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Ford
Falcon Ute
XD-XF / XG-XH / AU·
1979-2002
ute
Value
Price (AUD)
$3k-$18k
Body styles
Single Cab ute (styleside tray), Cab chassis, Panel van (XD-XF / XG-XH)
Drivetrain
RWD
Origin
Australia
Built in
Australia
Overview
A 23-year run of rear-drive Aussie workhorse utes built on the long-wheelbase Falcon commercial platform: leaf-sprung live rear axle, separate-ish body, and an engine bay that has held everything from a carby crossflow six to a Cleveland and Windsor V8. There were three broad eras. The XD-XE-XF (1979-1993) used carburetted 3.3 and 4.1 'crossflow' sixes (the 4.1 got Bosch then EEC-IV EFI options late in the XE/XF) plus optional 4.9/5.8 Cleveland V8s early on; these are now genuine classics and rust and tired mechanicals matter more than spec. The XG-XH (1993-1999) brought the modern 4.0 SOHC EFI six (the 'Intech' precursor) and a hotter XR6. The AU (1999-2002) modernised the cab, ran the 4.0 Intech SOHC six, an Intech VCT XR6, a dedicated E-Gas LPG six, and the 5.0 Windsor V8 in XR8. These are cheap, simple, parts-everywhere utes; pick a rust-free body and a sound driveline and they tow and work hard for little money. The crossflow six is bulletproof but slow and thirsty; the 4.0 SOHC has well-known coil-pack, gasket and cooling o-ring niggles; the AU's biggest enemy is body/chassis rust. Always inspect the chassis rails, cab corners and tray mounts before anything else.
Engines & variants
3.3L 200 crossflow six (carb)
Engine
OHV crossflow inline-six, single carburettor (alloy and iron head versions)
Config
I6 NA
Displacement
3277cc
Power
~89kW
Torque
~245Nm
Drivetrain
RWD
Economy
12-14 L/100km
Tow (braked)
1600kg (varies by spec)
Tow (unbraked)
750kg
Transmission
3MT, 4MT, 3AT
Timing chain / belt / gear
Timing chain (single row) - inspect/replace at high km
Pros
- Dead-simple OHV six - anyone can work on it
- Cheapest XD-XF commercial to buy and run
- Parts everywhere and very cheap
- Tough bottom end if oil changes were kept up
Cons
- Genuinely gutless - the 4.1 is the one to have
- Carby tuning and choke gremlins on tired examples
- Pre-1986 engines have softer valve seats (leaded-fuel era)
- Thirsty for the performance offered
Known problems
medium
Valve seat recession on pre-1986 heads (leaded-fuel era)
1979-1985 crossflow heads used softer steel valve seats designed for leaded fuel; sustained unleaded use without an additive can recede the exhaust seats, dropping compression and causing rough running.
Fix: Use a lead-replacement additive, or fit hardened exhaust seats / a post-1986 head during any rebuild.
low
Carburettor and choke wear
Decades-old carbys suffer worn jets, leaking gaskets, sticking auto-chokes and flat-spots, causing hard starts, hesitation and poor economy.
Fix: Carby rebuild kit or replacement; many owners refit a manual choke. Cheap DIY work.
low
Timing chain rattle at high km
The single-row timing chain stretches over very high mileage, rattling on start-up and retarding timing.
Fix: Replace chain and gears (duplex upgrade kits available). Straightforward front-of-engine job.
4.1L 250 crossflow six (carb / EFI)
Engine
OHV crossflow inline-six; carburettor, with Bosch L-Jetronic then EEC-IV EFI 4.1 options from the XE/XF
Config
I6 NA
Displacement
4097cc
Power
~100kW (carb) - 120kW (XF EFI)
Torque
~310Nm (carb) - 333Nm (XF EFI)
Drivetrain
RWD
Economy
13-16 L/100km
Tow (braked)
2300kg (carb), up to ~2300kg+ (varies)
Tow (unbraked)
750kg
Transmission
3MT, 4MT, 5MT, 3AT
Timing chain / belt / gear
Timing chain (single row) - inspect/replace at high km
Pros
- The classic Aussie work six - torquey and unburstable
- Tows well for its age; loved by old-school towers
- Late XF EFI (EEC-IV) versions run far cleaner and start easier
- Cheap, simple, parts everywhere
- Easy to mod (extractors, carb, head work)
Cons
- Thirsty, especially the carby versions
- Carby tune drift on tired examples
- Pre-1986 valve seat softness on leaded-era heads
- Performance is modest by modern standards
Known problems
medium
Valve seat recession on pre-1986 heads
Same leaded-fuel-era seat issue as the 3.3: 1979-1985 heads can recede the exhaust seats on unleaded, losing compression.
