Measure the compression

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Compression Measurement

Courtesy of VOLVO CARS OF NORTH AMERICA.

Measure compression with the engine at operating temperature and wide open throttle (WOT)

Normal value B5204, B5254, B5252 MPa 1.3-1.5

Normal value B5234T MPa 1.1-1.3

NOTE:

Engine at operating temperature, wide open throttle (WOT) and starter motor turning at 4.2 - 5.0 r/s (250 - 300 rpm).

Reinstall removed components.