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Reatta Resources & Quick Reference Guide

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Scroll down to view the Reatta Quick Reference Guide

Note: While the sources listed below have been satisfactorily utilized by our members in the past, you are advised that these listings are provided only for reference and with the explicit understanding that your use of the information and/or vendors is solely at your own risk.

If you are interested in being listed, have a source that you believe merits inclusion, had a negative experience with a listed vendor, discovered a broken link or need assistance with any other matter, PM the forum moderator.

Our Clubs
 The Reatta Division of the Buick Club of America.  Without the Reatta Division the Reatta forum would not be the tremendous resource that it is.  To join the Reatta Division, membership in the BCA is required. It is money well spent. Membership in the BCA includes the BCA's high quality periodical "The Buick Bugle" and qualifies you to participate in all BCA sponsored events across the country. The Reatta Division also puts out a quarterly newsletter which is full of interesting Reatta specific information. Back issues of the Reatta newsletter are available to club members. Seriously consider supporting these organizations that support you.


The Antique Automobile Club of America (, America's premiere resource for the collectible vehicle community, provides this great forum that we all enjoy. Join the AACA today! Owning an antique car isn't required. All you need to join is to love old cars.


General Reatta Information
The Reatta Data Page   (

The original clearinghouse of Reatta information including the Reatta Database  maintained by forum member "Barney Eaton", who is Technical Advisor for the Reatta Division.

Reatta Owners Journal (www.reattaowner,com)

Compiled by forum member "Ronnie", it contains lots of Reatta information including repair tutorials and vintage Reatta articles.

Dave Clevinger, "Reattatude" here on the forum, has compiled “The Reatta Project”, a Reatta enthusiasts' must-have three DVD set filled with solid, useful information that will help you maintain your Reatta. It also includes Buick's promo/sales videos for all the Reatta's model years, Lansing Craft Centre assembly videos, image gallery slideshows and full coverage of the Reatta Workshop Roundtable Discussion held at the Flint, MI 2004 BCA Nationals. The Reatta Project DVDs can be ordered online or you may contact Dave at (IN)

Duncan Smith, "1991Reatta" here on the forum, Has produced a coffee table book entitled The Buick Reatta The Complete History comprising 60 pages with Buick's Reatta press releases and 98 pictures, many of which have never been published before including photos of the 1992 Reatta prototype. Cost is $25.00 + $5.00 shipping (Paypal, checks and credit cards accepted).
A limited number of these books have been printed. Contact Duncan at or call (231) 631-1075 (MI).


Reatta Specific Parts
Jim Finn, "Jim" here on the forum, a fellow Reatta hobbyist with a large assortment of parts cars. Usually the lowest price for a given item. Email is Jim's preferred contact method.  (MN)

Barney Eaton, "Barney Eaton" here on the forum member,  is a BCA Technical Advisor and keeper of the Reatta Database. He sells headlight motor repair kits, crankarms and repair parts as well as offering repair services. He also sells Covercraft car covers, dashpad covers, cockpit covers, front end masks, reproduction '91 wheel centercaps, '88-89 floor mat logo appliqués and retention grids. Barney offers a antenna rebuilding service and trunk lock repair kits. (TX)

Steve Scott deals exclusively in corrosion-free SoCal Reatta parts. All electrical items are thoroughly tested to confirm proper operation. He offers 86-89 CRTs/Touchscreens, 90-91 Instrument Panel Clusters, headlight motor crank assembly repair kits, new and used hubcaps, wheels, door handles, glovebox latches, seat belt parts, mirrors, power antennas, chrome taillight letters, floor mats, sunroofs, electronics, body parts, interior parts, new and used hood ornaments (standard and select 60), posters, press kits, owner’s manuals and portfolios, memorabilia, and many other items too numerous to mention. (951) 323-0263 Steve's eBay store, Reatta Parts West   (CA)

Marck Barker "NCReatta" here on the forum. of East Coast Reatta Parts (, deals in a large variety of Reatta parts, both buying and selling. Specialties include (but not limited to) rebuilt radio modules, hard to find dealer literature and signs, as well as many other Reatta parts. "Call or email us with your needs, we will try to meet them in any way possible, and give you the best possible experience in the process!" (919) 233-1973 (NC)

