1989 Chevy Silverado 1500 Oil Cooler Diagram Theme Route The 4l60e transmission cooler line flow is very easy to follow. as the gif above shows, the bottom line is the hot line which sends warm transmission fluid out to the factory trans cooler within the radiator at the lower port in most cases. fyi, some vehicles have the factory cooler on the bottom of the radiator, but simply follow the lower. Thanks transman, i knew you could find it!!! like. k. katjar503. 215 posts · joined 2010. #7 · oct 7, 2010. flow goes like this, out bottom hose to the radator out of the radator to trans cooler (preferd hot to the top cooled out the bottom) then back to the top line of the trans. transman. like.
Chevy Oil Cooler Lines Diagram Start engine while engine is cold. depress brake pedal, place transmission in drive for no more than 10 seconds. stop engine. identify oil return line by feeling both oil lines (3&4). coolest line is oil return line. method 2 (requires an observer) – check oil flow direction (fig c) fig. place container under oil line (3) and disconnect oil. Below is a basic silverado and sierra transmission cooler line diagram showing the standard hot (send) and cool (return) lines as the flow through a factory cooler setup. so whether you have a 4.8, 5.3, or 6.0 ls powered truck , an older 5.7 small block, or a more modern truck with an lt motor, the transmission cooler flow is very similar. When installing the new gasket, it helps to insert the bolts so that they protrude past the cooler housing by 1 4 in. or so that lets you 'hang' the gasket from them so that the gasket will be aligned properly. then push the bolts through and hand thread them to the block. (2) bolts are 10mm. 6l80 transmission cooler flow direction. the transmission fluid low of the 6l80 goes as follows: bottom line leaving the transmission to lower radiator port. lower radiator to upper radiator port out to external transmission cooler. external transmission cooler to upper transmission cooler line port. if you do not have an external transmission.
Chevrolet Silverado 1500 Automatic Transmission Oil Cooler Hose When installing the new gasket, it helps to insert the bolts so that they protrude past the cooler housing by 1 4 in. or so that lets you 'hang' the gasket from them so that the gasket will be aligned properly. then push the bolts through and hand thread them to the block. (2) bolts are 10mm. 6l80 transmission cooler flow direction. the transmission fluid low of the 6l80 goes as follows: bottom line leaving the transmission to lower radiator port. lower radiator to upper radiator port out to external transmission cooler. external transmission cooler to upper transmission cooler line port. if you do not have an external transmission. Shop our pre bent transmission cooler lines for chevrolet gmc trucks 1988 98, blazer and suburban 1992 99. oil cooler line disconnect tool chevy models. 1500. Nechevyowner discussion starter. 61 posts · joined 2017. #1 · jan 2, 2020. i have a split in one of my factory oil cooler lines on my 1995 gmc sierra k2500 with 5.7 v8. i am going to replace both lines this weekend. the lines going into the oil filter at the block, push into female fittings that use plastic retaining clips.
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