If it's very cold by you, sometimes ice can develop in the hose supplying vacuum to the brake booster (or check valve). The water could possibly entered the system during your recent service. Just a possibility.
If it's very cold by you, sometimes ice can develop in the hose supplying vacuum to the brake booster (or check valve). The water could possibly entered the system during your recent service. Just a possibility.
If it's very cold by you, sometimes ice can develop in the hose supplying vacuum to the brake booster (or check valve). The water could possibly entered the system during your recent service. Just a possibility.