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1986 Chev/GMC Truck Suburban 5.7L Ex.valve guides
Fellow Techs: This 1986 [...]. 'm' code (hvy. emission, 2 A.I.R. pumps) engine has a problem and it happens every 1000 miles on the nose! The exhaust valves (most of them) stick slightly open. The engine has the one-piece rear main seal but is supposed to ...
FIX posted 8/7/1999
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Message Closed w/FIX
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| VIN | 1G8GK26M6G |
| Engine | 5.7 L / 8 cyl |
| Affected | Ex.valve Guides |
| Conditions | Ex.valves Open |
Message Closed w/FIX
Vehicle Data
1986 Chev/GMC Truck Suburban
| VIN | 1G8GK26M6G |
| Engine | 5.7 L / 8 cyl |
| Affected | Ex.valve Guides |
| Conditions | Ex.valves Open |
Video