BUICK, CHEVROLET, GMC, HUMMER

PIP4013D

2015-04-22 · NHTSA 10114479

车型关联可作为查阅线索；具体发动机、生产范围和软件条件请核对厂商资料。

厂商摘要

以下为英文原文

This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles with a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0300. After performing all published Service Information diagnostics and a solution has not been made technician should perform the "Cylinder Leakage Test" procedure in SI and document all leakage rates on the repair order. If a leaking intake valve is found, replace the cylinder head and valves by following the latest versions of 07-06-01-018 (Regular Production Option Code LL8 4.2L), 06-06-01-017 (Regular Production Option Codes L52, LK5) and 07-06-01-019 (Regular Production Option Codes LLR, LLV). Before replacing the cylinder head, review the latest version of PIP3940.

仅当厂商、通报编号、发布日期和完整摘要一致时，重复登记才会合并展示，原始编号仍予保留。旧资料继续供查阅；确认明确替代关系后才标示后续版本。1994 年以前的车辆关联与默认结果分开显示；未注明年款不等于适用于所有年款。