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May 26, 2010

1989 Town Car AC Issues


I have a 1989 Lincoln Town Car Signature Series with 215,000 miles. The problem is that you get heat through the dash vents when you accelerate the engine even with everything turned off and temperature set on 60. If you are sitting still idling or going down hill with the air conditioning on everything runs fine until you begin to accelerate the engine. I have had my car to the local Ford Lincoln Mercury dealer twice and they were unable to locate the problem. I have replaced the main vacuum harness coming from the exterior firewall through the passenger cabin that goes to all the vacuum pumps and main auto climate controls which is all one piece. I have also replaced the ambient air temperature sensor and main vacuum control on the auto climate system (where you select which mode you want such as temperature and floor vent, etc.) I also have tried another blend servo pump (behind the glove box) and the problem still exists. You can hear a door or something move when you accelerate the engine and hear it move again when you let off the gas. I think I also tried the vacuum check valve on the exterior firewall also. Are there any electrical/vacuum controls under the hood that would malfunction and cause this? Please Help!!!!!!

Thanks Bill....

Justin in Virginia


Hello Justin -

Loss of cool AC on acceleration and defaulting to heat is a common problem in Town Cars of that era. It is always caused by one or more vacuum leaks. Vacuum leaks in the AC system can develop any where that the vacuum is routed. According to your report you have replaced many of the more likely problem parts but I don't know if you replaced them with new parts, good known parts or only unproven used parts. Another point is that replacing parts without proving that they are actually defective is never the best way to go. This method is usually very expensive, more time consuming and frustrating.

Assuming though that all of the items that you have already replaced are indeed in good working order there are other areas where leaks can be found in that system. They are the Vacuum Reserve Tank, Cold Engine Lock Out Switch (or CELO) and its vacuum lines (located in one of the heater hoses) any vacuum line and any of the under dash vacuum mode motors, etc. As mentioned above, any suspected items should be properly tested for leaks before condemning. If no leaks are found anywhere then you or your mechanic must backtrack and revisit problem areas. Some leaks can be elusive and therefore time consuming to locate but it can be done. Whenever I work on these exact problems I always have the vacuum diagram within reach, therefore I would advise that you or your mechanic also have one available.

If we can help with any further information, manuals, diagrams or parts please let us know. Please advise us Justin when you locate the problem so that we can post your success on the blog. Good Hunting!



May 13, 2010

Memories of the old '61 Continental....

Mr. Bill -

I've got a question for you. When I was a kid in the 1960s we had a 1961 Continental Sedan in Saxon Green and I was wondering if that was the only year that they offered that color? The interior was matching green leather with the walnut trim on the doors and steering wheel. I have not seen one since then....

Great website....I was at your place back in 1992. I think you have grown a little since then. My interest in the Lincolns predates yours as the first one I remember we had was a 1953 Capri and what a complete change they made within 10 years!

Keep it up.

Laguna Woods, California


Greetings Doug -

You're correct in stating Saxon Green was a rare color.... and only offered by Lincoln in the 1961 model year.

We just sold a convertible last year with the exact combination that you have described,
And we've posted a photo, as well as the original Lincoln factory samples.

61 redone 2.gif



We appreciate your compliments on the website - of course we're here to make money, but all of us here at Lincoln Land have a great love for the brand. We like to think that we are helping to continue it's great legacy in our own little way...

Be sure and check out "1956-2008 Lincoln Production And Sales Information" - you can find a lot of information there, and we update the site constantly - so there's always something new.

If your travels bring you to Florida - please stop by and see us, we always enjoy putting a face with a name (and showing off our facilities).

All the best -

Bill Gray - Blog Host
Chris Dunn - Owner
George R. Miller - Webmaster

May 7, 2010

78 Town Coupe Vinyl Roof Questions

Hi Bill,

I have just got myself a 78 Town Coupe with only 30 Kilometers on the clock (has been in England since 1979), and the seller said it is unusual as it was ordered from new with no vinyl on the roof, is that correct?

Thanks in advance -

Dave in the UK


Welcome Dave -

Welcome to the world of the Lincoln hobby and Lincoln Land. The vinyl top treatments were typically standard equipment on Lincolns and other cars of that era. They were considered the "in" thing to have such as wheel covers and whitewall tires etc. However the Dealer's factory order forms normally included an option called Vinyl Top Delete. When this box was checked off at the time of the ordering process the top was finished without the vinyl roof treatment and the customer usually received a credit on the price of the vehicle.

The discussion regarding this delete option was in most cases brought up at time of sale by the customer as probably 99.9 % were ordered with the standard vinyl roof. So the answer to your question is yes, your Lincoln may indeed have been built without the vinyl top. However, be advised that some vinyl tops were removed by some owners at a later date because of severe corrosion to the metal under the vinyl, or decomposition of the vinyl top itself. A good body man in your area will able to advise you if yours was removed, or is all original as the seller says.

In any case I am sure that you will enjoy your Lincoln and any time that you may require any parts or manuals etc., be sure to visit our vast website or give us a call. We will be happy to arrange quick delivery to you at any time.



May 6, 2010

1978 Mark Coolant Leak Mystery

Hello Bill,

I hope all is well for you in Lincoln Land.

This might seem like a strange problem to you but here goes. I have some type of a coolant leak. You can leave the car running over a dry surface and no leaks appear. I don't see where there is any fluid coming off the radiator or hoses. It's a fairly fast leak and I have to add coolant about every three days if I'm driving it once a day.

There are no head gasket issues and no smoke from the exhaust, except on start up temporarily and it doesn't smell like coolant and my oil is dark so I know the head gasket is fine, plus if it was leaking that much It would be smoking non stop.

So my big question is where do you think the leak might be coming from and why is there no leak when the engine is running and I'm in park on my driveway???


Confused Lincoln Lover Justin


Greetings Justin -

If you are sure that the internal engine seals and gaskets are ok, the only other way to loose coolant is from an external leak that can be found, or the system is being overfilled when the engine is cold and the excess is disappearing out the overflow system as designed. If you are sure that you are in fact not overfilling, then the best method to find an external leak is to have the cooling system pressurized by using the appropriate Cooling System Pressure Pump that most automotive service shops have. This device can be used on a cold engine and a hot engine (some leaks only appear at certain engine temps). The gauge on this device can be observed for a pressure drop at the same time as the leak will appear to the observant technician. The leak should appear in the usual locations such as radiator, radiator cap, coolant hoses, heater core, water valve, water pump, freeze plugs, etc., etc. If the pressure on the gauge does in fact drop thus indicating a leak and no leak can be seen, then you may indeed have an internal engine leak but I wouldn't lean towards that conclusion until I have fully exhausted all of the other possibilities. Be positive that you are not overfilling the cooling system (there are cold fill markings on the radiator or overflow tank), and that your radiator cap is not defective. The Pressure Pump can also be configured to test the radiator cap.

Some leaks require some time and concentrated automotive detective work, and the location of the leak may surprise you. Please let us know what problem you find so that we may post the information here for others to see.

Good Luck -