Jeep Comanche Questions Maintenance & Repair

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No Fire In Plugs

Hard to start twice but finally caught and ran normally - now will not start - Tried starting fluid in intake no good. pulled one plug and no fire at all. What is the most logical issue?


Misalignment Problems

I recently installed a factory reman engine. Now it chirps and squeals and is tearing up my serpentine belt. Put new motor mounts in at the time. Any suggestions for checking alignment would help. Th...

12 views with 1 answer (last answer 6 months ago)
Richard McInnis

Starts Up, Runs Fine For 10 Minutes Or So And Dies. Seems Like Somethings C...

Will restart after it sits for several hours but the same thing will occur after running a short while. I suspect the ECU but hate to miss on a $200 part.

26 views with 2 answers (last answer 8 months ago)

Problem With Charging/cooling... Linked?

I have a 1988 Comanche that I bought well used back in '07. Soon after, I had to replace the water pump and thermostat. After that, it would never get up to full temperature. Even on a 90 degree day...

22 views with 9 answers (last answer 8 months ago)

Why Are My Marks Not Lining Up?

My timing chain is stretched. The marks on my sprockets line up but the mark on my crank wheel doesn't line up with the marks on the timing cover when cylinder 1 is at tdc compression stroke. Not ...

67 views with 6 answers (last answer 10 months ago)
Charlene Redd

What Vehicles Interchange With 88 Jeep Comanche 4x4 Front Brake Rotors?

My fr. Drivers tire fell off while driving 35 mph. I need to replace the rotor ect. I need to know what vehicals will match.

190 views with 5 answers (last answer 11 months ago)

Can A 1987 Jeep Comanche Transfer Case Fit A 1988 Comanche?

I need to find a 1988 Transfer Case for my Comanche. I am seeing a lot of NP231 in 1987 and 1989. I am also finding NP231 for the Cherokee? Can I use either one of these in my jeep.

40 views with 1 answer (last answer about a year ago)

I'm About To Swap A 98 Cherokee 4.0 Liter In To My 87 Jeep Comanche With 4....

Why couldn't I just swap the entire old injection system off of my old truck and save the trouble of the fuel problems...??? Is that possible??? My old engine has a cracked head and I'm bout to st...

81 views with 1 answer (last answer about a year ago)

Have A 88 Jeep Camanche, Fuel Injected, 6 Cyl. Has Run Great Since Bought ...

35 views with 1 answer (last answer about a year ago)

What's Wrong With Our 1988 Jeep Cherokee?

It feels like our jeep's all four wheels are going to fall off, out of nowhere, terribly violent. It has happened 3 or 4 times yet when we took it to the shop, twice, they've found nothing wrong.

67 views with 1 answer (last answer about a year ago)

Doesn't Start Easily..

90 jeep comanche truck. Changed alternator and ignition switch, good battery. What else could be the reason why it is challenging to get it started. Sometimes when I move the battery posts it star...

75 views with 3 answers (last answer about a year ago)

How Do I Avoid Air Locks When Refilling Coolant? 86 2.5 I-4 Amc

New pump,rad,stat,flush.doesn't seem to!

88 views with 1 answer (last answer about a year ago)

No Electrical Power To Any System.

The truck is a 4.0 l. w auto transmission. I tried to start the truck within a minute of coming home and turning it off. The engine would not turn over and nothing else that required electricity wo...

72 views with 2 answers (last answer about a year ago)
Lorraine Barbato

Why My 89 Jeep Comanche Runs Hot? New Water Pump And Thermostat I Just Put...

u can fill the water tank start it let it run about 5 minutes and water is spewing out from under cap.. is there a flap valve at front of engine that may be clogged and causing water not to flo...

148 views with 1 answer (last answer 2 years ago)

I Just Got A 1989 Jeep Comanche 4.0l 5 Speed. The Engine Has 279,000 Miles ...

I ordered a new radiator also but if it dosent work what year engines are compatabe with it and where can I buy a complete new engine?

139 views with 2 answers (last answer about a year ago)

How To Install Alternator Belt 1987 Jeep Comanche

115 views with 2 answers (last answer 10 months ago)

4.0 L Starts Runs 10-12 Mins Dies ,will Not Restart. Wait 30 Mins, Starts, ...

89 jeep Comanche 4.0 L new, plugs, Rotor, Dist. Cap Coil, Wires, Ballast Resistor, Ign., module, Reman., Dist., Starts & runs fine for 10-12 minuets. Dies and will not start until cool, 30 mins. or s...

582 views with 5 answers (last answer about a year ago)

I Have A Manual Jeep That Cuts Off While Driving Down The Road But Immediat...

My jeep cuts off while driving down the road. However, I can immediately crank it right back up. It seems to happen after I have driven the vehicle for a few miles and when I slow down before comi...

152 views with 4 answers (last answer 2 years ago)

I Have A 91 Jeep Comanche Truck It Starts But Doesn't Stay Running

When I start it up turn on any electrical and put it in gear it dies and won't stay running. I've changed some things out on it and still does the same thing what could be the problem?

147 views with 1 answer (last answer 2 years ago)
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