Harry Yarnell, forum member, has accumulated a sizable inventory of Reatta and Riviera parts over the years. (410) 272-0873 (MD)

The World Famous Reatta Farm ( is a full-service Reatta salvage operation with well over 100 Reattas in inventory. Owner's name is Roger. (520) 977-5463 (AZ)

Robert D. Niven, "88reattacoupe" here on the forum. is the designer & fabricator of the Shelfence, a clever product that keep items secure on the cargo shelf of Reatta coupes. It eliminates having to search for lost items that invariably slide off the cargo area and end up under the seats. The Reatta Shelfence is easily installed and removed, without any modification whatsoever to the car and does not impede access to the rear floor storage compartments. Robert has also designed a custom dual cup holder assembly for 88-89 Reattas. (615) 876-0042  (TN)

Eddie Voland repairs '88-89 CRTs. Contact him for current prices to get your CRT repaired. (443) 536-9591 (MD)


Real Reatta Parts - Larry Keie.  Located in Merrill, Michgan which is fairly close to the Lansing, MI area.  Larry has some NOS parts and a number of parts cars. Preferred contact info is:  Phone (989) 245-6194, Fax (989) 643-0732 and email

General Parts and Services ( Nationwide salvage yard part search.


Sinister Performance  ( ECM reprogramming for the 3800 engine. They specialize in performance tuning and  engine swaps.


SIA Electronics (www Rebuilds  BCMs, ECMs and other electronic devices.


M&R Electronics (  Delco radios and repairs. 1-800-343-1382


United Radio Repairs radios, cassette decks, CD players, CRTs and digital dash panels. (800) 634-8606


RockAuto Auto Parts Usually the lowest cost source for new auto parts.

GM Parts Direct: Your direct source for Genuine GM Parts Usually lowest cost source for dealer-only parts, watch their shipping and handling charges though. Best value achieved by ordering multiple items as shipping cost tend to be high. ( Low priced dealer-only parts, without the added S&H charges of GMPartsDirect, though not always the cheapest on the final tally.

Vintage Parts ( Clearinghouse for remainders of GM's obsolete parts inventory. Part#s are required and prices are relatively high, but it's often the last remaining source to purchase the part in question brand-new. ( Usually lowest cost, widest-selection purveyor of tires.  Radio wiring harnesses, adapters and pin-out diagrams as well as aftermarket audio gear. Same parts pro installers use.

ACKits.Com Automotive Air Conditioning Parts & Equipment (very good forum) AC Compressors,| Evaporator Cores, Condensers Heater Cores and Brake parts. (972)723-0112 (ask for Reatta forum discount)

ACDelco Parts (AC Delco parts lookup, applications, and interchange)

Electron Tops ( manufacturers of Reatta convertible tops. GM-licensed logowear, car covers, floormats, keychains, NOS hood ornaments Headlight motor rebuild parts.


Other Interesting Links
CompNine VIN Decoder Provides specific build information and option content for many GM vehicles by entering the VIN, very useful when shopping cars online.


All Fall Down: The Cadillac Allante, The Buick Reatta, and How GM Lost Its Styling Mojo Interesting article/editorial on the development and marketplace failure of the Buick Reatta and its platform-mate, the Cadillac Allante.

How Stuff Works- Buick Reatta Article on the conception, design and production of the Reatta.

Wikipedia entry for Buick Reatta Site Mash simultaneous vehicle or parts search of multiple auto classified sites, EXCLUDING CRAIGSLIST.

AutoTempest simultaneous vehicle search of every CRAIGSLIST in the country as well as eBay, and several other less popular sites.




This guide contains links to websites that have information commonly needed by Reatta owners.  I've tried to avoid links to commercial websites but that might not always be possible in order to provide the best information.  The guide is divided into sections.  You can scroll though the entire guide to review it or click an item in the menu below to jump to a section of the guide.