Fix: Lead-replacement additive, or hardened seats / post-1986 head at rebuild.
low
Carburettor wear (carb versions)
Worn carbys cause flat-spots, hard starts and poor economy; auto-chokes commonly play up.
Fix: Carby rebuild or swap; many fit a Holley/manual choke. EFI XF examples avoid this entirely.
medium
EFI sensor / wiring faults (EEC-IV 4.1 EFI)
On the late EFI 4.1, aged sensors, connectors and the ECU loom cause rough idle, stalling and starting issues after decades of heat cycling.
Fix: Diagnose with EEC-IV codes; refresh sensors, earths and connectors.
4.9L / 5.8L Cleveland V8 (XD-XE)
Engine
OHV pushrod Cleveland V8, carburettor (4-barrel)
Config
V8 NA
Displacement
4949cc / 5752cc
Power
~149kW (4.9) - 162kW (5.8)
Torque
~395Nm (4.9) - ~450Nm (5.8)
Drivetrain
RWD
Economy
16-22 L/100km
Tow (braked)
2300kg (varies by spec)
Tow (unbraked)
750kg
Transmission
4MT, 3AT
Timing chain / belt / gear
Timing chain - inspect at high km
Pros
- Genuine Aussie Cleveland V8 grunt and character
- Strong torque for towing and load
- Collectible now - desirable in a ute
- Simple pushrod design, well supported by the aftermarket
Cons
- Very thirsty
- Only offered early (V8 dropped during the XE run, mid-1982)
- Genuine V8 utes are rare and command big premiums
- Leaded-fuel-era, runs hot if cooling is tired
Known problems
medium
Overheating / cooling system age
The Cleveland needs a healthy cooling system; original radiators, water pumps and timing-cover coolant passages are decades old and a tired system cooks the engine under load.
Fix: Recore/replace radiator, new water pump and thermostat, fresh coolant; consider an alloy radiator.
low
Carburettor and ignition wear
Old four-barrel carbys and points/early electronic ignition drift out of tune, causing flooding, flat-spots and hard starts.
Fix: Carby rebuild and ignition refresh; electronic distributor conversions are common.
medium
Originality / rebuild cost
As a sought-after classic, matching-numbers V8 utes are valuable; a worn engine is expensive to rebuild correctly and non-original swaps hurt value.
Fix: Verify engine numbers and history pre-purchase; budget for a proper rebuild if tired.
4.0L SOHC EFI six (XG-XH)
Engine
SOHC 2-valve inline-six, sequential EFI, cast-iron block / alloy head
Config
I6 NA
Displacement
3984cc
Power
148kW @ 4500rpm (161kW XR6)
Torque
353Nm @ 3750rpm
Drivetrain
RWD
Economy
11-14 L/100km
Tow (braked)
2300kg
Tow (unbraked)
750kg
Transmission
5MT, 4AT
Timing chain / belt / gear
Timing chain (single row) - tensioner/chain wear at high km
Pros
- Big jump in refinement and power over the crossflow
- Strong low-down torque, tows well
- EFI - reliable starting and driveability
- Cheap to buy and run, parts plentiful
- XR6 (161kW) adds a sportier edge
Cons
- Cooling system o-rings and gaskets age out
- Coil/ignition niggles as they get older
- Still a fairly thirsty 4.0 six
- XG-XH cabs more dated than the AU
Known problems
medium
Thermostat housing / water pump o-ring leaks
The 4.0 SOHC uses press-fit o-ring coolant joints at the thermostat housing and water pump that harden and weep with age, risking overheating if ignored.
Fix: Replace o-rings, thermostat housing and water pump as a set; pressure-test cooling system.
medium
Ignition coil pack / lead misfires
The coil pack and HT leads degrade, causing misfires, rough idle and a flashing/illuminated engine light, especially when damp.
Fix: Replace coil pack and quality leads/plugs together. Easy DIY.
low
Timing chain tensioner rattle
The single-row chain and tensioner wear at very high km, causing a start-up rattle.
