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North Alabama Nissan Owners A dedicated forum for the Nissan Owners in North Alabama |
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#1 |
6spd_Hayes
is happy to be on US soil
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2k2 6 Speed Transmission Fix/Upgrade (picture heavy)
Disclaimer: If you attempt any of what you see from my post, you do so at your own risk. The following is a summary of my experience.
The Car: 2002 Maxima SE Transmission: 6 speed, HLSD, RS6F51A Mileage: 174,000 mi. (approx.) Situation: November 1st, 2014. I jumped in the Maxima, running late to a funeral in Tennessee. Pushed clutch to floor and started it. I could not get gear shifter out of third gear no matter how hard I tried. Something was obviously broken in the transmission. After a lot of online research, I purchased a 29,066 mile 6 speed, HLSD transmission from a 2006 Nissan Sentra Spec-V (p/n RS6F51H) from http://car-part.com/. Kindly gentlemen cargo shipped it from a junkyard in Arkansas to my door step in North Alabama for $XXX (will update when I remember it). The following were the only differences in the two transmissions: (1) bellhousings were different, (2) final drive ratio were different (3.812 vs 4.133), (3) Maxima – 1st & 2nd gear dual synchro, SpecV - 1st gear dual synchro, 2nd gear triple synchro. To Do List: (1) DOCUMENT EVERYTHING WITH PICTURES!!! (2) On RS6F51H transmission, swap to Maxima bell-housing (3) On RS6F51 transmission, swap out SpecV final drive for Maxima final drive (4) While I’m at it, install Fidanza Lightweight Flywheel and RalcoZ Lightweight Underdrive Pulley Resources: MT.pdf http://www.nicoclub.com/FSM/Sentra/2006_Sentra/ http://www.nicoclub.com/FSM/Maxima/2002/ Sentra SpecV Transmission As Received: |
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#2 |
6spd_Hayes
is happy to be on US soil
|
Work Setup:
- Set each transmission on cardboard covered work bench side by side (cardboard to protect mating surfaces on transmission and soak up any grease/oil/fluids) - For fasteners, blow up and print out FSM pages and glue to cardboard. Poke fasteners through on board where you take them out of transmission - Take off parts from each transmission at same time, label in Ziploc bag - For large parts, label and place in its own cardboard box - Clean as you go (scrape off gasket material, use acetone/cloth) to clean - Follow both factory service manuals for breakdown/buildup Maxima SpecV |
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#3 |
6spd_Hayes
is happy to be on US soil
|
Maxima Speedo Sensor Block-off Plate
SpecV Speedo Sensor Maxima Transaxel Case Stamp SpecV Transaxel Case Stamp Maxima SpecV Maxima Control Assembly, Sensors, and Case Bolts Removed SpecV Control Assembly, Sensors, and Case Bolts Removed Maxima Transaxel Case Removed (at this point forward, they both look the same) Maxima Spread Spring Debris and Detail Based on the pictures below, it appears the spread spring in the 3rd-4th synchronizer broke and lodged itself in to prevent the sliding action between gears. |
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#4 |
6spd_Hayes
is happy to be on US soil
|
Maxima – Reverse Tilt Mechanism Removed
Maxima – Re-test fitting reverse tilt mechanism (to make sure I understood its reassembly) Maxima – Reverse shift fork and rod Maxima – Reverse Gear Stack Maxima – Re-test fit reverse shift fork Maxima – Shifter bracket Detail |
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#5 |
6spd_Hayes
is happy to be on US soil
|
Maxima – Gear Stacks and Differential
SpecV – Gear Stacks and Differential Maxima – Input, Main, & Reverse Shafts and Axels Maxima – Final Drive & HLSD SpecV - Final Drive and HLSD SpecV – Reverse Gear Set |
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#6 |
6spd_Hayes
is happy to be on US soil
|
New Upgraded Transmission Assembly (SpecV Guts in Maxima Bellhousing)
Cleaned Maxima Bellhousing (Used acetone and cloth) Cleaned Differential Side of Bellhousing Maxima Final Drive and HLSD from SpecV SpecV Reverse Gear Set SpecV Gear Stacks and Maxima Final Drive in Bellhousing Maxima Final Drive Meshed with SpecV Mainshaft SpecV Mainshaft Meshed with SpecV Input Shaft SpecV Input Shaft Meshed with SpecV Reverse Gear Set Detail SpecV Main and Input Shaft SpecV 5th/6th Shifter Fork with Maxima 5th/6th Shifter Fork Rod Detail The SpecV 5th/6th Shifter Fork Rod had a pretty significant burr on it, and wouldn’t actuate properly. So I used the Maxima version. SpecV Check Ball and Spacer for 5th/6th Rod SpecV 1st through 4th Shifter Fork with SpecV Rod Detail SpecV 1st/2nd Shifter Fork Detail SpecV Reverse Bracket Detail SpecV Reverse Shifter Fork Detail SpecV Reverse Tilt Mechanism Assembly SpecV Check Ball and Spacer for Reverse Rod Mechanism Fully Assembled SpecV Guts and Transaxel Case on Maxima Bellhousing SpecV Shifting Mechanism Fully Assembled Transmission on Hoist |
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#7 |
dmcmahan12
Nissan power now!!!
Join Date: Mar 2005
Posts: 222
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Great write up! I wish they made the 7th Gen Maxima with a manual! The CVT sucks!!!
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