Released in 1963, The EH marked a turning point for Holden — a car that still carried the familiar rounded, post-war styling of earlier models, but introduced enough mechanical and design improvements to feel genuinely modern for its time.
It was the first Holden to offer the now-legendary “Red Motor”, and it helped cement Holden’s dominance in the Australian family car market throughout the 1960s.
On the road, the EH was everywhere.
Survivors are getting thin on the ground, and original, unmodified examples are increasingly rare. Most have either been restored, modified, or slowly succumbed to time and rust.
And that brings us to the reality of EH ownership today.
Here are the most common EH Holden problems owners and buyers should know about.
1. Rust Problems
Rust is the biggest issue affecting EH Holdens today.
These cars were built in an era where rust protection was minimal, and many spent years parked outdoors or working in harsh Australian environments. Coastal air, dirt roads, farm use and long-term storage have all contributed to widespread corrosion.
By now, very few EH Holdens are completely rust-free unless they’ve had extensive restoration work.
Common rust areas include:
- lower doors
- rear quarter panels
- floor pans
- boot floors
- chassis rails
- windscreen surrounds
- sill panels and jacking points
Utes are especially vulnerable due to their working life and constant exposure.
Common symptoms
- Bubbling paint along lower body panels
- Soft or weakened floor sections underfoot
- Water leaks into cabin or boot
- Rust holes hidden beneath trim or carpets
- Heavy filler masking previous repairs
A solid EH shell is now one of the most valuable starting points for any restoration.
Related guide
- Early Holden Rust Problems
- How to Inspect an Early Holden Before Buying
- Best Rust Protection Products for Classic Holdens
2. Holden Red Motor Wear
The EH was offered with Holden’s early “Red Motor” in base form. Although on the whole it was a reliable engine, the EH got the first run of them which would have come with more teething issues than any other Holden model.
While the Red Motor was a huge step forward in performance and reliability, both engine families are now well past their intended lifespan.
Common issues include:
- oil leaks from aged gaskets and seals
- worn timing chains
- carburettor tuning issues
- overheating under load
- general loss of compression in tired engines
Many EH engines have been rebuilt or modified over the decades, so originality can vary widely.
Common symptoms
- Rough idle or hesitation
- Hard starting when cold
- Excessive oil consumption
- Reduced power and throttle response
- Engine noise from internal wear
Despite their age, these engines remain simple to rebuild and well supported in the classic Holden community.
Related guide
- Holden Red Motor 149 & 179 Issues Explained
- Best Oils for Classic Holden Engines
3. Cooling System Problems
Cooling system issues are one of the most common and preventable problems in EH Holdens.
Radiators clog internally over time, hoses crack and harden, thermostats fail, and water pumps wear out after decades of service. Once cooling efficiency drops, overheating becomes a serious risk — especially in Australian summer conditions.
Many surviving EHs are still running original cooling systems.
Common symptoms
- Temperature gauge creeping up in traffic
- Coolant leaks under vehicle
- Steam from engine bay
- Sweet smell of coolant
- Poor heater performance
Overheating an early Holden engine can quickly lead to major mechanical damage.
Related guide
- Holden Red motor Cooling System Problems
- Holden red motor Radiator Upgrade Guide
- Best Coolants for Classic Holdens
4. Transmission Wear (Manual & Automatic)
The EH was offered with both manual gearboxes and early automatic transmissions depending on specification.
While simple and durable for their time, decades of use and neglect inevitably lead to wear.
Many EH Holdens have lived long, hard lives:
- stop-start city driving
- highway cruising
- towing light loads
- and decades without proper transmission servicing
As a result, wear is now extremely common.
Common symptoms
- Slipping gears or poor engagement
- Notchy or difficult manual shifting
- Harsh or inconsistent automatic shifts
- Transmission fluid leaks
- Shuddering under load
A properly rebuilt gearbox or auto can dramatically improve drivability.
Related guide
- EH Holden Transmission Problems
- Best Transmission Fluids for Classic Holdens
5. Suspension & Steering Wear
The EH delivers that classic early Holden driving feel — light, simple and comfortable — but worn suspension components can make them feel vague and unpredictable.
After more than 60 years, most EHs now suffer from worn:
- shock absorbers
- kingpins and steering linkages
- control arm bushes
- sway bar components
Cars that spent their lives working or on rough roads tend to be worse.
Common symptoms
- Wandering steering at speed
- Clunking noises over bumps
- Uneven tyre wear
- Excessive body roll
- Loose or vague steering feel
A suspension refresh is one of the most effective upgrades for safety and drivability.
Related guide
- EH Holden Suspension Problems
- Best Suspension Upgrades for EH Holden
- EH Holden Buyers Guide
6. Electrical Problems
Electrical systems in early Holdens were very basic, but age introduces its own set of issues.
In the EH, wiring looms, switches and connectors are now well beyond their intended service life. Add decades of repairs and modifications, and electrical faults become common.
Common issues include:
- charging system faults
- faulty gauges or dash lighting
- intermittent starting issues
- blown fuses
- poor earth connections
Common symptoms
- Flickering lights
- Flat batteries after sitting
- Gauges reading incorrectly
- Random electrical faults
- Starting inconsistencies
Often, restoring clean earths fixes more than replacing components.
Related guide
- Early Holden Electrical Problems
- Best Battery Upgrades for Classic Holdens
7. Oil Leaks
Oil leaks are almost part of the personality of early Holden engines at this age.
In the EH, hardened seals and ageing gaskets allow oil to slowly escape from multiple areas over time.
Common leak points include:
- rocker cover gaskets
- sump gaskets
- rear main seals
- timing cover seals
Common symptoms
- Oil spots under vehicle
- Burning oil smell after driving
- Dirty engine bay and underbody
- Smoke near exhaust components
Small leaks are common, but larger leaks should always be addressed before they worsen.
Related guide
- Holden Red engine Oil Leak Guide
- Best Engine Oils for Classic Holdens
8. Interior Wear & Ageing Trim
EH interiors were designed for durability, not long-term survival over six decades.
After years of sun exposure and use, most interiors show significant wear unless restored.
Common issues include:
- cracked dashboards
- sagging roof lining
- faded or brittle plastics
- worn seat upholstery
- loose interior trim
Utes are typically the most heavily worn, while well-kept sedans often survive slightly better.
Common symptoms
- Sun-cracked dash surfaces
- Interior rattles and loose panels
- Sagging headliner
- Torn or faded seats
- General cabin ageing
Good original interior parts are becoming increasingly rare.
Related guide
- Early Holden Interior Restoration Guide
- Early Holden Roof Lining Repair Guide
- Best Interior Products for Classic Holdens
Is the EH Holden Reliable?
For a vehicle built in 1963, the EH Holden is still impressively durable when maintained properly.
Its mechanical simplicity is a major advantage, and most issues are predictable, age-related and well understood within the classic Holden community.
Most EH problems today are:
- rust-related
- age-related
- wear-related
- maintenance-related
The EH Holden represents a key moment in Holden’s history — the transition from early post-war design into something more modern, more refined, and more performance-oriented.
