Opinions on Transmission Fluid Changes - The 1947 - Present Chevrolet & GMC Truck Message Board Network

SourTooth307 · 10-16-2014, 01:04 PM

The fluid in my 84 K/10's trans is dark and recently I've noticed a weak shift from 1st to 2nd under light throttle. I've been hearing some conflicting opinions on whether or not changing the fluid is good or bad. I have heard fluid FLUSHES are to be avoided, but I'm talking about a new pan gasket, new filter, and letting as much of the fluid that wants to drain out to drain out. Then replacing what came out with fresh fluid. Should I go ahead and do the trans service or is it best to be left alone to not ruin any existing seals inside the trans?

10-16-2014, 01:04 PM	#1
SourTooth307 Registered User Join Date: Feb 2014 Location: Lodi, NJ Posts: 166	Opinions on Transmission Fluid Changes The fluid in my 84 K/10's trans is dark and recently I've noticed a weak shift from 1st to 2nd under light throttle. I've been hearing some conflicting opinions on whether or not changing the fluid is good or bad. I have heard fluid FLUSHES are to be avoided, but I'm talking about a new pan gasket, new filter, and letting as much of the fluid that wants to drain out to drain out. Then replacing what came out with fresh fluid. Should I go ahead and do the trans service or is it best to be left alone to not ruin any existing seals inside the trans? __________________ My Wheels: 1984 Chevrolet K/10 Scottsdale 350cid SOLD 1989 Cadillac Fleetwood Brougham d'Elegance 307cid 2015 Chevrolet Silverado 1500 LT Texas Edition 5.3L 4x4



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