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sckootter
Forum Newbie
Posts: 38
Reg: 02-14-12
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 02-22-12 05:07 PM - Post#2193962
Hi guys I need some help please. I have a 93 k1500 4x4 with the 5.7 TBI. At cold start up the oil pressure is high above 40 psi. Now as the truck heatup to operation temp the pressure falls off. After cruising for about a half hour the engine is nice and warmed up to operating temp at a stop light the pressure will fall and check gauge light will come on. If I put the truck in nutreal the pressure will sit right above the red and the light will stay off. Also when cruisin down the road the pressure will be low and just make it to the first line in the oil gauge. I thought it was my pressure switch replaced that and still the same problem. The engine runs strong and has no noise at all. I have been researching the problem and alot of guys are leaning to the cam bearings. I dont have the money to do a total rebuild till I sell my other truck. I also have never replaced cam bearing before. Is it a hard task? I know you need a special tool and you have to line up the oil holes. I just dont know how far you install them and is there a stop to know when you have drove the bearing in far enough. PLease give me some input and let me know what you guys think.
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drtyler (4)
