TECH SERVICE BULLETIN: 1984-01 Jeep Cherokee (Sport) & 1992-98 Grand ...
Short summary:
DONMAR Sunroof Tech Manual © Copyright 1996-2002 DONMAR Enterprises, Inc. Page . 12 TECH SERVICE BULLETIN: 1984-01 Jeep Cherokee (Sport) & 1992-98 Grand Cherokee Ribbed Roof Install Many sunroof ...
Long summary:
DONMAR Sunroof Tech Manual
© Copyright 1996-2002 DONMAR Enterprises, Inc.
Page .
12
TECH SERVICE BULLETIN: 1984-01 Jeep Cherokee (Sport) & 1992-98 Grand Cherokee Ribbed Roof Install
Many sunroof techs are concerned about installing sunroofs in Jeep Cherokees because they have ribbed roofs.
Cherokee ribs are only 3/16" high x 1-1/2" wide. While most sunroofs are designed to clamp to flat sheet metal, this
bulletin explains various techniques for making sunroof installation possible and relatively easy.
Similar height ribs may interfere with a sunroof install in the Jeep Liberty, Chevy Astro, GMC Safari, and in the rear
sections of many full sized SUVs.
I. Metal Frame Sunroofs
In order to accommodate the added thickness of the ribs, longer clamp frame screws or peeling one score off a
clamp frame may be required. Install as normal, with any of the following options:
A. Use CS-105 (3/8" x 7/16" D-shaped foam seal) as main frame sealant
1. Measure and cut sunroof hole as usual
2. Apply self-adhesive CS-105 to sunroof frame (approx. 9 ft. per sunroof).
3. Join CS-105 ends at a 45° angle (not a butt joint). Apply sealant to the joint.
4. Clamp sunroof into hole as usual. No cleanup is required.
B. Use non-corrosive silicone sealant to fill between the ribs.
1. Measure and cut sunroof hole as usual
2. Apply a bead of silicone in between the ribs to fill the gap
3. Apply a bead of silicone to sunroof frame (in place of butyl or foam tape)
4. Clamp sunroof into hole as usual. Longer screws may be required on some sunroofs.
5. Cleanup is required. Neatly smooth and feather the silicone around the sunroof frame.
NOTE : shims can be helpful, but are not required - metal frames will not twist out of shape
II. Composite Frame Sunroofs [see illustrations]
Composite frames are not as rigid as metal, and tend to twist inward when installed in ribbed or thick roof skins.
Use silico ...
Source: www.donmar.com
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