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Here are the common culprits: Refrigerant Leaks: If there’s a leak in the refrigerant line, the pressure will naturally fall, activating the lockout feature. This leak could be anywhere— from the coils to the line sets connecting the indoor and outdoor units. Faulty Sensors: Your AC system uses sensors to monitor pressure.
27 de nov. de 2004 · 3083 posts · Joined 2004. #1 · Nov 27, 2004. When I'm cruising down the road at whatever speed in whatever gear,my torque converter doesn't seem to be locking up. I'm going about 2k rpm in OD at about 55-60. When I give it gas, the rpms go up but the truck doesn't move much faster, like its slipping.
1000, 2000, 2400 Automatic Transmission Lock-Up Torque Converter Diameter: 13.50" Bolt Circle To Bolt Circle: 11.50" Mount: 6 Threaded ; 10mm x 1.5 Hub: Milled Flats Pilot: Diameter 1.703" Splines: 25 Stall: 1900-2100 Codes: 211, 29530318, 29538348, 29538529, 29541293, 29543003, 29543017, Green or Yellow Sticker Notes: Billet Cover
The Allison Lock-Up and Pressure Controller for Chevy Duramax pick-ups delivers up to 275psi line pressure inside the transmission, giving 25% to 115% more theoretical holding power and help prevent burned up clutches - a great way to increase the longevity of the Allison transmission for towing, street and race applic
27 de abr. de 2007 · Here’s a case in point. A 2001 2WD Chevrolet 1500 with a 6.6L diesel engine and an Allison 1000 transmission was returned to a transmission shop. The transmission had been overhauled recently and the customer’s complaint was a cycling TCC, or what he described as a lockup surge. A scan check of the vehicle found no codes.
You can see in Joh's answer that he addressed this as well. His opinion is that it is connected to torque management relative to the 1-2 shift. Next spring I will test that theory. Note that this ONLY applies to Allison 1000M used in motorhomes. Allison 1000s in other applications may not operate this way.
Allison 1000 & 2000 Gen 4 Fault Codes: P0873 Transmission Pressure Switch Solenoid E Circuit High. CIRCUIT DESCRIPTION: The Pressure Switch Manifold (PSM) is a multiple-switch assembly made up of three normally open (N/O) and one normally closed (N/C) pressure switches. The E pressure switch monitors E shift valve positioning and relays it to ...
