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Old 07-19-2019, 04:39 PM   #8
Long & Winding road
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Brand: Thor Motor Coach
Model: 2017 Axis 25.4
State: Arkansas
Posts: 2,669
THOR #12231
Why do you say "5 star.... is not the answer". I hear lots of good things about 5 star.... esp what it does for the tranny shifting.

It wont cure all your problems but it sounds like it might help??

I have not pulled the trigger yet for my E450 but its on my short list. I will post update on what I think about the shifting once I do so.

On smaller (but multiple hills) on the interstates.... I will let the RV speed up (if road is straight) going down the hill (like 75 + mph) to use the momentum for the next hill. Then I back off the throttle slowly until it gets down to about 65 mph, tranny may or may not shift (depending on how steep and long the hill is) but most of the time its just one gear .... so around 3000 RPM.

If the hill is much steeper (or longer) it will down shift again but usually im only doing 60 mph so the RPMs are at or below 4K. Then I repeat.

Its kinda fun but kinda a PITA if its more than 50 - 75 miles. But you get use to when they tranny likes to down shift so I try to keep the RPM's low enough to keep shifing to a minimum as I go up the hills.

On super steep (and curvey) you dont have this option. Do what they suggested above.

I sometimes will put the tranny in N to get out of that super low gear then put it back into D or D4. If the hill is not too long this works well.

But if super long you may need all of the trannies help to save your brakes.
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2017 Axis / 25.4: Big Foot Levelers, Aims 1200 Watt inverter, Ceramic Window Tint, Full River AGM 6V batteries, Front Hellwig Sway bar / Rear Track Arm, Safe T Plus Steering Stabilizer, PD 4655 converter, Hard Wired Surge Guard, WEboost + WiFi Ranger, LED Headlights/Driving lights, TPMS, Surge tank, Tornado flush, Viair Compressor
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