towing in 5th???

[Sir Roofy]

i towed a 600+kg pop top camper with a load of probably 500kgs on tray along with two full tanks of diesel in the old girl,she didnt miss a beat doing 5000ks with some mighty hills,on which i was back to 4th ,and then if i pulled 5th going down the other side,i would drive/ accelarate all the way to the bottom,thus not allowing the weight to load the box,diff etc with foward twist/ torque,which apparantly puts more load than anything!?---i think it all comes down to driving smart and listening to your engine!!!----does anyone agree???????????

well after reading all this fantastic advice
it still comes back to common sence and listening to your motor
and driving to the conditions of your loaded vehicle yes id agree with you

[stock patrol]

It's pretty much all explained in the links, cobber.

There was a small production run of 5 Speed boxes where the splines were not fully machined for 5th gear. Obviosly it took a while for the failures to occur and when the did Nissan replaced the faulty components.

I think the problem was very late 90's to very early 2000's but not exactly sure

All was OK prior and since

a friend of mine has a gu 4.5 petrol. she isnadament that they told her not to put it into 5th below 80klh. is this right. mine is 2002 series 2 does this one have the crook box

[bundy4127]

Can't see why you would want to risk it. If 4th is bullet proof, why wouldn't you use it.

[ilovebeer]

great...i got the 2000 model and am pulling a 12x5 trailer that will be loaded up to its 2t capacit...I dont wanna be driving 4100km's to Darwin in 4th gear?

Has it been a problem towing in 5th ? as I have a 2000 mdl aswell and looking at doing some big ks with about a couple of ton at least, is there anything I can check before I drive? I had a navara that I towed a trailer in 5th for about 5 years with no probs,

[ilovebeer]

Is gearbox different in 2000 4.2 diesel to 2004 4.8 petrol? my mate tows in his 4.8 in 5th no probs , do I need to look out in the 4.2?

[bazz61]

gidday, ive towed a 2 ton van plus my dx ute 2000 4.2 non turbo was loaded to 400 kgs, from Vic to Wa , i found in 5th it overheated, i used 5th only in tail winds, or down hill, havn't had any problems yet, heading to Pilbara when it cools down a bit , towing in 4th i sit on 80 to 90 and don't have much power to spare ,ut at least i get there, get about 400ks from main tank, cheers Bazz Margret river

[Boagie]

hey bazz,re it getting hot in 5th...have you had your cooling system flushed and reverse flushed and put some quality coolant in her????

[bazz61]

gidday , yep had system overhauled, still gets hot in 5th , just drive to conditions...

[AB]

Hmm thread dig but I can't find any additional info.

So the story is for me owning a 1990 GQ I do not have the weak 5th spline?

Towing my 2 tonne van I always kept in 4th but with my 4:6 ratios its screaming trying to keep at 100kmh let alone 110. Sweet spot seemed to be at 2600rpm at 90-95kmh but that's a hindrance to traffic. 100kmh was around 2800 and 105, 3000, etc.

I did a test yesterday coming back from the NSW border and 5th gear the whole way back on flats and downhills (some slight inclines) with RPM at 2200-2400 at 100-110kmh and it loved it, temps, EGT's and keeping up with the traffic.

Hoping thats ok?

Obviously read conditions and drop it back on hills, etc but I have never done that towing that kind of weight but it seemed to love it!

Overtaking softy 200 series owner Nomads saving on fuel with their 45 foot van felt good too with the old beast...lol

[Rossco]

Yeah thought about that too, even not towing with increased performance from the old td pretty much pull up even the biggest hills in 5th and must put much more strain on things than standard. Thinking about the 5th gear upgrade from Mark's maybe one day as even in 5th feels like it's legs could be longer at 100 and especially 110. . Think that gives increase in strength i think.

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