Possibly air is getting in the system? Might be worth bleeding it, maybe a pressure test is also required.
__________________
2009 S40 SE Lux 2.0i | 2022 Suzuki V-Strom 650 | 2002 Audi TT 225
Previous: C70 Coupe 2.4i | Saab 9-5 Aero | Daihatsu SporTrak
|