1990 Chevrolet Suburban
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 1990 Suburban are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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TSB #376105
COLD ENGINE KNOCK. *TW Read More »
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TSB #376602A
NEW CAST IRON EXHAUST MANIFOLD AND STAINLESS STEEL GASKET TO CORRECT ENGINE NOISE CONDITION. *TW Read More »
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TSB #990730016A
DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT Read More »
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TSB #020730024A
DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT Read More »