Super rebuild kit for 1997-2003 GM 4L60E: overhaul kit, high energy frictions, steels, band, bonded pistons, pump bushing and a deep-pan filter.
If your 1997-2003 Silverado, Sierra, Tahoe, Yukon, Suburban, S10 or Camaro has started slipping into 3rd, flaring on the 1-2 shift or taking a long time to grab Drive once it is warm, the 4L60E is usually past the point where a fluid change helps. This super rebuild kit is meant for the full teardown: it carries the overhaul gasket and seal set plus every wear item that normally sends a rebuilder back to the parts counter in the middle of the job, so the unit can be stripped, inspected and put back together from one box.
The 4L60E gets its four ratios from a pair of planetary gearsets held and driven by clutch packs, a 2-4 band and two one-way sprags. Every clutch pack is a stack of lined frictions and plain steels squeezed by a hydraulic piston. The overhaul set restores the sealing side of that system: gaskets, O-rings, the Teflon sealing rings that carry oil into the rotating drums, and the lip seals. The high energy friction module and steel module rebuild the packs themselves, the high energy 2-4 band rebuilds the holding member for 2nd and 4th, and the 3-piece bonded piston set replaces pistons whose separate rubber seals tend to harden with heat. The pump bushing supports the converter hub and the deep-pan style filter catches what the new parts shed while they bed in.
Rule out the cheap faults first. A worn pressure control solenoid gives harsh or soft shifts and code P0748 without anything being wrong inside the clutch packs, and a worn valve body can cause converter slip and P0741. Scan for codes, check fluid level and condition, then pull the pan. Heavy lining flakes and brass or steel debris in the filter mean a pack or bushing has failed and a rebuild is the honest fix. Our 4L60E common problems guide walks each symptom back to the part that causes it. If the codes point at the EPC solenoid instead, the 1994-2003 pressure control solenoid is the much smaller repair.
This kit is listed for GM 4L60E transmissions built from 1997 through 2003. That window covers the later case and harness style, but GM changed parts inside the unit more than once, so check the build date and the ID tag on the case before ordering. Look at your pan too: the included filter is the deep-pan style, and a shallow pan needs a different filter. Two wheel drive and four wheel drive units share the internals covered here but use different tailhousings and output parts. If you are not sure, send us the year and VIN and we will check it, or browse the full 4L60E parts collection for 1993-1996 and 2004-up kits.
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Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
No. It is listed for 1997-2003 4L60E units. 2004-up transmissions use different parts in several places, so use a 2004-up kit from our 4L60E collection or send us the year and VIN.
No. It covers the overhaul seals and gaskets, frictions, steels, 2-4 band, three bonded pistons, a pump bushing and a deep-pan style filter. Drums, the sun shell, planets and the converter are inspected and replaced separately if worn.
Dexron VI ATF. Prime the pump and the converter on install, then check the level hot with the engine running as the service procedure describes.
The original pistons use separate rubber seals that harden with heat and age. A leaking piston loses apply pressure, which feels like a slipping clutch even with new frictions. Bonded pistons have the seal molded on, so they install without rolling a lip.
The rest of the kit applies, but the included filter is the deep-pan style. Either fit a deep pan or buy the matching shallow-pan filter separately.
