The most popular and used truck engine from Volvo is Volvo D12, which has been in factory production from 1993 to 3006. Volvo has high-quality, safe, and durable parts, so this truck runs worldwide for various purposes. D12 was launched quite a while ago and has become one of the top among various 12-liter diesel engines.
Despite being in production for decades, the D12 Volvo engine has problems. So what are the D12 Volvo engine problems? Well, here we will discuss the issue of Volvo D12 engines and how to fix them and more important information. Please read on and stay with us.
Volvo V12 Engine Reviews:
Volvo is a famous heavy-duty truck manufactured in 1928 in Sweden. Not only does it have low emissions features, but also drivers can easily handle this truck.
Mainly, the Volvo D12 has an inline 6-cylinder 12-liter diesel engine. This engine also has electronically controlled unit (ECU) injectors and a turbocharger. So far, Volvo has had four generations of machines: D12A, D12B, D12C, and D12D. The D12A engine’s power and torque are 309 kW and 2100 Nm, respectively. Actually, the Volvo D12 is a heavy-duty engine. Generally, it has a single-overhead-cam engine.
The D12D features a new fuel delivery design and Volvo’s EMS engine management system. It has a new fuel delivery design and Volvo’s EMS engine management system for optimal combustion and reduced emissions. The D12 features an overlapping cylinder head, four valves per cylinder, and overhead camshafts.
Besides, it’s a superior charge-air cooler to maintain the engine’s advanced electronic control system and induction air temperature. The engine meets UK, US, and European Union emissions requirements. With the D12, very little smoke is emitted. This is why it is good for the environment.
Specifications Of Volvo D12 Engine
| Engines Type | Diesel |
| Power output Kw at RPM | 309 at 1700 |
| Power output hp at RPM | 420 at 1700 |
| Displacement, cc | 12100 |
| Number of cylinders | 6 |
| Valves | 24 |
| Torque output Nm/rpm | 2000 at 1050 |
| Compression | 18. 1:1 |
| Cylinder bore, mm | 131 |
| Piston stroke, mm | 150 |
| Configuration | Inline |
| Fuel type | Diesel |
| Fuel system | Direct injection |
| Turbine | Turbo/ charge air cooler |
| Cylinder head | SOHC/OHC |
What Is The Volvo D12 Engine Rebuilt Cost?
A rebuild isn’t bad or cheap, but cheaper than purchasing a new engine or truck. Nonetheless, before considering the actual remodeling cost, you should consider the time cost. An engine rebuild can cost about two weeks of downtime if you don’t have a backup car.
Your rebuild cost can be very costly if you are a commercial driver. You can rent an alternative vehicle, but you must consider that cost. Hence, if you afford downtime, the rebuilding costs will depend on what you do and where you want to go. Based on your preference, the rebuilding cost will be low and high.
How To Check D12 Volvo Engine Problems?
Adequately, Volvo D12 engine problems include engine misfiring and engine stalling. These can come from idling, turbo, or coolant system malfunctions. Besides, these problems can be caused due to faults in the battery, alternator, wiring, and fuel system. Faulty injectors or EGR problems are not uncommon with these engines. Let’s discuss these problems in detail:
Engine Misfiring:
For some reason, the engine misfiring occurs. Have a look:
Idling Problem:
When the engine is running, you may notice the idle is choppy or the engine warms up quickly. Sometimes, there is a severe case, like a reverse blast.
When the ignition system produces sparks too late, this often results in high engine temperatures and exhaust pipe explosions. If it’s not burned in time, the engine will be full of gasoline, damaging your car.
Turbo Problem:
Your engine will fail due to your truck’s turbo bearing, valves, charge pipeline, control components, and input and output elements. Slow throttle response is the most common symptom in turbocharged engines. Typically, it happens when there is a problem with the vehicle’s fuel system.
Furthermore, excessive smoke and a warm engine are other signs of turbo damage, especially the crack in the worn seals and house. This motivates fuel to leak into the exhaust system, extensively boosting the smoke from the car’s exhaust. Blue smoke can indicate a worn valve seal or piston ring.
Coolant System problems:
The most common fault with the Volvo D12 engine is a leaking cooling system. In most cases, air entering the cooling system can overheat the engine. As the coolant leaks through the hole, the air is drawn in through a gap. When air enters, it creates “bubbles.” And it can prevent coolant from reaching the motor and ultimately cause overheating.
