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13th January 2020, 02:24 AM
#1
Expert
ZD30 + RE4 auto ... possible to hold 4th when cruising?
I've never owned an auto before but surely it does not really have to drop back to 3rd & 3500rpm at every little hint of an incline, I have tried using the Hold button next to the gears selector but it doesn't seem to do anything and leaving it in 3rd seemed a bit silly. This car is more powerful than my previous Mazda B2500 which had no problem holding top gear on the same road. I feel that the RE4's top gear is too high. This feeling causes me to ponder the effectiveness of a transfer case reduction to bring the revs up a bit or if it's possible to lock/hold 4th gear some other way I'd love to hear your thoughts. Tyres are stock as far as I know 275/65/17R, pressures are as per the placard. Car empty besides me and my dog and half a tank of fuel.
2008 CRD Auto Wagon
Factory snorkel, flashlube catchcan pro, 3" manta exhaust, hpd boost controller, dyno-tuned & egr deleted
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13th January 2020 02:24 AM
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13th January 2020, 10:19 AM
#2
Patrol Freak
Are you sure it's dropping back to 3rd and not just releasing the lock on the torque convertor in O/D?
Your owners manual should explain the correct use of the Hold & Power positions.
John
2001 GUII TI 4500 - Now converted to TD42T auto with Nomad valve body
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13th January 2020, 10:50 AM
#3
Expert
Originally Posted by
jff45
Are you sure it's dropping back to 3rd and not just releasing the lock on the torque convertor in O/D?
Your owners manual should explain the correct use of the Hold & Power positions.
I'm pretty sure that when the 4th releases it goes to 2700rpm (as oppose to 2300rpm), 3rd is 3500rpm when doing 105ish-KPH. I shall have to read up on the function of the Hold button, I assumed it would Hold gears longer
I've been doing a bit of reading and I think that changing my diff ratios may be the answer possibly 4.1 or 4.3, alternatively I have found a couple of aftermarket transmission controllers available for the RE4 as well.
2008 CRD Auto Wagon
Factory snorkel, flashlube catchcan pro, 3" manta exhaust, hpd boost controller, dyno-tuned & egr deleted
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13th January 2020, 06:29 PM
#4
Patrol Guru
The hold button is to hold second gear, and not start of in first, so in snow or other very slippery conditions, it is supposed to reduce wheel spin.
A torque converter lock up kit, will stop the torque converter from unlocking.
2010 TB4.8, 5 speed auto TI Wagon, Beaudesert ceramic coated Extractors and 2 1/2 inch exhaust, 3inch lift, BP-51 shocks, Black hawk radius arms and drop boxes, Road Runner Offroad billet alloy draglink, Boss air bags, 295/70/17 KM3s, Redarc Gauges, GME XRS UHF, Autometre fuel gauge, Alpine head unit with offroad maps, Carbon winch, Opposite lock bull bar, Light Force Strikers, Safari Snorkel, Duel long range tanks, work in progress.
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13th January 2020, 08:52 PM
#5
Expert
Ah cheers for the info. I'll look into it!
2008 CRD Auto Wagon
Factory snorkel, flashlube catchcan pro, 3" manta exhaust, hpd boost controller, dyno-tuned & egr deleted
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30th January 2020, 11:14 PM
#6
Expert
I've learned that driving without the cruise control in hilly 110kph roads allows me to stay in 4th. The cruise tries too hard to stay at 110kph. My right foot naturally doesn't. Problem solved.
2008 CRD Auto Wagon
Factory snorkel, flashlube catchcan pro, 3" manta exhaust, hpd boost controller, dyno-tuned & egr deleted
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