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Low Oil Pressure
The 5.3 came in with a dead miss complaint. On the test drive we saw the OP light ON, so we tested it at the filter and had 55PSI with light still on. Knowing we actually had pressure, we proceeded to tear apart the upper end and replace the lifters(#4 was col... Login to read more. 
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32 Replies Received
32 Replies Received
| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2007 Chevrolet Avalanche LT 5.3L
| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
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