• Nissan Patrol GU – ZD30DDTi 3.0L 4-Cylinder Turbo Diesel | 2006–2018

✅ Engineered specifically for GU Patrol ZD30DDTi crankcase system

How It Works: The ProVent separates oil mist from crankcase gases before they enter the intake. Cleaned air is recirculated, while captured oil can be drained or returned to the sump. This prevents oil from mixing with EGR soot and creating the sludge that's notorious for causing problems in ZD30 engines.

Key Features:

• 98% oil separation efficiency — cleaner intake and combustion
• Prevents oil and soot entering clean air intake
• Protects turbocharger, EGR, and intake system
• Protects turbo and intercooler — prevents oily residue that reduces cooling
• Cuts intake manifold sludge — avoids power loss and rough running
• Reduces smoke, odour, and soot
• Regulates crankcase pressure — mitigates excess blow-by
• Extends engine life — keeps valves, pistons, and turbo cleaner
• Minimizes oil consumption
• MANN+HUMMEL filtration media
• Drain tap for oil collection
• Optional return line to sump

💡 Why This Matters: EGR mixes exhaust soot with oil vapour from blow-by, creating sludge that coats the intake manifold. This chokes airflow and causes power loss, higher fuel use, and potential damage over time. The ZD30DDTi is particularly sensitive to this contamination. The ProVent prevents oil vapour from mixing with EGR soot, protecting your intake system and extending engine life—critical for this engine.

The ZD30DDTi needs extra protection. The GU Patrol's ZD30DDTi engine is a capable workhorse, but it's sensitive to intake contamination. Oil vapour from blow-by mixes with sooty EGR gases, creating thick sludge that coats everything in your intake system—a problem the ZD30 is particularly prone to.

Benefits:

• 🌿 98% oil separation efficiency — professional-grade protection
• 💨 Cuts intake manifold sludge — avoids power loss and rough running
• 🔥 Protects turbo and intercooler — prevents oily residue that reduces cooling
• ⚙️ Cleaner intake and combustion — maintains optimal performance
• 💰 Regulates crankcase pressure — mitigates excess blow-by
• 🛡️ Reduces smoke, odour, and soot
• 🚀 Extends engine life — keeps valves, pistons, and turbo cleaner
• 📉 Prevents power loss and higher fuel consumption

💡 ZD30 Protection: The ZD30DDTi has a reputation for being sensitive to contamination. Oil vapour mixing with EGR soot creates a perfect storm for intake problems. By stopping the oil vapour before it can mix with EGR gases, the ProVent prevents the expensive intake cleaning and component issues many ZD30 owners eventually face. Essential protection for this engine's long-term health.

ProVent Ultimate Catch Can:

• Oil Separation: 98% efficiency
• Filter: MANN+HUMMEL media
• Drain tap for oil collection
• Optional return line to sump for closed-loop operation
• Integrated crankcase pressure regulation
• Engineered specifically for GU Patrol ZD30DDTi crankcase system
• Built for Australian conditions

Performance:

• Prevents intake sludge and EGR contamination
• Protects turbocharger and intercooler
• Cuts intake manifold buildup
• Maintains valve and piston cleanliness
• Regulates crankcase pressure
• Reduces smoke, odour, and soot
• Minimizes oil consumption

• MANN+HUMMEL ProVent catch can
• GU Patrol ZD30DDTi-specific mounting bracket
• Complete hose and fitting kit
• Drain tap assembly with hose
• Optional sump return line components
• Mounting hardware (bolts, washers, nuts)
• Spring clamps and cable ties
• Installation guide

✅ Vehicle-specific components for direct fitment on GU Patrol ZD30

Recommended: Competent qualified mechanic

DIY Time: 2–3 hours

Installation Notes:

• Mounts in engine bay
• Connects to ZD30DDTi crankcase ventilation system
• Drain tap routed for easy access
• Optional return line to sump can be configured for closed-loop operation
• All hoses and fittings included
• GU Patrol-specific brackets for direct fitment

Important: Detailed installation guide included. Can be installed independently or as part of a comprehensive protection package. Professional installation recommended if not experienced with automotive work.

Maintenance Schedule:

• Check oil level every 5,000–10,000 km
• Drain collected oil via drain tap when needed
• If using sump return line, oil automatically recirculates
• Replace filter element every 40,000 km (replacement elements available)
• Inspect hoses and connections during regular services

💡 Pro Tip: The ZD30DDTi benefits greatly from regular ProVent maintenance. Check and drain the catch can regularly—this simple maintenance prevents the expensive intake system cleaning that many ZD30 owners eventually require. Keep your Patrol breathing clean and running strong.

Q: Will this void my Nissan warranty?

A: No. Aftermarket protection devices don't void warranty under Australian Consumer Law. This kit protects your engine without interfering with factory components.

Q: Why is the ZD30DDTi particularly vulnerable to intake contamination?

A: The ZD30DDTi has a reputation for being sensitive to contamination. Its EGR system introduces sooty exhaust gases into the intake, and when this mixes with oil vapour from blow-by, it creates thick sludge that accumulates quickly. The ZD30 is more prone to this than some other engines, making a catch can essential protection.

