This set includes main and connecting rod bearings, essential for reducing friction and wear between the crankshaft and connecting rods in Volvo D6D engines. Manufactured to precise tolerances, these bearings ensure smooth rotation and proper oil film support, unlike worn bearings that exhibit excessive play. Operators may observe increased engine noise, particularly a knocking sound, and potentially a drop in oil pressure when these bearings fail.
Always verify with serial number before ordering.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The initial symptom of failing engine bearings is often an audible knocking or tapping sound from the engine, which may increase with engine speed. If left unaddressed, this noise will become more pronounced, and oil pressure may begin to drop significantly. Continued operation can lead to severe crankshaft and block damage.
Ensure all bearing surfaces and crankshaft journals are meticulously clean and properly lubricated with assembly lube before installation. Never mix old and new bearings, and always install them in the correct orientation.
When replacing engine bearings, it is essential to inspect the crankshaft for any signs of scoring, wear, or damage, and to check the oil pump for proper pressure output.