Jeep J-10 Series 1982 Technical & Service Manual page 982

3A-6 WATER LEAK/WIND NOISE DIAQNOSIS AND REPAIR
(2) Remove headliner, if equipped.
(3) Close all windows, doors and air vents.
(4) Using Listener Tool J-23455-01, perform ultra
sonic test as follows:
(a) Place transmitter in vehicle adjacent to sus
pect area and turn switch on.
(b) Slowly pass listener over each luggage rack
support post, skid strip or sun roof.
(c) Mark any area reading approximately 5 on
the meter as an indication of a possible leak.
(5) Clean suspect area as described above under
Bonding Surface Preparation.
(6) Remove luggage rack support posts, in suspect
area, seal wellnuts or screw holes to body using 3M
Drip-Chek Sealer, or equivalent. Install support posts.
(7) Remove luggage rack skid strips, in suspect
area, and ensure that all moulding clips are correctly
installed, if equipped. Remove sun roof as outlined in
Chapter 3L.
(a) Replace improperly installed or defective
moulding clips.
(b) If necessary, add sealer to ensure a water
tight seal.
(c) Install previously removed skid strips or
sun roof.
(8) Repeat ultrasonic test to ensure that an effec
tive repair has been made.
(9) Install headliner.
Drip Rail
Spray Diagnosis and Repair
(1) Drop headliner in suspect area, if equipped.
(2) Perform the following spray test using guide
lines described under Spray Test above.
(a) Spray water along drip rail, starting at
front of roof.
(b) If necessary, repeat spray test on other side
of vehicle.
(3) If leaks are noted, dry out suspect area as de
scribed above under Bonding Surface Preparation.
•(a) Examine suspect area for small pin holes in
drip rail sealer.
(b) Apply 3M Drip-Chek Sealer, or equivalent,
to drip rail and touch up with matching body color when
sealant is dry.
(4) Repeat spray test to ensure that an effective
repair has been made.
(5) Install headliner, if equipped.
Ultrasonic Diagnosis and Repair
(1) Make sure suspect areas are thoroughly dry. If
an opening or hole is full of water, ultrasonic sound will
be blocked.
(2) Remove headliner, if equipped.
(3) Close all windows, doors and air vents.
(4) Using Listener Tool J-23455-01, perform ultra
sonic test as follows:
(a) Place transmitter in vehicle adjacent to sus
pect area and turn switch on.
(b) Slowly pass listener over suspect area.
(c) Mark any area reading approximately 5 on
the meter as a indication of a possible leak.
(5) Clean suspect area as described above under
Bonding Surface Preparation.
(a) Examine drip rail for small pin holes in drip
rail sealer.
(b) Apply 3M Drip-Chek Sealer, or equivalent,
to drip rail and touch up with matching body color when
sealant is dry.
(6) Repeat ultrasonic test to ensure that an effec
tive repair has been made.
(7) Install headliner, if equipped.
WATER IN REAR PASSEN6ER COMPARTMENT
Rear Floorpan, Side Sills and Rear Wheelhouse Panels
Water can enter at front floorpan-to-rear floorpan
seams due to gaps, distorted panels and/or lack of
sealer. Water will appear on the floorpan or under the
rear carpet, if equipped.
Leaks can occur between the side sills or leading edge
of rear wheelhouse panels due to excessive gaps and /or
lack of sealer at the joints. Water leaks from these joints
appears on the floorpan or as wet rear carpet or sound
insulation material, if equipped.
Also, leaking rear floorpan plugs will allow water to
enter under the carpet and sound insulation material, if
equipped.
Spray Diagnosis and Repair
(1) Remove rear seat, if equipped.
(2) Remove rear carpet and sound insulation mate
rial, if equipped.
(3) Perform the following spray test using guide
lines described under Spray Test above.
(a) Spray water from under vehicle at joint of
rear floorpan-to-side sill.
(b) Next spray across front floorpan-to-rear
floorpan seam and towards rear of vehicle at floorpan
plugs.
(c) Move spray slowly along rear floorpan-to-
rear wheelhouse panel seams.
(d) Repeat spray test on other side of vehicle.
(4) If leaks are noted, dry out suspect area as de
scribed above under Bonding Surface Preparation.
(5) Straighten out distorted panels.
(6) Seal suspect joints or seams using 3M AU-
Around Autobody Sealant, or equivalent.
(7) Examine suspect area for loose or missing body
plugs.