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Why is cadillac deville very hard to start when hot?

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steve h woody

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  • Cars & Trucks Master
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If its a north star motor ,pistons are seizing LET IT COOL DOWN these motors are very bad when overheating ,find out why its overheating and fix it fast if you don't want more problems,these motors have the worst overheating problems up to 2010 they stoped making the motors because of overheating trouble. bolts in heads weaken from overheating and then soon after you have a blowen head gasket.

Posted on Sep 09, 2014

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Denis Aube

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SOURCE: 1999 Caddy Deville A/C problem

A/C systems are hard to diagnose without having access to the vehicle. One of the most common problems is undercharge (Not enough freon in the system) indicating a leak somewhere in the system. Other causes could be a burnt A/C compressor clutch fuse, defective compressor clutch, defective compressor/belt, defective High/Low pressure switches in the system, defective evaporator icing switch, defective wiring... Basically, you're better off getting the system diagnosed by a good A/C knowledgeable mechanic...

Posted on Aug 13, 2008

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Anonymous

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SOURCE: "repost" 83 cad deville won't start after driving when hot

will it start after cooling off? if so , check for fuel lines near anything that can get hot..(vapor lock) insulate or move them..

Posted on Jun 02, 2009

brandon day

  • 173 Answers

SOURCE: prndl switch problem error code e91 and ee 91.92 cadillac deville

the switch on top of the transmission where the shift cable is . it probly is not anny good. check all wiring . make sure thair is no dirt inside the connector

Posted on Mar 24, 2010

duane_wong

Duane Wong

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SOURCE: 1998 DeVille: 1999 cadillac deville drver side heat blows hot pa...

The blend door for the passenger side is not connected right or functioning correctly. Try seeing if the dial on the armrest on the passenger side is not rotated one way or the other too much.

Posted on Sep 20, 2010

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1 Answer

Why cadillac deville won't start when hot?


Sounds like the module inside the distributor is starting to fail. If the engine turns over at normal speed but won't start then grab a spark checker and put it at the end of a spark plug wire and crank the engine. If if sparks then you have a fuel problem. If no spark then look to the distributor module or possibly the wiring harness inside the distributor. I have seen where the power wire, pink I believe, goes open at the black plastic box connector inside the distributor and can be tested with an ohmmeter. If that is the problem then replace the 2 wiring harnesses that make up the distributor wiring harness because the plastic connector will break apart when trying to remove the terminal and that makes it difficult to put back together. Hope that helps

Sep 08, 2014 | 1994 Cadillac DeVille

1 Answer

1998 DeVille: 1999 cadillac deville drver side heat blows hot pa...


The blend door for the passenger side is not connected right or functioning correctly. Try seeing if the dial on the armrest on the passenger side is not rotated one way or the other too much.

May 15, 2010 | 1998 Cadillac DeVille

1 Answer

Power, but can not start


Try to quickly engage and disengage the starter motor by rotating the key all the way forward and back to ignition on only, and back again several times a second until the starter motor engages.

Sounds like the starter motor solenoid is sticking, maybe.

This happens on my 1997 Cadillac Deville sometimes on hot summer days or even in the winter.

I thought it was the security system, at first, but it is more likely a starter motor going bad.

Apr 13, 2010 | 1996 Cadillac DeVille

1 Answer

97 cadillac deville starting disabled car will not restart.


Like they say, "Cadillacs are easy to break into, but hard to steal!"

Aug 08, 2009 | 1997 Cadillac DeVille

1 Answer

AC BLOWER MOTOR GETS HOT THEN TURN OFF.


I HAVE A 1998 CADILLAC DEVILLE,THE AC BLOWER MOTOR GETS HOT AND TURN OFF AND WONT TURN BACK ON UNTIL IT COOL OFF, WHAT IS THIS PROBLEM?

Jul 04, 2009 | 1999 Cadillac DeVille

1 Answer

Prndl switch problem error code e91 and ee 91.92 cadillac deville


the switch on top of the transmission where the shift cable is . it probly is not anny good. check all wiring . make sure thair is no dirt inside the connector

Jun 08, 2009 | 1996 Cadillac DeVille

1 Answer

"repost" 83 cad deville won't start after driving when hot


will it start after cooling off? if so , check for fuel lines near anything that can get hot..(vapor lock) insulate or move them..

Jun 02, 2009 | 1983 Cadillac DeVille

1 Answer

1999 cadillac deville hard starting after its drove


TPS throttle position sensor needs cleaning or replacment. or if you run the tank low on fuel you might be needing to replace fuel pump and filter.

May 15, 2009 | 1999 Cadillac DeVille

1 Answer

1999 Caddy Deville A/C problem


A/C systems are hard to diagnose without having access to the vehicle. One of the most common problems is undercharge (Not enough freon in the system) indicating a leak somewhere in the system. Other causes could be a burnt A/C compressor clutch fuse, defective compressor clutch, defective compressor/belt, defective High/Low pressure switches in the system, defective evaporator icing switch, defective wiring... Basically, you're better off getting the system diagnosed by a good A/C knowledgeable mechanic...

Aug 09, 2008 | 1999 Cadillac DeVille

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