iamdub
Full Access Member
Definitely not an exhaust leak from a broken manifold bolt. Really sounds like a squishy lifter. Popping them rocker covers off only takes about 20 mins.
What is a 5.3L worth if it’s bad???
- Thread starter kdubb30
- Start date
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kdubb30
TYF Newbie
Ok I found out that it’s the camshaft making noise. It’s also losing oil pressure so I just parked it. Don’t know what to do at this point. It will sit awhile I guess. I got a 2008 Impala SS I been driving.
iamdub
Full Access Member
Cam bearing condition (clearance) is one of the biggest factors in oil pressure. You probably spun a cam bearing, which would explain your symptoms of noise and now dropping oil pressure. At 260K, it's not worth rebuilding. If the rest of the car is in good condition, drop a junkyard 5.3 (or larger) in it and keep rollin. Otherwise, part it out and sell me some parts.
kdubb30
TYF Newbie
What do you possibly need?Cam bearing condition (clearance) is one of the biggest factors in oil pressure. You probably spun a cam bearing, which would explain your symptoms of noise and now dropping oil pressure. At 260K, it's not worth rebuilding. If the rest of the car is in good condition, drop a junkyard 5.3 (or larger) in it and keep rollin. Otherwise, part it out and sell me some parts.
iamdub
Full Access Member
A decent dash is the first thing that comes to mind. I see them in junkyards online, but they're so far away. By the time I find one being parted out closer to me, the dash is either destroyed from a wreck or it's already been claimed. My brother is kinda looking for a GMT900 front brake setup for his Sierra. I'm sure there could be other things.
kdubb30
TYF Newbie
Send me a PM.
kdubb30
TYF Newbie
Ok I just wanted to update this thread about my Tahoe. I had it repaired. Turns out it was NOT the camshaft. Camshaft was absolutely fine. It was a broken valve spring. I had been driving it awhile like that and it never got any worse. Also had a couple bad lifters. Replaced lifters and oil pump and she purrs like a kitten. Also fixed an exhaust leak due to broken manifold bolts. She runs good and has great oil pressure.
