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Why Do Some Connecting Rod Bearings Have an Upper and a Lower Shell?
Most aftermarket performance-oriented connecting rod bearings are marked “Upper” and Lower” to be used in these respective positions. Stock replacement rod bearings are generally not marked.
NHTSA opens probe of over 877K GM vehicles for engine failures
Owners of the vehicles complained of connecting rod bearing wear, which has led to catastrophic engine damage without any ...
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NHTSA opens a safety probe affecting nearly 900K GM vehicles
National Highway Traffic Safety Administration (NHTSA) opened a new safety probe on January 16th, 2025, looking into multiple ...
New York Post24d
Feds probing GM engine failures in nearly 900K vehicles — including its best-selling model
A bearing failure can cause the engine to seize or a breaching of the engine block by a connecting rod, regulators said. The Silverado pickup truck was the second-best selling vehicle in the US ...
Yahoo Finance15d
NHTSA opens probe of over 877K GM vehicles for engine failures
The vehicles include model year 2019-2024 Chevrolet Silverado ... a forged steel crankshaft and connecting rod bearing caps made of cast nodular iron. Since the 1990s, cast nodular iron has ...