MG MG-ZR

Coolant capacity & service interval

MG MG-ZR coolant capacity ranges from 4,8 to 6,3 liters. Service intervals include checks at 20000 to 25000 km or 12 months, and fluid changes at 12 to 24 months. The data covers 6 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
MG-ZR 1.4 16V (2001-2005)
  • Use: Normal
  • Capacity 4,8 liter
  • Check 25000 km/ 12 months
  • Change 24 months
MG-ZR 1.4 Plus (2001-2005)
  • Use: Normal
  • Capacity 4,8 liter
  • Check 25000 km/ 12 months
  • Change 24 months
MG-ZR 1.6 16V (2001-2005)
  • Use: Normal
  • Capacity 4,8 liter
  • Check 25000 km/ 12 months
  • Change 24 months
MG-ZR 1.8 16V (2001-2005)
  • Use: Normal
  • Capacity 4,8 liter
  • Check 25000 km/ 12 months
  • Change 24 months
MG-ZR 1.8 16V (VVC) (2001-2005)
  • Use: Normal
  • Capacity 4,8 liter
  • Check 25000 km/ 12 months
  • Change 24 months
MG-ZR TD (2001-2005)
  • Use: Normal
  • Capacity 6,3 liter
  • Check 20000 km/ 12 months
  • Change 12 months

Additional Notes

  • The MG ZR cooling system capacity holds at 4.8 liters across the 1.4 16V, 1.4 Plus, 1.6 16V, 1.8 16V, and 1.8 16V VVC variants for the 2001-2005 model years. A uniform capacity across five distinct engine configurations points to a shared cooling circuit architecture within the petrol range.
  • The MG ZR TD diesel variant carries a notably larger cooling system capacity of 6.3 liters, which is 1.5 liters more than any petrol variant in the same model range. Diesel engines typically generate higher sustained heat loads and often require greater coolant volume to manage thermal output effectively.
  • All five petrol variants share a check interval of every 25,000 km or 12 months under normal use conditions, whichever comes first. The dual-trigger format means a vehicle driven fewer kilometers in a year still reaches a service point at the 12-month mark.
  • The TD diesel cooling system carries a shorter check interval of 20,000 km or 12 months under normal use conditions, compared to the 25,000 km threshold applied to the petrol variants. The reduced distance interval reflects the more demanding thermal environment of a diesel cooling circuit.
  • Coolant change intervals differ between the petrol and diesel variants. The five petrol engines specify a change every 24 months, while the TD diesel specifies a change every 12 months. The diesel interval is half the duration, meaning the coolant in the TD is renewed twice as frequently over any given two-year period.
  • The 1.8 16V VVC engine uses Variable Valve Control technology, which alters intake valve timing across the rev range. Despite the added mechanical complexity, the cooling system capacity and service intervals for the VVC variant are identical to the standard 1.8 16V, at 4.8 liters with a 24-month change interval under normal use conditions.

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