I. Date Code Tag Inspection
1. Using a bright light, inspect the date code tag on the power brake booster assembly. If the date code tag is present, but the date code cannot be easily read, blacken the date code area of the tag with a black felt tip marker, wipe off with your thumb and try reading the date code tag using a bright light.IMPORTANT:
If the master cylinder obstructs the view of the date code tag, proceed to step 2 below.
a. If the last three digits in the code ARE NOT 034 or 035, the power brake booster assembly is not suspect and DOES NOT need to be replaced. The only possible date codes in this group of vehicles are: 015, 016, 019, 020, 021, 022, 023, 025, 026, 027, 028, 029, 030, 032, 033, 034, 035, 039, 040, 041 and 042. Proceed to "Campaign Completion Label" procedure in this bulletin.
b. If the last three digits in the code ARE 034 or 035 (e.g. 63034, as shown), the power brake booster assembly must be replaced using the "Brake Booster Assembly" removal and installation procedures. If you And any date codes other than those mentioned in this bulletin, call the Technical Assistance Center (TAC).
c. If the date code tag is missing, damaged or otherwise unreadable, the power brake booster assembly must be replaced using the "Brake Booster Assembly" removal and installation procedures.
2. If the date code label cannot be seen, perform steps 7 through 9 of the "Brake Booster Assembly" removal procedures outlined in this bulletin to gain visual access.
3. a. If the last three digits in the code ARE NOT 034 or 035, the power brake booster assembly is not defective. Reusing the same master cylinder nuts, completely reassemble using steps 6 and 7 on the "Installation" procedure outlined in this bulletin. Apply the Campaign Completion Label.
b. Otherwise, proceed to steps 1b. and 1c. above.
NOTE:
Use the retailer brake booster inspection worksheet to aid in record keeping and claims processing. This inspection worksheet can be found in this bulletin. Make enough copies to properly record the inspection of each vehicle assigned to your Facility (see Facility VIN Listing). After all claims have been paid, these worksheets may be discarded.