VolvoElectrical Parts

8149506 — Coolant Recovery Overflow Reservoir Expansion Tank With Pressurized Cap &Amp; Sensor 8149506 For Volvo Vn Vnl Vnm 1998-2003

This is a coolant recovery reservoir and expansion tank assembly, complete with a pressurized cap and a level sensor. It serves as a crucial component of the engine's cooling system, holding excess coolant and maintaining system pressure. A leak in the tank, a faulty cap, or a malfunctioning sensor can lead to coolant loss, system over-pressurization, or inaccurate level readings, potentially causing engine overheating.

Coolant Recovery Overflow Reservoir Expansion Tank With Pressurized Cap &Amp; Sensor 8149506 For Volvo Vn Vnl Vnm 1998-2003 – Part No 8149506 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryElectrical Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Disconnect main battery before working on electrical components. Use dielectric grease on all connector pins. Check ground connections — most electrical faults trace to poor grounds. Test with multimeter before installing new parts.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeCoolant Reservoir and Expansion Tank
MaterialHigh-density polyethylene (HDPE)
ApplicationEngine cooling system
Service LifeReplace as needed, typically 5-10 years
CompatibilityVolvo 8149506
ConditionNew — OEM specification aftermarket

Failure Symptoms

Visible coolant leaks, a persistent low coolant warning light, or the engine temperature gauge rising into the red zone are common indicators of a failing coolant reservoir. If left unaddressed, significant coolant loss can lead to severe engine overheating and potential internal damage. This can result in costly repairs and extended equipment downtime.

Installation Tip

Ensure all old coolant hoses are securely reconnected and clamped to prevent leaks. Do not overtighten the mounting bolts, as this can crack the plastic reservoir.

Service Note

Inspect radiator hoses, the thermostat, and the water pump for signs of wear or leaks when replacing the coolant recovery reservoir.