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21
Engine Related Items / No Starter Solenoid Clicking
« Last post by september2019 on August 11, 2019, 03:22:50 PM »
I took my B out yesterday It was a rather hot day here in Tennessee- mid 90s.  I drove it to get gas, then perhaps a half an hour trip to deliver my grand-daughter to her dad.  Came inside to cool off.  When I came out, the car started fine, but there was an unusual rattle, as if from something light weight,  coming from under the hood.  Nothing obvious when I popped the bonnet. 
Drove it home, (about hour); occasional whiffs of either something hot electrically or of a hot brake smell- could have been from other cars.  Let the car sit for an hour or so, then went out to start it up and move it into the garage. 

Nothing happened when I turned the key.  Headlights seemed bright; radio would come on with the key, but no solenoid clicking or sound from the starter.  I presume that there is a relay that is energized by the key in the start position; where is it, and is it reasonable that it might have failed?

If so, what diagnostic tests could I apply- presumably working with a voltmeter to check for the presence of absence of voltage on various connectors on the relay?

John W Philbrick
Brentwood, Tennessee
22
Body Work Related Items / Re: Paint Color
« Last post by amgba on August 11, 2019, 03:38:48 PM »
You might want to paint it the original color. The MGB is a beautiful car that looks good in all colors, but for originality you might want to research and go back to the original.

It might make it worth more if you ever sell it - though others may have a different opinion. Some enthusiasts look down on non original colors.

Micah Clark
23
Body Work Related Items / Paint Color
« Last post by september2019 on August 11, 2019, 03:13:52 PM »
I have a '73 MGB. I am cleaning the carbs and then I think I need to paint it. It was originally a maroon I think. The question is what color should I make it.

Richard Moon
24
Electrical Items / Re: Clicking Noise Under Hood
« Last post by amgba on August 11, 2019, 03:40:33 PM »
Remove the negative cable from the battery and hook up the positive cable. Now, remove the fuses from the fuse box. Close the doors and touch the negative cable to the battery negative post. If you hear the clicking, it has to be something to do with the starter.

The starter gets power directly from the battery. It's possible (I suppose) that the wire to the solenoid has somehow shorted and gets power as soon as the battery cable is installed.

If nothing happens when you touch the the cable end to the negative terminal, install the fuses - one at a time - until the clicking can be heard again. Run the electrics back from that fuse until you discover the source of your issue.

Scott Stuchell
25
Electrical Items / Clicking Noise Under Hood
« Last post by september2019 on August 11, 2019, 03:15:56 PM »
I just got my '75 MGB back from storage. i replaced the battery.

While hooking up the positive cable, I heard clicking under the hood. Anybody have any ideas what might cause this? Thanks!

Sue Collins
26
Body Work Related Items / Re: Door Panels Gasket
« Last post by amgba on August 11, 2019, 03:41:49 PM »
Depending on the thickness of the panel you can use a gasket punch like this.

I  have used mine for years to pop holes in many parts such as cardboard, cork gasket material and even materials such as 1/8 hardboard.

Mike Pelletier
27
Body Work Related Items / Door Panels Gasket
« Last post by september2019 on August 11, 2019, 03:18:54 PM »
I am looking for advice. I am working on the door panels for my 1979 MGB. We have cut out the waterproof board to put new vinyl on. The problem we are having is how to cut the holes for the fasteners so that we can put the panel on the door.

We have tried several ways, but are having issues with the board fuzzing around the hole. I am looking for suggestions on the tool to use. If you have done this do you change the type of clip that is used?

It is a keyhole type of cut and the clip slides from larger hole to smaller hole. Suggestions greatly appreciated.

Jennifer Shryock
28
Body Work Related Items / Re: Keys
« Last post by amgba on August 11, 2019, 03:42:55 PM »
Depending on the thickness of the panel you can use a gasket punch like this.

I  have used mine for years to pop holes in many parts such as cardboard, cork gasket material and even materials such as 1/8 hardboard.

Mike Pelletier
29
Body Work Related Items / Keys
« Last post by september2019 on August 11, 2019, 03:20:29 PM »
I just purchased a 1974 MGB, I only got the ignition key and it has teeth on both sides, is that normal or been replaced? Also are the door, trunk and glove box locks the same single sided cut key?

Andrew Kasinec
30
Upkeep and Performance Hints / Engine Rebuilds
« Last post by september2019 on August 11, 2019, 03:28:36 PM »
I had to perform unexpected surgery on my '74 B on my way home from a club tech session, I started to hear a intermittent rattle from engine compartment.

I got home, opened the bonnet and the sound was coming from the timing cover.
Today after removing the radiator, fan, motor mounts, raising the engine about 2 inches, removed the harmonic balancer, then finally the timing cover.

The camshaft nut and retainer were not just loose, but fell to the ground while removing the cover. The retainer was bent as it should have been, but the small tab that fits into the cam was not bent 90 deg for full insertion.
I think whoever "rebuilt" the engine before I bought the car a few years back, Re-used the old parts. A botched job at best.
That allowed the nut to gradually loosen over time.

Fortunately nothing was damaged. The chain, tensioner, timing gears, and cam threads are unscathed. Just a couple of marks inside the the cover.

New parts ordered and on the way.

So if someone tells you the engine was rebuilt, ask by who or by what shop. So if something like this happens. You know NOT to have them touch your engine or anyone else's in the future.

Lyle Anderson
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