Fuel - Lines Sag Below the Underbody Floor Pan
Bulletin92-6-17
Date
Sept.'92
Ref. No.
92-229-6
Corp. Ref. No.
206301R
SUBJECT:
FUEL LINE PROTECTOR AND RETENTION (NEW RIVET RELEASED FOR SERVICE)
MODELS AFFECTED:
1991 PARK AVENUE/ULTRA
1992 LESABRE
CONDITION:
Some vehicles may exhibit a condition where the fuel lines may sag below the underbody floor pan creating an unsightly condition.
CAUSE:
Under certain conditions, the forces of snow and water splash exerted on the lines may cause them to sag.
CORRECTION:
Three vehicle populations exist. The service procedure for each is listed below:
Population 1:
1991 Park Avenue/Ultra - Start of Production through M161120
A cover/retainer may be added by ordering the following:
25559590 Cover/Retainer
9437938 Rivet
11504330 Bolt
11501085 Nut
12345743 Sealant
SERVICE PROCEDURE:
1. Remove the retainer clips as currently installed.
2. Position the cover/retainer on the floor pan as shown in Figure 1. With a scribe or marker, locate position "B" on the floor pan.
3. Remove the required interior trim to allow a 5/16" (8 mm) hole to be drilled through the floor at position "B".
4. Install, P/N 11504330, bolt from inside the vehicle. Coat the underside of the bolt head with sealant, P/N 12345743, or equivalent, to prevent water from getting into the passenger compartment.
5. Coat the bolt where it passes to the underside of the floor pan with sealant. Install hex nut, P/N 11501085, and torque to 10-20 N-m (10 lb.ft.).
6. Snap the cover/retainer over the studs at positions B and C.
7. Install the rivet, P/N 9437938, at position "A" as shown in the illustration.
Population 2:
Park Avenue/Ultra - M1611201 through M1667943
A cover/retainer may be added by ordering cover/retainer, Part Number 25559590, and rivet, Part Number 9437938 which can be attached to present studs at positions B and C.
SERVICE PROCEDURE:
1. Remove the retainer clips as currently installed. See Figure 2.
2. Snap the cover/retainer over the studs at position B and C.
3. Install the cover/retainer as shown in Figure 1. Install rivet, Part Number 9437938, at Position "A" as shown in the illustration.
Population 3:
1991 Park Avenue/Ultra - M1667944 through M1708668
1992 LeSabre - NH400021 through NH402434
These vehicles were built with a cover/retainer and a plastic push pin at position "A".
SERVICE PROCEDURE:
1. Remove the plastic push pin at position "A". See Figure 2.
2. Install rivet, Part Number 9437938, as shown.
Parts are currently available from GMSPO.
WARRANTY INFORMATION:
Labor Operations:
Number Time
Level 1 T5299 .7 hr.
Level 2 T5300 .3 hr.
Level 3 T5301 .2 hr.