Q: What are the symptoms of EGR sludge buildup in a ZD30?

A: Common symptoms include reduced power, increased fuel consumption, rough idle, excessive smoke (especially on startup), poor throttle response, and in severe cases, limp mode or check engine lights. The ZD30 can also develop rough running and misfires when intake contamination becomes severe. Prevention is much cheaper than cleaning or replacing contaminated components.

Q: How does the ProVent prevent these problems?

A: By capturing 98% of oil vapour BEFORE it enters the intake system, the ProVent prevents the oil from mixing with EGR soot. Clean air (without oil) can handle the soot much better—it doesn't stick and build up like oily sludge does. This keeps your intake manifold, intercooler, and valves clean.

Q: How often do I need to drain the catch can?

A: Check every 5,000–10,000 km. The ZD30DDTi can produce moderate amounts of blow-by, especially as it ages or if it's been worked hard. If you've configured the optional sump return line, oil automatically recirculates and you rarely need to drain manually.

Q: Does the ProVent return oil to the sump automatically?

A: The kit includes components for an optional sump return line. You can configure it to either: (a) collect oil in the catch can for periodic draining, or (b) return clean oil back to the sump automatically for closed-loop operation. Your choice based on preference.

Q: Can I install this myself?

A: If you're mechanically competent and comfortable working with hoses and brackets, yes. Most DIYers complete installation in 2-3 hours using the included GU Patrol-specific brackets. Otherwise, any qualified mechanic can handle it. A detailed installation guide is included.

Q: Will this improve performance on my ZD30?

A: While not primarily designed for performance gains, keeping your intake system clean helps maintain optimal engine efficiency. By preventing sludge buildup, the ProVent helps your ZD30 maintain factory performance levels—especially important as the engine ages. Many owners report smoother running and better throttle response.

Q: What happens to my turbocharger without a catch can?

A: Oil vapour coats the turbocharger compressor wheel with a sticky film. Over time, this reduces efficiency and can cause imbalance. The ZD30's turbo is vulnerable to this contamination. The ProVent keeps the compressor wheel clean, extending turbo life—critical protection for this engine.

Q: How often should I replace the filter element?

A: Replace the MANN+HUMMEL filter element every 40,000 km. Replacement elements are readily available. This is a simple maintenance item that ensures continued high performance.

Q: What is MANN+HUMMEL media?

A: MANN+HUMMEL is a world-leading manufacturer of filtration systems, supplying OEM filters to major automotive manufacturers. Their filtration media is engineered for maximum efficiency and longevity—professional-grade quality.

Q: Can I use this with other protection systems?

A: Yes! Many GU Patrol owners run both a fuel pre-filter (or post-filter) AND a ProVent catch can for comprehensive protection. They protect different systems—fuel filtration protects your injectors, while the ProVent protects your intake system. Comprehensive protection for the ZD30.

Q: Is this suitable for towing and heavy loads?

A: Absolutely essential. The GU Patrol is a serious touring and towing machine. Heavy loads increase blow-by and make oil vapour separation even more critical. The ProVent is built for exactly this kind of work—protecting your ZD30 under all conditions.

Q: What about intercooler cleaning?

A: By preventing oil vapour from entering the intake, the ProVent dramatically reduces intercooler fouling. Many ZD30 owners without catch cans find their intercoolers eventually need professional cleaning—an expensive service. The ProVent prevents this problem before it starts.

Q: Will this reduce smoke from my ZD30?

A: Yes. By preventing oil vapour from entering the intake and mixing with EGR gases, the ProVent reduces the causes of excessive smoke—especially the blue/grey smoke on startup that ZD30 engines can develop. This is one of the most noticeable benefits for ZD30 owners.

Q: Does this help with rough running or misfires?

A: By keeping the intake manifold and valves clean, the ProVent helps prevent the rough running and misfires that can develop when carbon and sludge build up. While it won't fix existing contamination, it prevents future problems from developing.

Q: How much oil typically collects?

A: The ZD30DDTi typically collects moderate amounts—perhaps 100-200ml between services depending on driving conditions and engine condition. Higher mileage engines or those used for towing may collect more. This is actually a good sign—it shows how much oil vapour the ProVent is keeping out of your intake system.

Q: Is this built for Australian conditions?

A: Yes! Direction-Plus™ engineering means this kit is specifically designed for Australian conditions—extreme heat, dust, corrugations, and the serious touring and towing the GU Patrol is famous for. Built for the way Aussies actually use their Patrols.

Q: Should every ZD30 have a catch can?

A: Given the ZD30's sensitivity to intake contamination and the expense of dealing with EGR sludge buildup, most experts consider a catch can essential protection for this engine. It's one of the best investments you can make for long-term ZD30 health.

• 💳 All major cards accepted
• Buy Now, Pay Later: Afterpay • Zip • Humm • Klarna
• ✓ Free Express Shipping Australia-Wide
• ✓ Fast dispatch — most orders ship same or next business day
• ✓ Tracking included with every order