ANTI FREEZE IN NEW AND TRUCKS

Commencing with deliveries approximately October 19, passenger cars and trucks delivered from the South Bend plants will be serviced with a mixture of Methanol anti- freeze which will give protection down to 5° above zero Fahrenheit. The aaounts injected in the cooling system will be as follows: ANTIFREEZE IN NEW CARS AND TRUCKS . . . . 1 ANTIRATTLERS FOR REAR DOOR WINDOWS . Champion passenger cars - 3 qts. 14GW. 4HW...... 2 V-8 Commanders and Land Cruisers - 4 1/2 qts. AUTOMATIC DRIVE TIME GUIDE: U-98. . . . 1 2R Series trucks equipped with Economizer EXHAUST PIPE FLANGE GASKET . 2R. . . . . 6 Engines - 3 qts. GAS TANK CAP - 2R...... 6 GLASS INSTALLATION, Preventive Measures. 4 2R Series trucks equipped with Power Plus PROPELLER SHAFT & U-JOINT - 14G. 4H. . . 5 Engines - 4 qts. RADIATOR CAP - 2R...... 6 SERVICE PROMOT ION Handbook ...... 6 Vehicles containing these amounts of anti- WINDOW GUI DE SUPPORT - 2R...... 6 freeze will bear windshield stickers indicating that they are protected against freeze-up down to a temperature of 5°’above zero Fahrenheit.

When weather conditions warrant (approxi- OPERATION U-98 AUTOMATIC DRIVE mately November 1), the mixture injected will be SERVICE OPERATION TIME GUIDE increased to give protection down to 10° below zero Fahrenheit. The amount injected at that time in the various models will be as follows: on page 3 of the Studebaker Service Opera- tion Time Guide covering Studebaker Automatic Champion passenger cars - 5 qts. Drive,in the group “oil Pumps”, you will find V-8 Commanders and Land Cruisers - 6 1/2 qts. “U-98 REAR PUMP: gaskets,install new and 2R Series trucks equipped with Economizer inspect pump.. .All Models.. .0.5 hrs. " Engines - 5 qts. 2R Series trucks equipped with Power Plus Please add the words “(after Operation U-64) " Engines - 6 qts. immediately after the title of Operation U-98 and change the time to 0.4 hrs. cars and trucks containing these amounts of antifreeze will bear windshield stickers indi- cating that they are protected against freeze-up This same change should be made to the title down to a temperature of 10° below zero Fahren- entry and time allowance of operation U-98 in heit. the complete 1953 Studebaker Service operation Step and Tiae Guide recently mailed. In Any Methanol base antifreeze will mix satis- addition,the first sentence of the procedure factorily with Studebaker antifreeze which may of operation u-98 should he deleted. be checked with a standard Methanol tester. Ethyl base alcohols will also mix satisfactorily with Studebaker antifreeze. However, such mix- This correction is desirable because it is tures cannot be checked with standard antifreeze necessary to remove the governor extension case testers. when removing the rear pump.

G 0 0 D SERVICE CREATES CUSTOMER GOOD WILL No. 281 SERVICE BULLETIN NOVEMBER 1953

REVISED Anti RATTLERS TO PREVENT REAR DOOR GLASS BREAKAGE -- 1953 4-Door SEDAN MODELS

FRONT

FIG.2

serial numbers,the possibility of its re- petition will be minimized by installing the revised antirattlers. It is suggested, there- fore,that when you replace a broken rear door glass in a 1953 model 4-door sedan, that you also install the revised antirattlers.

The revised antirattlers may be ordered from FIG. 1 your parts depot as follows: 1. Original FRONT ANTI RATTL ER MOUNTING SCREWS 2. Upper MOUNTING SCREW, Revi SED FRONT ANTI RATTLER No. Per 3. UPPER MOUNTING SCREW. REVISED REAR ANTI RATTLER Part No. Part Name 4. ORIGINAL REAR Antirattl ER MOUNTING SCREWS

