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GB/T 18344-2025 English PDF

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GB/T 18344-2025: Specification for the inspection, diagnosis and maintenance of motor vehicle
Status: Valid

GB/T 18344: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 18344-2025English389 Add to Cart 4 days [Need to translate] Specification for the inspection, diagnosis and maintenance of motor vehicle Valid GB/T 18344-2025
GB/T 18344-2016English130 Add to Cart 0--9 seconds. Auto-delivery Specification for the inspection and maintenance of motor vehicle Valid GB/T 18344-2016
GB/T 18344-2001English519 Add to Cart 3 days [Need to translate] Specification for the inspection and maintenance of motor vehicle Obsolete GB/T 18344-2001

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Basic data

Standard ID GB/T 18344-2025 (GB/T18344-2025)
Description (Translated English) Specification for the inspection, diagnosis and maintenance of motor vehicle
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard R16
Classification of International Standard 43.180
Word Count Estimation 19,140
Date of Issue 2025-06-30
Date of Implementation 2026-01-01
Older Standard (superseded by this standard) GB/T 18344-2016
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 18344-2025: Specification for the inspection, diagnosis and maintenance of motor vehicle

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National Standard of the People's Republic of China ICS 43.180CCS R 16 Technical specifications for automobile maintenance, inspection and diagnosis Released on June 30, 2025 2026-01-01 implementation State Administration for Market Regulation The National Standardization Administration issued Replaces GB/T 18344-2016

Table of Contents

Preface Ⅲ 1 Scope...1 2 Normative references 1 3 Terms and Definitions 1 4 Classification and cycle of automobile maintenance 2 5 Vehicle Maintenance Operation Requirements...2 6 Quality Assurance...11 Appendix A (Informative) Recommended Maintenance Cycles for Level 1 and Level 2 Maintenance of Road Transport Vehicles 12 Appendix B (Informative) Secondary Maintenance Operation Flowchart...13 Appendix C (Informative) Secondary Maintenance Completion Quality Inspection Record Sheet...14 References 15 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document replaces GB/T 18344-2016 "Technical Specification for Maintenance, Inspection and Diagnosis of Automobiles". Compared with GB/T 18344-2016, In addition to structural adjustments and editorial changes, the main technical changes are as follows. a) Added operator requirements for daily maintenance, primary maintenance and secondary maintenance (see 4.1); b) The factors for determining the intervals between primary and secondary maintenance periods have been modified (see 4.2.3, 4.2.2.1 of the.2016 edition); c) Added basic requirements for vehicle maintenance operations (see 5.1); d) Changes have been made to the daily maintenance work items, work contents and technical requirements (see 5.2, 5.1 of the.2016 edition); e) The basic operation items, operation contents and technical requirements for Level 1 maintenance have been modified (see 5.3, 5.2 of the.2016 edition); f) Modified the post-processing requirements for the second-level maintenance completion quality inspection (see 5.4.1.4, 5.3.1.5 of the.2016 edition); g) Deleted the requirement on the validity period of verification or calibration of measuring instruments and equipment used in secondary maintenance inspection (see the.2016 edition). 5.3.1.6); h) The inspection items and technical requirements specified before Level 2 maintenance have been modified (see 5.4.2, 5.3.2.1 of the.2016 edition); i) The basic operation items, operation contents and technical requirements for Level 2 maintenance have been modified (see 5.4.3, 5.3.3.1 of the.2016 edition); j) Deleted the execution requirements for the basic work items of Level 2 maintenance (see 5.3.3.2 of the.2016 edition); k) The technical requirements for the Level 2 maintenance process inspection items have been modified (see 5.4.4, 5.3.4 of the.2016 edition); l) Modified the second-level maintenance completion quality inspection items, technical requirements and inspection methods (see 5.4.5, 5.3.5 of the.2016 edition); m) Added technical requirements for testing instruments used in secondary maintenance (see 6.1); n) The entity that issues the motor vehicle repair completion certificate has been changed (see 6.2, 6.1 of the.2016 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed by the Ministry of Transport of the People's Republic of China. This document is under the jurisdiction of the National Technical Committee for Standardization of Automobile Maintenance (SAC/TC 247). This document was drafted by. Highway Research Institute of the Ministry of Transport, Henan Transportation Development Center, Guiyang Transportation Service Center Center, Chongqing Road Transport Affairs Center, Sichuan Provincial Department of Transportation Road Transport Administration Bureau, China Automobile Maintenance Industry Association, and Chang'an University. The main drafters of this document are. Liu Fujia, Xu Shuquan, Chen Chaozhou, Wang Ping, Yang Xiaojuan, Tang Xuning, Zhang Jinrui, Chen Zhangpeng, Geng Limin, Yu Xiao, Niu Guangyu, Chen Hao, Song Chen, Zhang Lele, Guo Zhongqing, Gao Congcong, Wang Anqiang, Hu Xueying, and Chen Ying. This document was first published in.2001, revised for the first time in.2016, and this is the second revision. Technical specifications for automobile maintenance, inspection and diagnosis

1 Scope

This document specifies the levels and cycles of vehicle maintenance, maintenance work requirements, and quality assurance. This document is applicable to the maintenance of in-use vehicles that use gasoline or diesel as fuel, and is used for reference by trailers. 2 Normative references The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB 3847 Diesel Vehicle Pollutant Emission Limits and Measurement Methods (Free Acceleration Method and Loaded Deceleration Method) GB/T 5624 Automobile Maintenance Terminology GB 7258 Technical conditions for motor vehicle operation safety GB/T 8226 Road Transport Terminology GB 18285 Gasoline Vehicle Pollutant Emission Limits and Measurement Methods (Dual Idle Method and Simple Operating Condition Method) GB 38900 Motor Vehicle Safety Technical Inspection Items and Methods 3 Terms and Definitions For the purposes of this document, the terms and definitions defined in GB/T 5624, GB 7258 and GB/T 8226 and the following apply. 3.1 car A non-track-borne vehicle driven by power and having four or more wheels, mainly used for. --Carrying people and/or cargo (articles); --Vehicles used to tow and carry goods (articles) or vehicles for special purposes; --Special assignments. [Source. GB 7258-2017, 3.2, modified] 3.2 trailer Unpowered road vehicles designed and manufactured to be towed by a car for normal use on the road, mainly used for. --carrying cargo; --Special assignments. Note. Includes drawbar trailers, center axle trailers and semi-trailers. [Source. GB 7258-2017, 3.3, modified] 3.3 Daily maintenance Maintenance operations centered around cleaning, replenishment, and safety performance checks. [Source. GB/T 5624-2019, 6.1.5.1]

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