mechohaulic
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Everything posted by mechohaulic
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RB steering box relief valve not working
mechohaulic replied to rickm's question in Mack Truck Q & A
a little more info ? what are reasons for adjustments needed. what unit /type vehicle is this in? -
I'm proud :: I had NOTHING to do with that one; for a change!! LOL
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being a "new " truck '06 i guessing the 3 piece clutch brake assemblies don't exist any more; would be a 1 piece with the tabs that always break/ ware out . then the clutch brake does nothing but rattle around on input shaft and make noise. for it to fall off it may have had the two piece installed at one time and the two roll pins fell out.
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Yellow Mack U model
mechohaulic replied to james j neiweem's topic in Antique and Classic Mack Trucks General Discussion
started looking up freight haulers from new england days gone by. there are a couple of roadway U model pictures and also a number of pics showing the mack N cab . the freight hauler with black/ orange U models was AAA freight. also found ;smith transfer/ new penn/ holmes/ and nelson . short list of many that were there in the good days. -
I take a couple of days "off" only to come back to BMT and see everyone trying to steel my thunder and reputation...LOL how did former bmt members topic get to chainsaws AND fish bait topic. now i'm good at off topic ;; NOT as good as what i'm reading.. LMAO🤣🤣
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Yellow Mack U model
mechohaulic replied to james j neiweem's topic in Antique and Classic Mack Trucks General Discussion
U models "back in the day" were common in new england for freight haulers. navajo /st,johnsbury had them. don't recall seeing wilson freight with them. there was a freighter with black cab/orange logo U's can't remember name. company in torrington ct area ran twin-screw Yellow U's. hauled mostly lumber products. and many more. think that was the purpose behind the U's ; shorter cab length -
That's because when the 673's and others were built, they were made to be a work engines ; unlike todays mechanical nightmares that have to be removed and repaired regularly .
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at my age it's the important things that count ::: can she use a welder or know how to shift a mack quad transmission🙃 LOL ON TOPIC
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Cylinder pressure out intake port
mechohaulic replied to ChallengeDave's topic in Engine and Transmission
but I like to : look at it, feel it; NOT always the smell part 😝, oh wife; jojo says need a computer !! LOL -
I know. i've been thinking of the cyl pressure topic, I may be far off on the jake idea. before the computer crap a shorted jake screwed up 3 cyl not one
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wasn't aware of Your military time ;;THANK YOU for Your service, Sir
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ANOTHER IMPORTANT NOTE:: OFF TOPIC AND I DIDN'T DO IT 😁 , circle back::: the truck wipers of the '50's were better also. LOL
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if your going to go back ;; start at the real goood times::'50's . Doo wop music/'55 -57 chevy/ the real Macks ( no usb plugs). personal attitude way better then today another plus those born in the '70-80's would get a glimpse of the best times they missed.
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Low Mileage 95 CH613 Tri-Axle (Fact or Fiction)
mechohaulic replied to DaveM's question in Mack Truck Q & A
original post states a '95 tri-axle dump with 270 k miles. dumping air while body dumping also has some safety advantages ; the unit is sitting on a more stable "foundation". less tendency for body to rock back and forth . -
NO clarification needed Sir; it's automatic to think a 2000 has computer some where ; wasn't sure if modern technology screwed up the fan clutch also. at 8 + months i wouldn't think conditions would be that bad to clog a fan ;; not saying can't be. also statement says clutch seemed wrong from the get go. don't think it's a warranty now
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Yep ; one of them new fangeled veehikles . the viscous hub was more problematic with old units not working from the bi metal plate being loaded with dirt or missing completely and fan NOT engaging. have seen older ones staying engaged from center pin oxidized in position. a new one (8-9) months old =NO
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rare these days;; common in the good days. understand heat from AC/ radiator ; still go with faulty clutch.
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his statement was fan seems engaged while sitting in line (asphalt plant maybe ) . engine can't be running hot enough for fan then . with AC = there's NO computer involvement here correct??.
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2000 truck ;; fan installed 8-9months ago . they don't have thermostats ? ;; even if it had one, fan clutch when cold shouldn't turn eng belt. gone are the days of installing parts and forgetting them for a couple yrs i guess.
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JoJo when engine cold the clutch shouldn't have enough engagement to turn the belt : yes /no ?? the fan can be moved by hand with some resistance but not turn the belt.. unless pulling opposite tensioner . stilll that's tight
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Low Mileage 95 CH613 Tri-Axle (Fact or Fiction)
mechohaulic replied to DaveM's question in Mack Truck Q & A
1- hrs are high ; could have been situation with major idle time 2- always dump the air when body dumping 3- jake always a plus 4- the big riggers will shift with the jake- mechanically it is not recommended; MANY WILL ARGUE that statement. just passing on what I was told. -
with that info ;i would unfortunately go with faulty fan clutch. cold/ cool engine ; fan clutch should NOT have hold power to turn belt
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It's a challenge JoJo not being there as with many questions. "forever to warm up " ==all day/ first few ?? trying to get better (stay on topic ) . wifes '15 subaru 70 degrees out start car high idle 7-9 minutes . shut it off , wait 20 minutes go to start back high idle.
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when you say "I put a new one on": what time frame are you talking :: week/ day/ yr? engine SHUT OFF and key removed from ignition. can you reach in and turn fan by hand? did the small bi-metal plate fall off front of fan : doubt it did. radiator heat bends the bi metal plate which pushes the pin to let more fluid in fan core thus engaging it which is opposite your situation. when the fan doesn't engage most causes are dirt build up under bi metal plate. back to square 1. if you can not turn fan manually :: WITH ENGINE OFF fan clutch NG.
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Cylinder pressure out intake port
mechohaulic replied to ChallengeDave's topic in Engine and Transmission
have seen/ heard engines try to run when a cyl is in exhaust mode from eng brake shorting out. this is before the computers ran the engine.
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