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Home >> Volvo >> 1982 >> 244 GL, 2.4L Eng VIN 77, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Specifications >> Tune-Up - Diesel >> Engine Compression
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Engine Compression

Disconnect wire at stop valve on injection pump. Remove vacuum pump and pump plunger. Clean fuel delivery pipes, remove pipes, and plug all openings. Remove injectors and heat shields. Place heat shield back in injector opening, followed by compression tester adapter 5191. Connect compression tester and test compression.

COMPRESSION SPECIFICATIONS

Compression Ratio 23.0:1
Normal Compression Pressure 485 psi (34.0 kg/cm2 )
Minimum Pressure 400 psi (28.0 kg/cm2 )
Maximum Variation
  Between Cylinders 70 psi (5.0 kg/cm2 )
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