Likewise, condensate coolant also describes why the engine runs abnormally. This occurrence usually happens in winter when the temperature falls, causing the cold liquid to condense.
Engine Stalling:
When you notice your engine is not working or isn’t starting correctly, that means you have a problem:
Battery Malfunction:
Any Volvo car’s consumption unit and management are powered by a battery. Subsequently, if you want to start your Volvo car engines, this battery must work properly. The battery needs to work correctly to start the Volvo engine. A lousy charger is the culprit if you can’t turn the ignition on.
Similarly, it is essential to remember that a car battery or charging capacity will degrade over time. Eventually, it won’t be able to provide enough power to drive the car. Any battery comes with a particular shelf life. Most battery manufacturers state that the maximum lifespan of a car battery is five years.
Ignition Faulty:
You can’t start your car if the ignition switch is damaged. Even when your Volvo uses this switch or push-button key, check why this engine isn’t running. A broken circuit can cause problems from a broken key or a damaged lock. Moreover, you should clear or program your Volvo key; if you don’t do that, your engine won’t start.
Broken Wiring:
After running your Volvo D12 for a long time, its wiring may break due to a strong impact. Still, it can be eroded by dirt and water. A telltale sign indicates a problem: the dashboard lights up, but the engine does not run.
Fuel Problems:
Adequate, If you don’t supply enough fuel, the engine will not work. Notably, It can be the reason for clogging old filters or fuel pumps. Basically, if your car is moving slowly, your fuel pump will take some gasoline to cool, resulting in adding air.
Finally, your fuel pump will overheat and cause damage to the fuel system. Due to this reason, your Volvos D12 engine fuel economy will increase. And also, this will eventually be an obstacle to working the engine.
How To Fix Volvo D12 Engine Problems?
We know that Where there is a problem, there is a solution. Let’s learn the solution to the Volvo D12 engine problem.
Regularly Check Car Parts
If you check your car regularly, you will able to find any problems easily and you will able to solve the problems also. Accordingly, you need to charge your battery regularly until it is complete. Similarly, make sure it’s not entirely draining. A discharged battery can cause the vehicle to stall while driving, putting you and bystanders at risk.
Check the warning lights on the dashboard regularly. Keeping them flashing or illuminated always means you should check certain parts for timely repairs. Usually, when you see the fuel warning light coming on, you should immediately fill your automobile with gas. In contrast, when the coolant leaks, you should replace it. Always choose the best coolant to increase your Volvo D12 engine life.
Visit Auto Service Station:
You can go to an auto dealer or car service center to check if there is a problem. Thus, if you need to learn about service center locations, you can check the Volvo web service.
In particular, if the idle, turbo, battery, or wiring system is damaged, it’s best to call a mechanic to fix it. Although you should spend some money, you can solve all your engine problems.
FAQ (Frequently Asked Questions):
Q. How much horsepower does a Volvo D12 have?
Volvo D12 peak torque is the same as before at 1650 ft-lb. Ultimately, the Volvo D12 hp is at 465 hp from 1500 to 1825 rpm.
Q. How many liters is a Volvo D12 engine?
Volvo is now introducing its new D12 heavy-duty 12-litre marine diesel engine. Therefore, it comes with complete electronic control, the first of a new generation of engines for heavy commercial operations.
Q. Is the Volvo D13 a good engine?
The second best image from Volvo is the Volvo D13 engine. The D13 is widely recognized as the most versatile engine in its class. It comes in different HP configurations like 406hp, 425hp, 435hp, 455hp, 500hp, and 375hp. And it’s some torqued are 1450lb-ft, 1450lb-ft, 1550lb-ft, 1650lb-ft, 1750lb-ft, and 1850lb-ft respectively.
The D13’s hauling capabilities are designed to meet and exceed expectations. Typically, it boasts not only power but also fuel efficiency. With a curb weight of 2605, the D13 is the most efficient engine in its class. It’s because it can save money and is more economical to carry loads.
Final Word
On the other hand, this is the blog post where you can learn about Volvo D12 engine problems. When you notice any above issues, your engine won’t work properly and not run correctly. Here we have given the reasons.
But when you notice any signs of the problem, you should inspect it immediately. Overall, it’s best always to check the engine equipment and pay attention to any abnormal symptoms to fix them. At last, it will also be best to visit an auto service center to get complete service.