Description

Chrysler 42LE Technical Manual – ATSG (A-606) Transaxle Overhaul Guide

I’ve had more than a few phone calls from guys who thought they could swap a valve body on a 42LE without checking clutch clearances. That’s how you toast a $4,000 transaxle. This Chrysler 42LE Technical Manual is the only reference you need when you’re inside one of these units. 103 pages of ATSG-compiled data, extracted from Chrysler’s own engineering. It covers from identification to hydraulic flow charts. For a complete list of compatible Chrysler transmission manuals, browse our shop collection.

Page 4 shows the bar code label location and lists in-vehicle serviceable components like input speed sensor, output speed sensor, and chain cover. The index alone tells you where to find bearing pre-load (page 46), clutch clearance (page 49), and the full specifications chart on page 101. No out-of-date copy-paste forum torque values here.

If you plan to pull the pan on a 2000s LH‑platform car, you need this open on your bench. Don’t play guess‑torque.

Identification and Operation: What the Manual Covers

This transaxle is different from the A‑604 – it mounts north‑south, with two separate sumps for transmission fluid and differential fluid. The manual devotes a full opening section to identification (page 4) and adaptive control strategy. It explains how the computer uses real‑time feedback from input and output speed sensors to shift the planetary gear set. You also get the list of serviceable parts that don’t require pulling the whole unit: stub shafts, speed sensors, chain cover. That’s a time‑saver if you’ve done a few of these.

Basic Checks and In‑Vehicle Service

Stub shaft seal replacement starts on page 20. Valve body removal on page 22. Trans‑axle removal on page 30. I’ve chased oil leaks caused by someone skipping the seal replacement procedure because they “knew better.” The manual shows you the exact orientation of the seal and the tool needed. If you’re also doing the A‑604, grab the A-604 manual as well — but don’t cross parts between them.

3 Critical Sections for the DIY Mechanic

Bearing pre‑load on page 46. Clutch clearance on page 49. Input shaft end play on page 61. These three measurements separate a rebuild that lasts from one that fails in 10,000 miles. Don’t confuse this with a standard Manual Transmission rebuild — a 42LE transaxle uses chain drive to the pinion shaft and requires precise pre‑load on tapered roller bearings. The manual gives you the dial indicator setup and the exact feeler gauge thickness for each clutch pack.

What Torque Specs Are Listed?

Page 101 is the specification sheet. Bell housing bolts, valve body bolts, pump support shaft — every fastener that matters is called out in ft‑lbs. I’ve seen stripped aluminum cases because someone used a generic torque from a Google search. This manual also includes hydraulic flow charts (page 100) so you can trace pressure drops during solenoid operation. Even if you’re experienced with Manual Transmission surgery, the electronics in this unit demand precision. Reference our 42LE troubleshooting guide for common fault codes.

Get the Right Data for Valve Body Removal

Valve body removal starts on page 22. The manual shows the exact bolt pattern and sequence. One wrong bolt in the wrong hole creates cross‑leakage that causes weird shift patterns. I’ve seen it happen. After you pull the valve body, the manual walks you through teardown of the transaxle – drum assembly (page 54), rear housing (page 64), differential checks (page 70). Check other ATSG manuals for similar units. But for the 42LE, this is the only doc you need on the bench.

Source Authenticity – ATSG vs. Aftermarket

ATSG isn’t a third‑party reprint house. They license OEM data from manufacturers like Chrysler. Their technical directors have decades of field experience. The manual says it was compiled from industry sources known for reliability. I’ve used ATSG booklets for years – the drawings match factory service manuals, and the torque values are consistent with Chrysler TSBs. You won’t find generic “may fit” diagrams here.

Does this manual include wiring diagrams?

No. This is a transaxle mechanical/hydraulic manual. For electrical, see the factory service manual.

This manual says ATSG – is it OEM?

ATSG is an independent transmission service group that compiles information from OEM sources. While not a Chrysler factory manual, it uses Chrysler illustrations and data. It has been the standard reference for transmission rebuilders for decades. I have used it myself for years, and it has saved me from making expensive mistakes. The bearing pre‑load and clutch clearance specs are exact.

What years does the 42LE cover?

The manual covers all 42LE (A-606) units from introduction through the late 1990s, including LH platform cars like the Chrysler Concorde, Dodge Intrepid, and Eagle Vision.

Can I use this for the A-604?

No. The 42LE is longitudinally mounted; the A-604 is transverse. While similar in electronics, the mechanical layout differs significantly. Get the A-604 manual separately.

Stop relying on guesses. Access the Factory Manual now and keep it open on your bench.