Fix: Replace chain, guides and tensioner during front-cover service.
4.0L Intech SOHC six (AU, petrol)
Engine
SOHC 2-valve inline-six, sequential EFI, cast-iron block / alloy head, EEC-V management
Config
I6 NA
Displacement
3984cc
Power
157kW @ 4900rpm
Torque
357Nm @ 3000rpm
Drivetrain
RWD
Economy
11-13 L/100km
Tow (braked)
2300kg
Tow (unbraked)
750kg
Transmission
5MT, 4AT
Timing chain / belt / gear
Timing chain - tensioner/cover o-ring leaks at high km
Pros
- Strong, torquey six with good driveability
- Modernised AU cab and ergonomics
- Very cheap to buy now with parts everywhere
- Tows and works hard for little money
- BTR 4-speed auto or T5 manual both well supported
Cons
- Head gasket and cooling o-ring issues if neglected
- Coil pack / ignition lead misfires with age
- AU bodies/chassis rust is the real concern
- Series 1 styling and brake-disc warping criticised
Known problems
medium
Head gasket / cooling o-ring failures
Water-pump and thermostat-housing o-rings, inlet manifold gaskets and timing-cover seals harden and leak; if cooling is neglected the head gasket can let go.
Fix: Refresh all coolant o-rings, thermostat housing and water pump proactively; address overheating before it cooks the gasket.
medium
Ignition coil pack and lead misfires
Coil pack and HT leads are a known weak point, causing misfires, rough idle and a check-engine light.
Fix: Replace coil pack, leads and plugs as a set. Cheap DIY.
low
Front main / timing cover oil leaks
Front crank seal and timing-cover o-rings weep oil with age; power steering pump can also leak onto the alternator.
Fix: Replace front seal and cover o-rings; reseal/replace power steering pump.
4.0L Intech VCT six (AU XR6)
Engine
SOHC inline-six with Tickford variable cam timing (VCT), sequential EFI, EEC-V
Config
I6 NA
Displacement
3984cc
Power
172kW @ 5000rpm
Torque
374Nm @ 3250rpm
Drivetrain
RWD
Economy
12-14 L/100km
Tow (braked)
2300kg
Tow (unbraked)
750kg
Transmission
5MT, 4AT
Timing chain / belt / gear
Timing chain with VCT phaser - inspect at high km
Pros
- Tickford-developed VCT adds noticeably more punch
- Sportier XR6 spec - better brakes, seats, suspension
- Same robust 4.0 architecture, parts everywhere
- Most desirable AU ute six - holds value better
Cons
- Shares the AU head gasket / cooling o-ring weaknesses
- Coil pack / lead misfires with age
- VCT phaser can rattle on cold start if oil/maintenance neglected
- AU rust applies the same as any other
Known problems
low
VCT phaser cold-start rattle
The variable cam timing unit can rattle briefly on cold start when oil is old or the engine has been run low on oil.
Fix: Keep up clean oil with correct grade; replace VCT phaser/cam sprocket if it persists.
medium
Head gasket / cooling o-ring failures
Same cooling o-ring and gasket weaknesses as the standard Intech; overheating can cook the head gasket.
Fix: Proactively refresh coolant o-rings, water pump and thermostat housing; fix overheating early.
medium
Ignition coil pack misfires
Coil pack and leads degrade and cause misfires, as on all 4.0 sixes of this era.
Fix: Replace coil pack, leads and plugs together.
4.0L Intech E-Gas dedicated LPG (AU)
Engine
Dedicated-LPG 4.0 SOHC six with single-point venturi-style gas mixer (not injected), EEC-V
Config
I6 NA
Displacement
3984cc
Power
~149kW
Torque
~350Nm
Drivetrain
RWD
Economy
16-19 L/100km (LPG)
Tow (braked)
2300kg
Tow (unbraked)
750kg
Transmission
5MT, 4AT
Timing chain / belt / gear
Timing chain - tensioner/cover o-ring leaks at high km
Pros
- Factory-engineered dedicated LPG - cheap to run on gas
- Hardened valve seats from factory for LPG (unlike DIY conversions)
- Popular ex-fleet/tradie ute - very cheap to buy
- Same tough 4.0 bottom end
Cons
- Less power and slightly thirstier than petrol on energy basis
- Tank robs some tray/under-body space and adds weight
- Gas-system components (converter, mixer, locks) age and need servicing
- Diminishing LPG availability in some areas now
Known problems
medium
LPG converter / mixer wear
The gas converter (vaporiser) diaphragm and venturi mixer wear with age and high km, causing poor idle, flat-spots and hard hot-starts.
