I have Chevy Blazer 97 model and just found out that I will need to
replace the oil cooling lines. Can someone tell me the steps how to
change these and maybe the difference in the cost if having it fixed in
Remove the air filter box, this allows you better access
to the lines at the rad. Remove the small clips that retain
the steel hose ends at the radiator, and remove the hose
ends from the rad.
Now, lift up the vehicle, remove the large plastic cover that
has the access panel for the oil filter. If you have a skid plate
under the front diff, remove it. remove the bolt that retains
the upper cooler line and you can slide it out from the bottom.
Might as well re-install the new one at this point.
Remove the bolt that holds the lower cooler lines to the
oil filter adapter. Remove a small 10mm head bolt that
secures a strap around the cooler lines at the oil pan.
Now you will need a long 3/8 inch extension (about 30 inches)
and a 13mm flex socket. Put the extension between the
oil pan and the lines, then reach up with your hand by
the adapter at the rear of the block and put your socket
on the end of the extension. Now put the socket on
the bolt and remove the bolt. The cooler line is loose
now and ready to come out...but you will find that
the space between the front diff and oil pan is not
large enough to get the hose out. Put a large pry
bar between the oil pan and front diff and pry the
engine over. It will move over on the mounts just
enough to slide out the cooler line. Reverse the
procedure to get it all back together.
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