mcratchet1
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Everything posted by mcratchet1
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I have a 2007 mr688s with a 2-8 blink code which is combustion air temperature? Is it the boost pressure sensor that would cause this ? Thanks in advance
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Just wondering if 75w90 is the right type of gear oil to be using in these diffs I work in northwest Florida 2007 Mack mr688s
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Help with strip threads for belt tensioner
mcratchet1 replied to mcratchet1's topic in Engine and Transmission
Ok thanks, the hole was tapped to fit a heli coil I put one in last night but the bolt for tensioner does not seem to get real tight so I’m worried to death it going to come out. I did not know I could drill a hole bigger in tensioner that might be a great idea heli coil is a 10.5 but od is bigger of course the threaded insert sound better I will try to order some just was wondering if they will last or just do the dang cover thanks for your guys professional help I really appreciate it -
Ok main belt was worn time to change grab tensioner was loose tried to tighten nope bolt pulled out with a heli coil around it sob! My question obviously owners before me fixed it with coil. Don’t know why it failed can I do the same or does some know a better repair ? It’s In the aluminum front cover tensioner #21291243 or is only right way to replace entire front cover thanks for any help
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Ok thanks for help guys, the scribe arrow was right. Thought that was strange but it worked. Installed, bleed air out and she steers perfect thanks again!!
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The pump will not turn enough to align must be the big arrow
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So turn it to that small arrow right
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Ok that means I would have to turn heat pump 180 degrees to align is that ok
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Reman gear has 2 marks but old one only had one and pitman arm only has one! It’s Sunday everything is closed would anyone know the answer please? Which make do I align
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Ok thanks for the information I think I’ll just get the reman and be done with it.
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2007 Mack mr688s gearbox is leaking around shaft area. My question is how bad of a job would resealing it be? Instead of buying a reman for $1200 mack part# 8148592SV5R or does anyone have a rebuild manual on gearbox any help would be greatly appreciated
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Hey guys I have to replace water pump this weekend just wondering if someone knew torque of bolts? It’s a 2007 mr688s 400 aset engine my first time changing this design. I have done several of the 2000,2001 models where pump sets in bracket. Any advice or heads up in would be greatly appreciated thanks!!!
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Ok thanks
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Yes can follower was in good shape thanks
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Sorry it’s a 2007 mr688s aset 400hp
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I had a engine miss every once in awhile and got a blink code 8-2 so I changed #2 pump but that did not help same code and a miss that comes and go. Those 2 wires on pump does it matter which lead they go on pump? Thanks
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$128.00
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Ok changed unloader valves no change at all. Still popping off every 10 seconds. The air compressor was replaced about 3 years ago. I guess it’s time to change again? Does anyone have any other idea what might be causing this type of problem? thanks!!
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My Mack parts guy was able to find an aftermarket just passing info along if anyone needs one too
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Ok thanks I’ll check price on it
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Ok replaced governor, purge valve, air dryer cartridge, and all 3 lines coming over governor. I cannot find any air leaks but no change purge valve pops off every 10 seconds what else am I missing ?
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Ok I replaced air filter cartridge and purge valve will check air lines thanks!!
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Hey I have a 2007 mr688s I know there has to be an aftermarket source on this strange hose instead of paying $240 to dealer any help would be greatly appreciate
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Great question and I’m not sure on so I’m going to replace it now thanks!!
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Also I drain them every night I’m in Florida so still hot here.
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