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Jaguar XK II faults

2 faults documented by at least two sources, listed by version then by mileage at onset when known.

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Reliability
4.0/5

2 known faults

XK 5.0 V8 385

  1. From 80,000 km

    Timing chain tensioners and guides (5.0 V8)

    Severity 3/3 · Serious

    The most reported fault of the AJ133 5.0 V8: according to Carchecker, a steel pin wears a groove in the chain guide, which then develops play, from around 80,000 km (isolated cases from 60,000 km); all 2009 to 2014 XK 5.0s are affected, and revised parts only arrived in 2015. Au7o rates it as high severity (rattle on start-up, progressive chain stretch). A reader of Honest John describes a P0016 code on a 2010 XK 5.0, with a chain suspected to be loose. Preventive repair of 3,000 to 6,000 € at a specialist according to Carchecker; 8,000 to 15,000 € if the chain jumps and damages the engine. Au7o estimates 4,000 to 8,500 dollars.

    Versions
    XK 5.0 V8 385, XKR 5.0 V8 510
    Onset
    from 80,000 km
    Repair
    €3,000 to €6,000

  2. Water pump leak (5.0 V8)

    Severity 1/3 · Annoying

    Coolant passes the water pump shaft seal and corrodes the bearing (Carchecker, Au7o). In 2013 Jaguar published a service bulletin (SSM64657) on a water pump leak on the 5.0 V8, whose design was revised several times. Carchecker estimates the repair at around 600 to 1,500 €.

    Versions
    XK 5.0 V8 385, XKR 5.0 V8 510
    Onset
    not documented
    Repair
    €600 to €1,500

XKR 5.0 V8 510

  1. From 80,000 km

    Timing chain tensioners and guides (5.0 V8)

    Severity 3/3 · Serious

    The most reported fault of the AJ133 5.0 V8: according to Carchecker, a steel pin wears a groove in the chain guide, which then develops play, from around 80,000 km (isolated cases from 60,000 km); all 2009 to 2014 XK 5.0s are affected, and revised parts only arrived in 2015. Au7o rates it as high severity (rattle on start-up, progressive chain stretch). A reader of Honest John describes a P0016 code on a 2010 XK 5.0, with a chain suspected to be loose. Preventive repair of 3,000 to 6,000 € at a specialist according to Carchecker; 8,000 to 15,000 € if the chain jumps and damages the engine. Au7o estimates 4,000 to 8,500 dollars.

    Versions
    XK 5.0 V8 385, XKR 5.0 V8 510
    Onset
    from 80,000 km
    Repair
    €3,000 to €6,000

  2. Water pump leak (5.0 V8)

    Severity 1/3 · Annoying

    Coolant passes the water pump shaft seal and corrodes the bearing (Carchecker, Au7o). In 2013 Jaguar published a service bulletin (SSM64657) on a water pump leak on the 5.0 V8, whose design was revised several times. Carchecker estimates the repair at around 600 to 1,500 €.

    Versions
    XK 5.0 V8 385, XKR 5.0 V8 510
    Onset
    not documented
    Repair
    €600 to €1,500

No recurring fault documented for: XK 4.2 V8 300, XKR 4.2 V8 compresseur.

Price and diagnose repairs

Read fault codes

An OBD scanner plugged in under the steering wheel shows stored fault codes, even with warning lights off: useful during the test drive.

Parts and maintenance

Compare prices of parts for the Jaguar XK II (timing, brakes, filters) to estimate the repairs to plan for.

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