5.REGULATOR STOP LOCATION. SOME EARLY MODEL s 6.REGULATOR STOP Location. NOW USED 306756 Antirattler, front, rear door 2 306574 Antirattler, rear, rear door 2 1095-#10-6 Screw, to door, No.10-24x3/8" 8 Please record this article, a reprint of Passenger Car Service Letter No. 906, on the Be sure when installing these antirattlers Service Bulletin Reference page at the end of that a set of them is put in both rear doors of the Body section of your 1953 Passenger Car a given car even though only one rear door win- S hop Manua 1. dow glass is being replaced. Also, at the time of’ glass installation, be sure the glass itself Revised antirattlers for the rear doors of is not cracked or chipped on the edges, for 4-door sedan models entered South Bend pro- such cracks or chips on the edges may lead to duction effective with Serial Nos. G-1269682 premature failure no matter how much support (14G) and 8353013 (4H) and Los Angeles pro- the glass is given inside the door. duction with Serial Nos. G-927174 (14G) and 8836527 (4H). When installing the revised antirattlers, it is necessary that the rear door window re- gulator stop be changed to provide uniformity These antirattlers are longer and more in the glass lowered position and a more posit- heavily constructed than the original type ive stop. The procedure for servicing the stop released. They give firmer support to the win- is given at the end of this article. dow glass and regulator assembly against glass breakage as a result of’ door slamming. INSTALLATION PROCEDURE

When you encounter rear door glass breakage After you have installed the new glass, due to door slamming on cars prior to the above raise it to the full up position. If the car

2 [

1. SCRIBE A VERTICAL LINE FROM TOP TO BOTTOM ON INSIDE OF DOOR THRU CENTER OF MIDDLE CLIP RETAINER HOLES . “A” . 2. SCRIBE ANOTHER LINE ON INSIDE OF DOOR THRU THE CENTER OF THE BOTTOM CLIP RETAINER HOLES. "B". 3. LOCATE AND DRILL 9/32" HOLES AS SHOWN AT l-2 -3 AND 4.

Fi 6.4 The time required for installation of a set of revised antirattlers in both rear doors is as follows: 0.7 hrs.where car has no anti- J rattlers originally; 0.5 hrs. where revised- FI 6.3 type antirattlers replace the original type.

has early-type antirattlers, remove the screws 4-Door Sedan - Rear Door - Regulator Stop Screw (1 and 4, Fig. 1) and remove the antirattlers. Align the bottom screw hole of Part No. 306756, Remove the regulator stop screw (6, Fig. 1) Front Antirattler (short) (see Fig. 2), with which is also the regulator mounting screw. the lower screw hole used for the early-type Ream out the hole with a 9/32" drill. antirattler and bold the antirattler against the door in a vertical position. using anti- on the early models, the stop screw is - rattler as a template, punch mark door panel at location or upper screw holes(2, Fig. 1). Re- located above the original regulator mounting peat this procedure (3, Fig. 1) with the Part screw hole (5, Fig. 1). Remove and discard No. 306574, Rear Antirattler (long) (Pig. 3). this screw. Then ream out the original re- NOTE. -- If door had no antirat t lers originally, gulator mounting screw hole (6, Fig. 1) with a locate screws holes as shown in the drawing, 9/32" drill. Fig. 4. Drill 9/32" holes at these location. Place Part No. 55-048 screw in the reamed Install revised antirattlers inside door hole with a lock washer and Part No. 251-04 nut with Part No. 1095-#10- 6 screws. Be sure the to the inside of the door panel. The nut on taper end of each antirattler is upward in the the bolt will serve as a more positive down door. stop for the window regulator.

