Chevrolet 1998 Astro Owner's Manual page 280

9. Grasp the bottom of the cover and slide it rearward.
Then, lift it up and out of the vehicle.
If the seal does not release, use the pull strap on the
driver's side above the rear mount.
Installing the Engine Cover
1.
2.
3.
4.
5 .
6 .
Lift the engine cover into the vehicle and slide it all
the way forward. Make sure the rubber seal is over
the latches.
Install the two bolts at the engine cover.
Put the heater duct over the engine cover studs. Push
up on the duct gently until it snaps into place.
Reconnect the electrical connectors.
Install the engine cover extension by gently
squeezing the sides and sliding it into place. Make
sure all of the fastener clips engage and the extension
fits properly in place. Replace and tighten the
two screws.
Install the two nuts to secure the extension in place.
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