M151a2 Heater

1959 - 1978, M151, M151A1, M151A2, Technical questions and discussions, regarding anything related to the M151.
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Data Plate
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M151a2 Heater

Post by Data Plate » Fri Dec 22, 2017 7:12 pm

Did all M151A2s come with heaters installed?


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Re: M151a2 Heater

Post by Fil Bonica » Sat Dec 23, 2017 6:11 am

No

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Re: M151a2 Heater

Post by Data Plate » Sun Dec 24, 2017 5:13 am

Thanks Fil i guess they based it on where it was going, i heard all came with heaters

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Re: M151a2 Heater

Post by W. Winget » Sun Dec 24, 2017 9:11 am

Heaters came in kit form for refit at motorpool level, possibly at Depot upon arrival in theater where cold weather was anticipated before issue.
I do not think it was a factory option either way, as the factory cranked out the basic model, then the accepting gov agency determined where they were shipped to, which was based on need. This in turn dictated cold weather or such. Hardtops were another kit, as well as extreme cold weather heater kits, MG mount kits, etc. About the only differentiating factory mod would be the recoilless rifle equipped jeeps where actual rear panels were welded in. This was recoilless only as the TOW was a refit kit with I believe depot level affixing a tag to the dash making it an M825 VS. M151 series.
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Looking for 1918 Standard B 'Liberty' truck parts

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Re: M151a2 Heater

Post by Data Plate » Sun Dec 24, 2017 4:17 pm

Winget thanks for the info

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Re: M151a2 Heater

Post by Data Plate » Mon Dec 25, 2017 9:26 am

are the valve covers all the same for all the models

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Re: M151a2 Heater

Post by Rickf » Mon Dec 25, 2017 2:35 pm

Yes they are with the exception of the decals that are put on them.
1964 M151A1
1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone

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Re: M151a2 Heater

Post by markrdje » Mon Dec 25, 2017 3:32 pm

About the heater, this mutt vender told me that is one of the hardest tasks to do in a mutt.I put one in a 151, pretty tight fit, wasn't done in 15 minutes either!!
change user name to mark

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Re: M151a2 Heater

Post by Data Plate » Thu Dec 28, 2017 11:23 am

I heard getting the vents in under the dash is brutal

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Re: M151a2 Heater

Post by Rickf » Thu Dec 28, 2017 1:09 pm

Getting ANYTHING under the dash is brutal and the entire heater system is under the dash.
1964 M151A1
1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone

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Re: M151a2 Heater

Post by W. Winget » Thu Dec 28, 2017 1:40 pm

From memory the -34 (depo level) covers it and provides a template for the vent(s), the -20 (unit level) will only cover parts or the whole unit as a swap out.
I say vent S because there are different periods (early) with a vent on the drivers side, then one on both sides and finally the passenger side only. Perhaps the "both" sided jeep started as an early with a subsequent mod for the passenger side. It's a whole 'nuther' string of investigation, HOT topic :D
V/R W Winget
Looking for 1918 Standard B 'Liberty' truck parts

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Re: M151a2 Heater

Post by Rickf » Thu Dec 28, 2017 3:55 pm

The early 151's with the two cowl vents had the vents regardless of heater installation. The vent on the passenger side was only put there as part of the heater installation as was the slave cable plug. I never saw one with only one vent on the drivers side.
1964 M151A1
1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone


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