pressure not temp. A good rule of thumb is 10 psi per 1000 RPM. So as long as you're not going under that I'd think everything is okay even though I have no idea why your readings are jumping

Oil pressure will be high until it heats up then it will drop as the oil gets thinner.
Oil pressure will be up while driving and drop when idling in accordance with engine rpms. I feel the same goes when you press the clutch in so that would explain why it drops.
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Unread 06-30-2013, 04:27 PM   #3
cdeck
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TY for the fast response!! I meant pressure gauge lol.. it never jumped like that before, as I said it always ran at 40 and now it runs at 70, I just don't want to blow up the engine,, this is my first Jeep and I'm doing all the mechanical work on it myself.
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Unread 06-30-2013, 04:34 PM   #4
Michaelgoesrawr
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You may have a blocked oil passage. But I'm not sure. Someone who knows more will be by. Just give it some time.
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Unread 06-30-2013, 05:12 PM   #5
pasinbuy
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Quote:
Originally Posted by cdeck View Post
TY for the fast response!! I meant pressure gauge lol.. it never jumped like that before, as I said it always ran at 40 and now it runs at 70, I just don't want to blow up the engine,, this is my first Jeep and I'm doing all the mechanical work on it myself.

WTH are we going to even shorten "thank you" with a TY now!

I must be totally out of it these days.
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Unread 07-01-2013, 07:32 AM   #6
cdeck
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Thank You passinbuy for your help on that matter but if you are going to criticize anyone on spelling check yourself first.. ie:WTH.....
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