What is the ECM in a GMC motorhome?
The ECM is the computer brains of the EFI system. It uses a programmable-read-only-memory (PROM), read-only-memory (ROM) and random-access-memory (RAM) to accomplish a variety of functions. The PROM is the so called “computer chip” which provides the specific information for the engine.
Are there any engine failures in GMC Motorhomes?
Carson is aware of at least three GMC Motorhome lifter and cam failures after owners changed to SM oils, which are the oils most retail outlets currently stock. Our search of the media indicates similar failures in other engines manufactured prior to the 1990s when roller lifters were installed in almost all new large-block engines.
When did my parents buy a GMC motorhome?
My parents bought this motorhome in 1994. It was purchased from the first owner who were also located in the Ocala, Florida area. They used it to camp up in Georgia and Alabama. When the motorhome was not being used it was kept in my father’s barn. It is just time for somebody else to enjoy it.
Where can I find a GMC motorhome for sale?
A GMCMI Member Benefit: GMCMI members selling their GMC Motorhome can receive a free ad listing on the gmcmi.com website (plus up to 9 photos), quarterly magazine and announcement on the GMCMI Facebook page, Vintage GMC Motorhome facebook page and the gmc.net (forum).
Where can I find GMC motorhome manuals?
This list of downloadable files and/or links is compiled as a service to the GMC Community. Accuracy is not guaranteed. Independent verification is urged. In addition, links are tested periodically but items/sites may have moved or dissolved. Thank you, to the contributors that took the time to scan and/or share these items.
Carson is aware of at least three GMC Motorhome lifter and cam failures after owners changed to SM oils, which are the oils most retail outlets currently stock. Our search of the media indicates similar failures in other engines manufactured prior to the 1990s when roller lifters were installed in almost all new large-block engines.
How many GMC Motorhomes were made in 1982?
Click her e to view pdf. (Source: GMCMI) 0 = Since total production was less than 13,000, all GMC Motorhomes had a zero in this position Source – GMCMI Newsletter, Fall 1982.
How to remove intake manifold from GMC motorhome?
Removed intake including carb disconnecting as few vacuum lines as possible. Then disconnected exhaust pipe so that themanifold came out with the head. Much easier to remove manifold bolts on thebench.When we go back together I will install the manifold on the pipe loosely.Then mount the head and torque bolts to specifications.