Fix: Service or rebuild the converter and mixer; replace gas filters and hoses.
medium
Cooling o-ring / head gasket (shared 4.0)
Same cooling o-ring weaknesses as the petrol Intech; LPG runs hotter so cooling health is especially important.
Fix: Refresh coolant o-rings, water pump and thermostat housing; keep cooling system in top order.
low
Gas tank certification / age
LPG tanks have a service life and must be periodically inspected/re-certified; an out-of-date tank fails roadworthy and can't be refilled.
Fix: Check the tank date and certification; budget for inspection or tank replacement.
5.0L Windsor V8 (AU XR8)
Engine
OHV pushrod Windsor V8, sequential EFI, EEC-V
Config
V8 NA
Displacement
4942cc
Power
175kW @ 4500rpm (200kW+ Tickford tunes)
Torque
395Nm @ 3000rpm
Drivetrain
RWD
Economy
14-18 L/100km
Tow (braked)
2300kg
Tow (unbraked)
750kg
Transmission
5MT, 4AT
Timing chain / belt / gear
Timing chain - inspect at high km
Pros
- Effortless Windsor V8 torque and sound
- XR8 ute is desirable and holds value
- Robust pushrod V8, huge aftermarket support
- Better brakes/suspension in XR spec
Cons
- Thirsty compared to the six
- Higher purchase and running cost than six-cylinder utes
- Shares AU body/chassis rust risk
- Earlier Windsor is less powerful than later BA Boss V8s
Known problems
medium
Cooling system age / overheating
Like all AUs the cooling system o-rings, hoses and radiator age; a V8 worked hard or towing needs cooling kept fresh.
Fix: Refresh radiator, water pump, thermostat and hoses; pressure-test the system.
low
Ignition and EFI sensor faults
Aged coils, leads and sensors cause misfires and rough running on the high-km Windsor.
Fix: Refresh ignition components and diagnose EEC-V fault codes.
low
Fuel and running cost
Not a fault, but the V8 ute is meaningfully thirstier; factor higher fuel and tyre costs into ownership.
Fix: Accept the running cost, or buy the six if economy matters.
Common problems (all variants)
high
Body and chassis rust (especially AU)
The number-one buying concern across all three eras. Rust attacks door bottoms, cab corners, windscreen and rear-window surrounds, chassis rails, engine-bay seams, tray/tub mounts and panel-van rear quarters. AU clear-coat peeling is also common. Coastal and hard-worked examples can be rusted beyond economic repair.
Fix: Thorough pre-purchase rust inspection of chassis rails, cab corners and tray mounts; favour dry-state, garaged examples. Treat sound cars with cavity wax.
low
Rear leaf spring sag and worn shackles
The leaf-sprung live rear axle sags and the shackle bushes wear after years of load-carrying, causing a saggy rear, harsh ride and clunks.
Fix: Re-arch or replace leaf packs and shackle bushes (Lovells, EFS); add a leaf for load if needed.
medium
Front suspension and steering wear
Upper ball joints, front wheel bearings, idler arm and tie-rod ends wear, giving vague, wandering steering and uneven tyre wear. Particularly noted on the AU.
Fix: Replace ball joints, bearings and steering linkage components; four-wheel alignment.
medium
BTR automatic transmission faults
The BTR 4-speed auto (XG-XH and AU) can develop shift-solenoid faults and drop into limp mode, especially with neglected fluid; extension-housing bush wear causes a tailshaft clunk.
Fix: Service the auto on schedule; replace solenoids and extension-housing bush; rebuild if slipping.
low
Front brake disc warping (XG-XH / AU)
Front discs are prone to warping (notably AU Series 1), giving a pulsing brake pedal under braking.
Fix: Machine or replace discs with quality rotors and pads.
low
Aged ancillaries and electrics
These are old vehicles - expect perished hoses and seals, tired engine mounts, weak window regulators, flaky power windows/central locking and faded interior trim.
Fix: Budget for a consumables and electrics refresh on purchase; most parts are cheap and plentiful.