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GM6149M

5th Edition, August 1, 2016

Complete Document

Coolant Hose Silicone – Heavy Duty

Includes all amendments and changes through IN4D, August 2016


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Product Details
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Detail Summary

Superseded By: GMW16995

EN
Additional Comments:
INACTIVE FOR NEW DESIGN * USE GMW16995
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Referenced Items:

GM1000M
GM4486P
GM6140M
GM6277M

Product Details:

  • Revision: 5th Edition, August 1, 2016
  • Published Date: August 2016
  • Status: Superseded By:
  • Superseded By: GMW16995
  • Document Language: English
  • Published By: General Motors Company (GMNA)
  • Page Count: 7
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Material Description. This specification covers three (3) classes of straight and formed coolant hose intended for use as radiator hose, heater hose and other flexible conduits for automotive engine cooling systems. Such products are intended to withstand the effects of circulating solutions containing glycols, small amounts of corrosion inhibitors and soluble oils, and operating under various pressure conditions at temperatures from - 55 °C to 204 °C, and to withstand higher temperature environment than hose covered by GMW15024. The hose approved under the GM6149M specification is not recommended for incorporation into crimped coolant hose assemblies, such as those described in GMW16295.

Symbols. Not applicable.

Applicability. Class I, Class II, or Class III may be specified for straight hose. Class II and Class III are applicable to performed hose. Class I only is applicable to hump hose.

Note: See Appendix A, Table A1 for important information regarding bend radii and hose clamps to use with silicone rubber hose.