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Randall, RVIA Certification
Category: RV
Satisfied Customers: 11024
Experience:  RVDA/RVIA Master Certified Technician with many years experience.
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GMC Midas I have a 1978 GMC midas motorhome.....trying to

Customer Question

I have a 1978 GMC midas motorhome.....trying to replace the alternator and waterpump belts....need diagram
Submitted: 5 years ago.
Category: RV
Expert:  Randall replied 5 years ago.
Hi: Thank you for coming to Just Answer with your question. My name is Randall and perhaps I can assist you with this issue.

How many belts do you have in total and do you have one air pump or two? And do you have A/C or not? Please get back to me and I can assist you. Also look on the underside of the hood or on the fenderwell or the A/C bracket as there is usually one in there. R.J.
Customer: replied 5 years ago.

3 belts ..... AC......I believe just one air pump

I have looked under the hood and in the manual in the motorhome

did not yet look on the fenderwell...

Expert:  Randall replied 5 years ago.
There is usually a diagram someplace around the may be convered with dirty and grim so take something to clean some of those areas. Many are on the A/C bracket. Let me go look and see if I have this one in my files and I will get back to you. Is this a 454 engine? R.J.
Customer: replied 5 years ago.

The VIN indicates a 400 It is a Van dura 35

the original VIN is TGR3380506101

Expert:  Randall replied 5 years ago.
Let me see what I can find............and get back to you. R.J.
Expert:  Randall replied 5 years ago.
I only go back to 1979 in my files.............I will have to make a phone call on Monday morning to get this. If you find it sooner or find one under the hood let me know. R.J.

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