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Nissan Frontier Transmission Questions

27 messages,  Last post on Nov 16, 2009 at 4:01 PM

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#7 of 27 Re: 1999 Frontier SE 4X4 stick [frstar] by asa Nov 26, 2007 (3:19 pm)
Replying to: frstar (Nov 20, 2007 10:47 am) Reads like a tranny problem, but the first thing that crosses my mind is the tranny gear oil. As a sidelight, the current generation Frontiers have API GL-4 SAE 75W-85 or 75W-90 specified and the oil MUST be GL-4 only. Owners have been 'upgrading' to GL-5 gear oils and have reported sluggish shifting. Supposedly GL-5's also have friction additives which are hard on synchro surfaces in gearboxes not designed for such. Be sure you have the prescribed oil in your gearbox (I do not know what the '99s require).   The season change has also brought cold mornings and I recall that my old Toyota was reluctant to get into gear when it was cold. When the tranny warmed up, all was well.   Just some thoughts for you. Hope they might help. Replies to this message: jaredn (Nov 29, 2007 7:50 am) asa (Nov 29, 2007 9:47 am) jaredn (Nov 30, 2007 6:12 pm)
#8 of 27 Re: 1999 Frontier SE 4X4 stick [asa] by jaredn Nov 29, 2007 (7:50 am)
Replying to: asa (Nov 26, 2007 3:19 pm) hope you don't mind if i pick your brains, I have a 2000 frontier, 2wd desert runner. I'm having a similar problem to that posted earlier: alot of resistance when i try to put it in gear- reverse being the worst, then first. Mornings are the worst, but its also anytime the engine is is at a strong idle. Now also, even when i have the clutch pedal completely depressed and i'm first gear stopped at a light, i have to keep my foot on the brake because my truck creeps forward. any thoughts-might it just be oil viscosity? or does it sound like a bad master or slave? thanks for any help Replies to this message: asa (Nov 29, 2007 9:47 am) jaredn (Nov 30, 2007 6:12 pm)
#9 of 27 Re: 1999 Frontier SE 4X4 stick [jaredn] by asa Nov 29, 2007 (9:47 am)
Replying to: jaredn (Nov 29, 2007 7:50 am) I wish I knew more about transmissions. If your truck creeps forward even while the clutch pedal is depressed, I think you're right on your master or slave cylinder guess. Fortunately, they're both fairly easy to replace/repair (I replaced the master cylinder on my old car without trouble and I'm not a skilled mechanic).   The reluctant shifter is more puzzling, but I'd take the cheap route first and replace the tranny oil and see if that helps. People often say 'oh, it's your synchros going bad', but unless yout truck has been abused or has a bazillion miles on it, I'd have a hard time jumping on the synchro bandwagon without more research. One last thought on this. My old '86 Toyota 5-Speed truck was shifting badly at one point and the dealer replaced a simple metal ring that the shifter handle assembly rested on. Over time, it had simply worn down. If lifting your shift handle a bit while you shift helps, you may have the same situation.   Again, I wish I knew more. Thanks. Replies to this message: jaredn (Nov 30, 2007 6:12 pm)
#10 of 27 Re: 1999 Frontier SE 4X4 stick [asa] by jaredn Nov 30, 2007 (6:12 pm)
Replying to: asa (Nov 29, 2007 9:47 am) thanks for the pointers, i'll start with the tranny oil and go from there. and i too am not a skilled mechanic so hearing from you gives me the guts to try it out thanks again
#11 of 27 Re: 2007 nissan frontier crew cab transmission [sayan] by strvmarv Dec 05, 2007 (6:12 pm)
Replying to: sayan (Oct 25, 2007 12:44 pm) Sayan,   I'm having similar issues with my 2004 Frontier Crew Cab SC...it's very inconsistent in occurrence but is unfortunately getting worse. Sometimes when cornering the transmission will slip and once it catches the gear will slam on the drivetrain . Just bought it...has only 32000 miles . I'm taking it in to the dealer tomorrow in hopes they will find a solution and hopefully one covered by either the factory warranty or extended warranty. I'll post my results...maybe it will help out other Frontier enthusiasts...   Paul
#12 of 27 Stiff RideStiff Ride by frstar Jun 08, 2008 (4:06 am)
How much do the torsion bars affect the ride. This is a 1999 Frontier 4X4 V6?
#13 of 27 trans. shifting problems by dwfrontier Jun 21, 2008 (7:47 pm)
i have a 2002 nissan frontier auto v6. it shifts into overdrive to much.it want maintain speed. it slows down when pedal is steady and shifts to overdrive and repeats over and over. only does it when warmed up. can fix it when turned off for awhile. want go faster than 65 when having problems (high rpms)4000 seems like want shift out of overdrive to 5th. causing sub 10mpg. with this mpg i could be driving a dodge duelly
#14 of 27 2005 Frontier 2WD by lars284 Aug 20, 2008 (9:20 am)
I have a 2005 Frontier 2wd and my problem is it shifts into 1 & 2nd ok but will not shift into any other gears. It was fine no shifting problems before this happened. I just shut it off and when I got back in then only had the 2 gears,. Any idea's.
#15 of 27 2008 Frontier 6 speed transmission hard to shift by najawa Nov 17, 2008 (5:02 pm)
I had trouble with the transmission making a crunching sound when I shift. After 4 trips to the Nissan dealer, they put in a new transmission. It still makes a noise and doesn't shift easy. Anyone else have this problem or any problem with their Frontier? Thanks, Replies to this message: asa (Nov 22, 2008 2:04 pm)
#16 of 27 Re: 2008 Frontier 6 speed transmission hard to shift [najawa] by asa Nov 22, 2008 (2:04 pm)
Replying to: najawa (Nov 17, 2008 5:02 pm) The 6-Speed in my '06 shifts beautifully so far (18,000 Miles). The only obvious thing I can think of is the manual transmission gear oil -- it is ESSENTIAL that you use ONLY a GL-4 lubricant not a GL-5!   GL-5's are synthetics and contain an additive package which eats into soft metal parts like synchronizers and is to be used only in GL-5 designated gearboxes. GL-5s are not an upgrade for GL-4 transmissions. I confirmed this with a petroleum engineer friend (yep, for real) and with personal experience with an old car I have and it too grinded when I stupidly changed to a GL-5. When I went back to a GL-4 (Royal Purple Max-Gear) in the old car the grinding immediately went away.   Be sure that a previous owner or the dealer didn't screw up and put a GL-5 in the gearbox. Good luck!

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