Z20DTH GM Z20DTH

Модульний 4-циліндровий двигун з турбонаддувом, відомий своєю ефективністю та надійністю при правильному обслуговуванні.

Brand: General Motors Type: Diesel Configuration: Inline-4 Production Years: 2004 - 2010 Production: Kaiserslautern, Germany
3 Brand engines
2 Modifications

Technical Specifications

Engine Displacement 2.0 L (1,991 cc)
Configuration Inline-4
Number of Cylinders 4
Valves per Cylinder 4
Power 150 л.с.
Torque 315 Н*м
Cylinder Bore 86.00 mm
Piston Stroke 86.00 mm
Compression Ratio 18.0:1
Firing Order 1-3-4-2
Fuel System Common Rail Direct Injection
Aspiration Turbocharged
Turbocharger Garrett GT1749MV
Intercooler Yes
Maximum RPM 4,000 rpm
Max Torque RPM 2,300 rpm
Valve Train DOHC
Timing Drive Belt
Timing belt replacement interval 120,000 km
Block Material Cast Iron
Head Material Aluminum
Lubrication System Wet sump
Cooling System Liquid cooling

Additional Information

Engine Family GM Family II
Manufacturing Plant Kaiserslautern, Germany

Maintenance

Engine Oil Capacity 5.4 L (with filter: 5.7 L)
Recommended Viscosity 5W-30
Oil Standard ACEA C3
Recommended Brands Mobil 1, Castrol Edge, Shell Helix
Oil Change Interval 15 000 km or 12 mo
Oil Filter 93185674
Air Filter 93185675
Replace every 60 000 km
Fuel filter 93185676
Cabin Filter 93185677
Spark Plugs
Coolant Capacity 8 L
Coolant Type G12 (GM Dex-Cool)
Coolant Change Interval 240 000 km
Thermostat Opening Temperature 88°C
Operating Temperature 90°C
Max Operating Temperature 110°C
Critical Temperature 120°C
Annual Maintenance Cost 600-900 USD

Reliability

Reliability rating: 7/10

Expected lifespan: 250 000 km

Common problems

Problem Severity Mileage Repair cost
EGR valve clogging Medium 80000-120000 km $300-500
Turbocharger failure High 100000-150000 km $1000-1500

Known defects

  • Injector seal leaks
  • DPF clogging

Warranty extensions

  • Extended warranty for turbocharger issues up to 7 years/100000 miles

Tuning potential

Tuning potential: Medium | Max. safe power: 230 hp

Stage Power Torque Method Cost
Stage 1 180 hp 380 Nm ECU remap only
Reliability impact: Minimal
$400
Stage 2 200 hp 420 Nm ECU, Downpipe, Intake
Required: Upgraded intercooler, ECU remap
Reliability impact: Low
$1500
Stage 3 220 hp 450 Nm -
Required: Bigger turbo, Upgraded fuel system
Reliability impact: Medium
$5000

Popular modifications

Tuning limitations

  • Stock internals limit power increase
  • DPF removal required for higher stages

Cars with the Z20DTH engine

This engine was fitted to 1 model

Photo Brand Model Generation Production years
No photo
Cadillac BLS BLS 2006 - 2010

All modifications (2)

Vehicle Generation Modification Power Gearbox Drive
Cadillac BLS BLS 2.0 Turbo Diesel 180 л.с. 6-МКП 4x4 180 hp 6-МКП 4x4
Cadillac BLS BLS 2.0 Turbo Diesel 180 л.с. 7-Автомат 4x4 180 hp 7-Автомат 4x4

Interesting Facts

  • The Z20DTH engine was also used in several Opel models.
  • It was one of the few diesel engines offered by Cadillac in Europe.

Applications

Total produced: unknown

Vehicle Generation Years Power Markets
Cadillac BLS 2006-2009 2006-2009 150hp Europe

Compatible transmissions: 6-speed Manual, 6-speed Automatic

Drive types: FWD

Fuel Economy

Fuel Type Diesel
Consumption (City) 7.5 L/100km
Consumption (Highway) 5 L/100km
Consumption (Combined) 6 L/100km
Real Consumption 6.5 L/100km
Fuel Tank Capacity 60 L
Range 1,000 km
Cost per 100 km 8-10 USD

Emissions Standards

Emission Standard Euro 4
CO₂ Emissions 160 g/km
Particulate Filter (DPF) Present
Regeneration every 100,000 km
AdBlue Not Required

Comparison with competitors

Engine Brand Displacement Power Torque
M47D20 BMW 1,995 cc 163 hp 340 Nm
DW10BTED4 Peugeot 1,997 cc 136 hp 320 Nm

Pros

  • Good fuel economy
  • Decent torque output

Cons

  • Common issues with EGR and turbo
  • Limited tuning potential compared to competitors