See the article on the next page for more HELPFUL HINTS ON GLASS INSTALLATION No. 281 SERVICE BULLETIN NOVEMBER 1953 PREVENTIVE MEASURES TO TAKE suitable fixture and flatten the rivet heads in- AGAINSTGLASSBREAKAGE side the channel with a punch. 5-Passenger Coupe Door Check to make sure Please record this article on the Service that the glass rear channel retainer lower Bulletin Reference page at the end of the Body bracket is firmly fastened by the spot weld at section of your 1953 Passenger Car Shop Manual. the door inner face, If the bracket is loose, center punch two holes on the door face at the Door glass breakage usually results from metal-to-glass contact, misalignment, or im- bracket location. Align the channel retainer Proper regulator stop position. At the time or in position. using a No. 7 drill, drill holes installation the following measures should be through the door face and retainer bracket. taken to prevent the causes and reduce the Secure with two screws, Part No. 99-#10-8G possibility of breakage of the new glass later and Part No. 351-#10-G washer-nut assemblies. on. Checking Alignment in Rear Doors - Sedan Lift Channel Installation Figs. 5 through 9 Models Remove the door glass and window run illustrate the proper position of the lift channel in the usual manner. To check the channel in relation to the edge of the glass. alignment of the channel retainers use a straight-edge or make a gage from a piece of Care should be taken to make sure when in- straight hardwood approximately 9/16 by 9/16 stalling the channel that the edge of the glass inches by 20 inches long. Insert the gage in a is not past the end of the channel more than vertical position through the window opening the amount specified in the illustration. and place in channel retainer. Close observa- tion of the extended portion of the gage will Some early 4-door sedan rear door glass lift indicate either correct alignment or misalign- channels were 17-5/16" long. We now use a iirt ment. channel for these glasses that is 20-3/4". When replacing a glass in the rear window of a 4-door sedan in which the 17-5/16" lift channel Correction of Misalignment If misalignment was used,replace the channel with the longer is evident,break the lower spot weld of the type. The 20-3/4" lilt channel may be ordered offending retainer bracket and relocate to cor- from your parts depot by Part Nos. 304410 rect position. Re-attach the retainer bracket (right) and 304411 (left). either by welding and refinishing as required or by installing a 1/4-20 x 1” bolt, Part No. Sedan Front Door Before installing the new 55-0416, flat washer, lock washer and nut. The glass,remove the vent window assembly. Inspect nut,lock washer and end of the bolt (when in- the door glass channel for possibility of rivet stalled) should not interfere with the window heads from attaching brackets protruding beyond run channel. The exposed bolt head and flat the felt on the inside of the channel. Ir such washer should, of course, be painted to match a condition is found, place the vent frame on a door paint color.

Glass - Install with Care! Glass edges REAREDGE Of CLASS must be well protected by the run channel. In spect run channel closely; replace if evidence of possible glass-to-metal contact is round. Apply a sufficient quantity of adhesive cement to the channel to hold it firmly in retainer. Be very Careful during installation of glass to avoid chipping glass edges. Even a small FOUR-DOOR SEDAN chip can cause future breakage. chipped edges Should be ground off before installation. FIG.5 FIG.9

FRONT DOOR FOUR DOOR SEDAN LAND CRUISER AND LAND CRUISER

FIG.6 FIG.7 FI G.8 4 SERVICE BULLETIN NOVEMBER 1953 No. 281 PROPELLER SHAFT-AND-UNIYERSAL being furnished as asseabl ies. The new parts JOINT ASSEMBLIES -- 14G, 4H numbers are as follows:

Please record this article on the Service Prop. shart Type Bulletin Reference page at the end of the Part No. Location Body style Prope 1 ler Shaft and Universal Joints and sections of your 1953 Passenger Car Shop Manual. 1953 (Champion (14G) 532223 Front Conventional DRIVE LINE CHECK C,K 532218 Front Auto. Drive C,K 532217 Front Overdrive C,K Drive line vibration can be due to unbalance 532231 Rear All or excessive run-out of the propeller shaft, C,K excessive run-out of the 532225 Front Conventional W,F flanges, a worn propeller shaft support bearing, 532222 Front Auto. Drive W,F improper mounting of the propeller shaft 532220 Front overdrive W,F support,or q is aligned universal joint f langes. 532229 Rear All W,F These items will require thorough inspection.

1953 Commander (4H) Each propeller shaft should be checked with a dial indicator at three positions: the front 532221 Front Convent ional C,K end of the shaft, the center, and the rear end 532218 Front Auto. Drive C,K of the shaft., To minimize inaccuracies, shaft 532216 Front overdrive C,K should be thoroughly cleaned with sandpaper at 532230 Rear All C,K,Y all positions to be checked and end measure- ments should be made approximately 1 1/2" back 532224 Front convent ional W,F,Y from the weld joint. 532222 Front Auto. Drive W,F,Y 532219 Front overdrive W,F,Y The maximum run-out for the front propeller 532228 Rear All W,F shaft is .010" at any of the three positions. Maximum run-out of the rear shaft is .010" at ELIMINATING VIBRATION NOISE - CHAMPION WITH the front, .015" at the center, and .010" at OVERDRIVE ONLY - 12G, 14G MODELS the rear. occasionally,on Champions with overdrive The transmission and differential flanges transmission, a ‘beat” or “throb” may be noticed may influence propeller shaft run-out; the in the 45- 60 mph range in overdrive. This following procedure, therefore, should be used noise has also been described as a “Coo-woo” to determine flange condition: noise.

