The 2.2-liter Opel X22DTH or LL9 diesel engine was produced from 1998 to 2000 and was installed only on a couple of company models, the Frontera SUV and the Sintra minivan. After modernization in 2000, the diesel engine began to comply with EURO 3 and received the Y22DTH index.
X diesel family: X17DTL, X20DTL, X20DTH, X22DTH.
Specifications
| Production years | 1998-2000 |
| Displacement, cc | 2171 |
| Fuel system | direct injection |
| Power output, hp | 115 |
| Torque output, Nm | 260 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 84 |
| Piston stroke, mm | 98 |
| Compression ratio | 18.5 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | no |
| Turbocharging | yes |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 6.1 |
| Fuel type | diesel |
| Euro standards | EURO 2 |
| Fuel consumption, L/100 km (for Opel Frontera 1999) — city — highway — combined |
11.2 7.2 8.7 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 195 |
The engine was installed on:
- Opel Frontera B (U99) in 1998 – 2000;
- Opel Sintra A (APV) in 1998 – 1999.
Disadvantages of the X22DTH engine
- The main problems for the owner are the frequent airing of the fuel system;
- Relatively many breakdowns happen here in the electrical part of the Bosch VP44 injection pump;
- On the specialized forums, many cases of crankshaft failure are described when driving in tightness;
- Drying of the gaskets under the nozzles leads to the ingress of lubricant into diesel fuel;
- Even before 100,000 km you will encounter contamination of the EGR valve or particulate filter.
Frequently asked questions about the Opel X22DTH
How much power does the Opel X22DTH make?
The Opel X22DTH develops 115 hp and 260 Nm of torque.
How much oil does the Opel X22DTH take and which one?
Engine oil capacity: 6.1 liters. Recommended oil: 5W-40.
Does the Opel X22DTH have a timing belt or chain?
The Opel X22DTH uses a timing chain.
Is the Opel X22DTH turbocharged?
Yes, the Opel X22DTH is turbocharged.
Does the Opel X22DTH need valve clearance adjustment?
No, the Opel X22DTH has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Opel X22DTH last?
The typical lifespan of the Opel X22DTH is ~300 000 km with proper maintenance.
What is the fuel consumption of the Opel X22DTH?
Opel Frontera 1999: city 11.2, highway 7.2, combined 8.7 L/100 km.
What cars was the Opel X22DTH installed on?
Opel Frontera B (U99) in 1998 - 2000; Opel Sintra A (APV) in 1998 - 1999.
What are the common problems of the Opel X22DTH?
The main problems for the owner are the frequent airing of the fuel system. Relatively many breakdowns happen here in the electrical part of the Bosch VP44 injection pump. All known problems.