Edited by Ronnie (see edit history)
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Reatta Division Of The BCA:  Home Page  -- Join The Reatta Division  -- Contact The Reatta Division


Reatta Owners Journal:  Home Page  --  Repair Tutorials & Troubleshooting Guides  Home Page  --  The Reatta Database  --  Yearly Reatta Differences


Padgett's Car Page:  Home Page  --   IAC Cleaning  --  Cam Magnet Replacement  -- How To Convert To Delco Ignition  --   Much More




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How To Access ECM, BCM & CRT Trouble Codes Via Onboard Diagnostics:   1988-1989 Models  --  1990-1991 Models


How to retrieve codes via the Assembly Line Diagnostic Link (ALDL) connector:   1988 Models  --  1989 Models  --  1990 Models  --  1991 Models          


Diagnostic Code Charts:   BCM & CRT Diagnostic Code Chart  --  ECM Diagnostic Code Chart


Reatta Onboard Diagnostics Booklet:   1988 & 89 Models




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Brake Accumulator Alternatives


First steps when you have brake problems:  Brake Frequently Asked Questions  --  How To Read ABS Codes  --  ABS Code Chart


Brake Testing & Troubleshooting:  The Brake Test (scroll down)  -- Accumulator Testing Instructions - Troubleshoot ABS wheel sensors


Important Maintenance Information:  Brake Fluid Specifications  --  How To Flush & Bleed Brakes  --  Reservoir Filling Instructions


General Brake Information: Brake Page  --  Brakes - Mechanical  --  Brakes - Electrical




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Information about Reatta Lights:  Headlights Electrical  --  Exterior Lights  --  Interior Lights  --  Taillight Refinishing

1990 Headlight Switch Repair Tutorial  --


Headlight Door Tips & Tutorials:   Headlight Door Troubleshooting   --  Headlight Assembly Removal   --  Headlight Motor Repair




Edited by Ronnie (see edit history)
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ABS: Anti-Lock Brake System  --  ALDL: Assembly Line Diagnostic Link
BCM: Body Control Module (frequently used in reference to the Blower Control Module )
BLM: Block Learn mode  --  CEL: Check Engine Light
CPS: Central Power Supply. (frequently used in reference to the Crankshaft Position Sensor)

CRT: Cathode Ray Tube (frequently used In reference to the GCC: Graphic Control Center)
CTS: Coolant Temperature Sensor   --  DVM: Digital Volt Meter

EBCM: Electronic Brake Control Module  --  ECM: Engine Control Module.
ECC: Electronic Climate Control. (This is the control panel for the '90 & '91 models)

EGR: Exhaust Gas Re-circulation (valve)  -- FPR::Fuel Pressure Regulator   --  FSM: Field Service Manual  --  GCC: Graphic Control Center
IAC: Idle Air Control       --  ICM: Ignition Control Module  -- INT: Integrator  -- IPC: Instrument Panel Cluster  --  MAF: Mass Air Flow (sensor) .

MAP: Manifold Absolute Pressure (sensor)  -- 
MAT: Manifold Air Temperature (sensor)  --  O2 Sensor: oxygen sensor

PCM: Powertrain Control Module (1991 only)  --  PSI - Pounds per Square Inch  -- SES: Service Engine Soon  --  TPS: Throttle Position Sensor

VSS: Vehicle Speed Sensor   --  WSS - Wheel Speed Sensor
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Screenshot-2018-1-27 Supercharging (this time, it's real).pngLook for this icon in the forum. It indicates the topic as a featured topic.


ABS: Anti-Lock Brake System

ABS Pressure switch replacement

Advice Needed! Anyone have this happen??? (Pump not building pressure)

Front Caliper Upgrade

Interesting ABS malfunction


ACCESSORIES: Heat & AC, Radio, Etc.

Aftermarket Radio Installation


Engine/Transmission Shudder (Around 42-45 MPH)

Power enhancement ideas

Supercharging (This time, it's real)


ELECTRICAL1990 Headlight Switch Repair Tutorial


MISC. Interesting Topics

Pre-Production/Rare Photos

Your Reatta being hand built by craftsman & how things work VIDEO

Taillight Refinishing




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