1. Dial indicate the end of the propeller shaft If balanced and properly aligned propeller at the flange being checked. Note run-out shalt-and-universal joint assemblies fails to and mark high side on the prop shaft. minimize abnormal vibrations or the so-called ‘beat " noise,install a Part NO. 534881 Clutch 2. Change shaft location 180° in the flange and Driven Member. This driven member is to be again indicate the shaft. If run-out follows ordered from your parts depot only for the the position marked on the shaft and is purpose of reducing the ‘beat” noise on 1952 approximately the same amount of run-out it (12G) and 1953 Champion (14G) models equipped can be assuaed that the flange is Satis- with overdrive. factory. If the run-out remains on the Same side of the flange as formerly, although not necessarily In the same amount, it can be assumed that the flange is causing the run- ANT I - out. FREEZE If the checks show that the propeller shafts are beyond the shaft limits shown above, the shafts and/or flanges should be replaced.

BALANCED ASSEMBLIES - PARTS LIST DO - TEST ANTIFREEZE PROTECTION IN EVERY CAR IN YOUR SERVICE DEPT.

Balanced propeller shafts and universal DON’T - FORGET TO TELL OWNER IF HE NEEDS joint assemblies are important if abnormal STUDEBAKER ANTIFREEZE -- drive line vibration is to be prevented. To AND HOW MUCH assure uniform balance in service propeller shafts and universal joints, these parts are

5 No. 281 SERVICE BULLET I N NOVEMBER 1953 DOOR WINDOW GUIDE SUPPORT INSTALLATION IN 2R SERIES TRUCKS Please record this article on page 37 of your 2R Series Truc ks Shop Manual.

Part No.653472, Door Window Guide Support Assy. may now be purchased from your nearest Parts depot as a regular service Part. Truck serial numbers no longer need be given the General Service Department to obtain this part, as was specified in Service Bulletin NO. 269, pages 3-4.

RADIATOR CAP--2R SERIES TRUCKS

Please record this article on page 58 of your 2R Series Trucks Shop Manual. EXHAUST PIPE FLANGE GASKET -- In cases of water loss from cooling systems 2R SERI ES TRUCKS equipped with surge tanks, inspect the radiator Please record this article on page 107 of cap. caps used with surge tank installations your 2R Series Trucks Shop Manual. should have a rubber seal at the top and another rubber seal at the bottom. Such caps are part The three-stud exhaust pipe flange gasket NO. 679313. with metal inner circle, Part No. 660647, The standard radiator cap, part No. 531826, entered U.S. production with the following 2R has only one rubber seal (at the bottom) and Series Trucks serial Nos.: R6-12319, R11-10345, should not be used on cooling systems equipped R14-1443, R16A-43460 and R17A-35671. with surge tanks.

The gasoline tank filler cap on the left Is the type formerly supplied with 2R Series trucks. On the right is the new non-spill type used effective with Serial Nos. R5-110780, R6-12326, R10-37320, R11-10349, R14-1443, R15-13919, R16A-43367, and R17A-35677. Part No. 636799 remains the same. When stocks of type at left are used up, type at riaht will be furnished.

PROMOTION HANDBOOK FULL OF HELPS, HINTS FOR DEALER SERVICE

Enclosed with this issue of the Service Bulletin is a sheet describing the new pro- motional handbook, “303 Tested Ways to Get More Service Business.”

This handbook is full of interesting actual uses of the 303 advertising and merchandising ideas described. These promotions are divided into 31 classifications, a device that should double the usefulness of the book as a reference work.

An order blank is included as part of the descriptive sheet and orders should be placed directly with the publisher.

6 PRINTED IN THE UNITED STATES OF AMERICA 115314M