Knocking around
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Senior User
Joined: Sep 2004
Posts: 446
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From: Texas
Knocking around
When I start up my truck, the oil pressure seems to take a while to wake up and get moving. It rides at 30 at idol, but it doesn't get there for a couple of minutes.
I also hear a low thunking knock that sounds like a rod bearing untill the pressure rises to30, but then it goes away and stays away.
WHat could be causing the oil to be slow?
I also hear a low thunking knock that sounds like a rod bearing untill the pressure rises to30, but then it goes away and stays away.
WHat could be causing the oil to be slow?
Lead Driver
Joined: Apr 2001
Posts: 6,175
Likes: 21
From: Texas
I'd be scared not to see oil pressur for a matter of seconds...minutes would make me real nervous.
I'm no oil expert. But you might drain it and fill it with something that willl flow well at startup. I run Castrol GTX 20w50, and I have pressure immediately. When cold it is real high 60-80 psi. When warm at idle it drops back down to below 20psi, but I believe that is typical.
I'm no oil expert. But you might drain it and fill it with something that willl flow well at startup. I run Castrol GTX 20w50, and I have pressure immediately. When cold it is real high 60-80 psi. When warm at idle it drops back down to below 20psi, but I believe that is typical.
