Parking Brake Pressure Is High
问题：停车制动器驱动压力超出技术规格
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| 可能的部件根源 | 非部件根源 | 如何诊断 | 修正措施 |
|---|---|---|---|
| 停车和辅助制动器继电器阀 | 污染 | 接合与释放停车制动器。 制动器压力应在公差范围内。 如果压力不稳定，确保系统清洁度为 ISO 18/15 或更高级别。 如果 ISO 机油清洁度符合要求但问题仍存在，则更换电磁阀。 如果更换电磁阀后问题仍存在，则更换继电器阀。 | 如果停车制动器压力在公差范围内，则用新的停车和辅助制动器继电器阀进行维修。 确保机油为 ISO 18/15 或更高等级。 |
| 停车制动器电磁阀 | 污染 | 如果停车制动器压力超出公差范围，用新的停车制动器电磁阀进行维修。 确保机油为 ISO 18/15 或更高等级。 |
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