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Home » Public Forums » GMCnet » [GMCnet] Qestions about my 78 26 RB Royale
[GMCnet] Qestions about my 78 26 RB Royale [message #252164] Sun, 15 June 2014 10:18 Go to previous message
Sergio Mora is currently offline  Sergio Mora
Messages: 15
Registered: May 2014
Karma:
Junior Member
Good Morning all.

I am the new owner of a 78 Royale. Took it out for the 1st time last weekend on a short trip up the coast in preparation for longer and more distant adventures. Here are my questions.


1. Driving the coach on the freeway: traveled around 55 to 65 MPH- what kind of MPG should I expect at those speeds.?

2. Also noticed the rear end of the coach kind of wandering and me having to make constant corrections to the steering wheel. Not excessive, but noticeable. Should I look at my air bags, steering box, should I install rear sway bars....................?

3. What's the correct tire pressure

4. When I operate my water pump it sprays water out of the city water fill inlet...that can't be right. Pump works fine otherwise

5. I did not get much "stuff out of the black water tank when flushing with a jet flush thing(I am new to RV's) is there a best way to empty both holding tanks?

6. Speaking of tanks...I have a crack in my grey water tank at the outlet to the discharge valve-what is a good way to repair the crack without replacing the tank?

7. The 2 switches at the door entrance inside the cabin- what are these for? If I use one, it dims the lights and apparently, trips the breaker at the hook- up site. This is certainly not right.

8. I have a newer dometic fridge...It works but at times gives me E3 and E4 error codes. I turn it off and on and then it works fine-(for a while.)

9. Also, I am still looking for the LP Gas access cover hatch.

10. Any tips on how to use, prepare and avoid problems is also welcomed

11.
There will be more questions but this should be good for now. I appreciate any input as I am a first time owner of this magnificent piece of Americana....Always wanted a GMC and now I have one!

Thank you all in advance.

Sergio Mora
National City Fire Department
Battalion Chief- Operations
smora@nationalcityca.gov
619 336-4555 office
619 336-4566 sta.34
619 250-1724 mobile

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