by starspangled6.0 [OP] » Oct 27 2012, 1:07am
by WrensLawnCare » Oct 27 2012, 1:30am
by starspangled6.0 [OP] » Oct 27 2012, 1:34am
by WrensLawnCare » Oct 27 2012, 1:46am
by Z15 » Oct 27 2012, 12:19pm
Allison Transmission Fluid Leak
By Blog Post on March 1, 2010 11:00 PM| No Comments
During cold weather, a small, red fluid leak may be noticed on some 2001-2010 Silverado and Sierra 2500HD-3500HD series models equipped with the Allison LCT1000 transmission (RPO M74, MW7). The fluid leak may be at the back of the transmission by the vent.
This condition may be caused by fluid being discharged out of the transmission vent during extreme cold weather (approximately -15Â°F or -25Â°C or colder), at which point DEXRONÂ® VI and other conventional transmission fluids become extremely viscous.
When the viscous fluid is circulated into the vent area, it becomes trapped and is not able to drain back to the pan. As the transmission warms up, the expansion of the air inside the transmission can force the trapped fluid out of the vent, leading to small drops of fluid being discharged.
To correct this condition, remove the stock vent assembly and run an external tube (Fig. 2, A) and vent (remove the top of the vent assembly) (Fig. 1) up to the front of the transmission to a mounting bracket. (Fig. 2, B)
by manicmechanic1961 » Oct 27 2012, 12:52pm
by Hartski » Oct 27 2012, 1:22pm
by starspangled6.0 [OP] » Oct 27 2012, 5:12pm
by dmaxfireman » Oct 28 2012, 12:23am
by starspangled6.0 [OP] » Oct 28 2012, 2:00am
It is currently Aug 30 2016, 11:30pm
|SHOP TALK (Live Chat)|
|Transmission and drivetrain related components. Discuss automatic and manual trans repairs and performance or talk about driveshafts or rear-ends and differentials. Diagnostics of 4-speed, 5-speed, or even 6-speed transmissions.|
To create a new topic in Transmission/Drivetrain, click this button:
|Previous topic Next topic|
|Share this topic|
Users browsing this forum: Google Search Appliance and 17 guests
|Sitewide News Sitemaps & Feeds|