Josh's Chassis Repair/Build - Page 3 - Nissan-Navara.net
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post #21 of 60 (permalink) Old 10-09-16, 05:59 PM Thread Starter
I'm now in 4th gear with power to spare!
 
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Hi Gents, great info on both accounts thanks!

Just to clarify two points with one bit of info... The road was steeeep! Not just an uphill lane but sit you back in your seat looking at the sky type steep.... Hence with the weight of the loaded trailer I had to rev truck/be smoother with the truck compared to normal sharp on/off.... And hence at the steepest part on a junction hard to see out of and with the clutch already having had a bit of slippage (due to user... Me) I decided to use 4lo..... Again I don't use this on Tarmac if I can help it but living in Devon have a couple of clients that a truck and trailer can't deal with without low torque... Hense getting Navara to replace van. I know using 4wd on Tarmac is a no no.... I try not to use it unless necessary

Thanks again guys.... Keith if the chain has not stripped cogs can it be tightened or replaced or if it is the case is it swap transfer case???

2006 Navara D40 manual basic model. 3" suspension lift and 285/75r17

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post #22 of 60 (permalink) Old 10-09-16, 06:16 PM
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As I said, it's worth checking the oil level in the transfer box first to see if that has anything to do with the chain slipping. It would be great if that was the only problem there. If yu do have to fix the transmission, experience tells me that it's cheaper (and easier) to fit a used box than trying to fix your existing one.

Fingers crossed for you
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post #23 of 60 (permalink) Old 10-09-16, 06:34 PM Thread Starter
I'm now in 4th gear with power to spare!
 
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Originally Posted by lookskyward1 View Post
As I said, it's worth checking the oil level in the transfer box first to see if that has anything to do with the chain slipping. It would be great if that was the only problem there. If yu do have to fix the transmission, experience tells me that it's cheaper (and easier) to fit a used box than trying to fix your existing one.

Fingers crossed for you
Thanks Keith.... Will check oil/remedy but keep an eye out for replacement. Is eBay best or are their reconditioners?

2006 Navara D40 manual basic model. 3" suspension lift and 285/75r17

Countrified, Bonafide, Worldwide, can say I've tried!
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post #24 of 60 (permalink) Old 11-09-16, 11:51 AM
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I'm now in 4th gear with power to spare!
 
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Quote:
Originally Posted by JB21CAM View Post
Hi Gents, great info on both accounts thanks!

Just to clarify two points with one bit of info... The road was steeeep! Not just an uphill lane but sit you back in your seat looking at the sky type steep.... Hence with the weight of the loaded trailer I had to rev truck/be smoother with the truck compared to normal sharp on/off.... And hence at the steepest part on a junction hard to see out of and with the clutch already having had a bit of slippage (due to user... Me) I decided to use 4lo..... Again I don't use this on Tarmac if I can help it but living in Devon have a couple of clients that a truck and trailer can't deal with without low torque... Hense getting Navara to replace van. I know using 4wd on Tarmac is a no no.... I try not to use it unless necessary

Thanks again guys.... Keith if the chain has not stripped cogs can it be tightened or replaced or if it is the case is it swap transfer case???
If you're often using low range simply for the gearing advantage, my first advice would be to go trade your truck on an auto. The torque converter is your friend.

As that advice isn't realistic, have you considered a manual hub conversion? This gives you a "lock" and "free" mode on the front wheels (you have to get out and manually change each wheel). When in "free" the wheels are not engaged with the 4WD system and you can use low range whenever you like, effectively in 2WD.

This used to be a really popular conversion here so I presume NP300 kits exist.
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post #25 of 60 (permalink) Old 11-09-16, 12:04 PM
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Free-wheeling hubs are a good idea and are available for the D22 but we've not seen them for the D40 or the NP300, the standard wheel centres are too small to accommodate them.
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post #26 of 60 (permalink) Old 11-09-16, 02:13 PM Thread Starter
I'm now in 4th gear with power to spare!
 
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Free-wheeling hubs are a good idea and are available for the D22 but we've not seen them for the D40 or the NP300, the standard wheel centres are too small to accommodate them.
So am I doing wrong then? I feel stuck between a rock and a hard place.... Over reving engine/slipping clutch, or using 4lo and risking transmission wind up.... (Towing heavy loads)

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post #27 of 60 (permalink) Old 11-09-16, 09:26 PM
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So am I doing wrong then? I feel stuck between a rock and a hard place.... Over reving engine/slipping clutch, or using 4lo and risking transmission wind up.... (Towing heavy loads)
That is a very good description of the dilemma we are in when towing heavy trailers on steep solid surfaces.

First gear is slightly too tall and it is far too easy to stress the clutch when pulling away. I have to admit to using 4wd to get a heavy load moving on my steep drive to the roadway, I have a sharp turn on the road so any tension tends to spin out on one of the front wheels as it scrabbles for grip. Once on the straight and level I will return to 2wd and reverse a wee bit to undo any tension in the driveline.
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post #28 of 60 (permalink) Old 11-09-16, 09:30 PM Thread Starter
I'm now in 4th gear with power to spare!
 
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In future I'll be sure to reverse her each time. Taking her to inlaws tomorrow will keep you all posted.
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post #29 of 60 (permalink) Old 12-09-16, 07:00 PM Thread Starter
I'm now in 4th gear with power to spare!
 
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Soooooo... I'm a jammy buggar! We checked all the oil levels which were fine as was the front diff. Took my father and father-in-law (both mechanics and engineers) out for a spin off-road to diagnose noise etc. Sounded like it was transfer case related and clacked going forward as well as back and turning as well as straight. Took it back to garage and took front prop off.... Found out I had a broken UJ joint on the back of the prop shaft in front of the transfer case. Replaced that and then took it for another test drive, low and behold all 4wd is working fine and no horrid noises. I escaped easy!!! 53.00 part.

Thanks for all advice guys

2006 Navara D40 manual basic model. 3" suspension lift and 285/75r17

Countrified, Bonafide, Worldwide, can say I've tried!
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post #30 of 60 (permalink) Old 12-09-16, 07:17 PM
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Wow, that is a get out of jail card. Well done and what's the lottery numbers this week.
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