Leyland DAF 400
Power steering fluid capacity & service interval
Leyland DAF 400 uses power steering fluid with a capacity range of 0,45 to 1,5 liters. Service intervals consist of checks every 20000 km or 12 months. The data covers 7 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| V400 2.0 (1989-1992) |
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| V400 2.5 D (1989-1996) |
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| V400 2.5 TD (1989-1996) |
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| V400 3.5 (1989-1999) |
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Additional Notes
- Across the Leyland DAF 400 range, two distinct capacity figures appear for power steering fluid: 0.45 liters and 1.5 liters. The 0.45-liter figure applies to steering box and manual steering configurations, while the 1.5-liter figure applies to full hydraulic power steering systems. The larger volume reflects the reservoir, pump circuit, and hydraulic lines that a power-assisted rack requires to operate.
- The V400 2.0 (1989-1992) carries a 0.45-liter capacity under the designation "steering box," which refers to a recirculating ball or worm-and-sector type steering gear rather than a rack-and-pinion assembly. Steering boxes of this kind hold relatively small fluid volumes compared to full hydraulic power steering circuits.
- The V400 2.5 D and V400 2.5 TD variants (1989-1996) each appear in two separate configurations: one with power steering at 1.5 liters and one with manual steering at 0.45 liters. The presence of both entries for the same engine variant indicates that the 2.5 D and 2.5 TD were available with either steering system during the same production period.
- The V400 3.5 (1989-1999) similarly carries both a power steering entry at 1.5 liters and a manual steering entry at 0.45 liters, following the same dual-configuration pattern seen in the 2.5 D and 2.5 TD variants.
- All seven rows share an identical service interval: a fluid check every 20,000 km or 12 months, whichever comes first. The dual condition means the time-based interval takes effect before the distance threshold is reached in lower-mileage applications, ensuring periodic inspection regardless of usage intensity.
- All specifications are listed under normal use conditions. In fluid service contexts, a normal use designation typically excludes heavy-duty cycles such as sustained towing, off-road operation, or extreme temperature exposure, which would otherwise warrant shorter check intervals.
- The 1.5-liter power steering capacity is consistent across the V400 2.5 D, V400 2.5 TD, and V400 3.5 variants. This uniformity suggests a shared or dimensionally equivalent hydraulic steering system was fitted across multiple engine configurations within the 400 series.