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1987 jeep four cylinder rebuilt motor has blow by

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Valve blow by or rings

Posted on Oct 29, 2012

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We just changed out the control panel for my 1987 jeep comanche and it will not blow out heat There was 5 prongs and 4 wires is there a digram for this installation


Sure it was the switch? there are three things that go bad on the heaters. First thing is the blower resistor. the second is the blower motor and third is the switch. The go bad in that order most of the times. I replace a lot of resistors, some blowers and rarely the control panel/switch.

Dec 23, 2014 | 1987 Jeep Comanche

1 Answer

Ask where is asd fuse located on 90 jeep cherkoee


old post and is key question on old jeeps
no engine stated. guess 4L
the ASD began 1990 to present.
the ANSWER IS BELOW.
the car did not have and ASD until your car was 100% Chrysler EFI. The goofy French EFI has none .
ASD and the 3 second rules and 6 to 8 failure classes to trip it.
none. some jeeps changed in 1993,


  • 1986 - Renix TBI available on Jeep 2.5 L four-cylinder engines.
  • 1987 - the new Renix controlled 4.0 L six-cylinder engine was rated at 173 hp (129 kW; 175 PS) and 220 lb·ft (298 N·m) of torque.
  • 1988 - 4.0 L output increased to 177 hp (132 kW; 179 PS) and 224 lb·ft (304 N·m) of torque, due to higher compression ratio. Renix still TBI
  • 1989 - Changed to Renix MPFI. (4 injectors now)
  • 1991 - Chrysler Corporation (then the owners of the Jeep brand replaced the Renix control system with OBD-I-compliant control electronics, the Chrysler HO EFI) with check engine light.(and flash codes)

Jul 02, 2014 | 1990 Jeep Cherokee Limited

1 Answer

Blow-by on rebuilt four cylindir motor


check comprsion that will tell you what cylinder

Oct 28, 2012 | 1987 Jeep Cherokee

1 Answer

2000 A6 BLOWS #25 FUSE


A/C keeps blowing the fuse after I got it recharged. Its the R-12 system and it seemed to be ok before but now I got it recharged and replaced the blower motor in the front and now as soon as I turn it on it blows the fuse. I replaced the 3 fuse black and even rewired the fuses then took off the connectors tot he rotary switch and replaced those but it still blows the fuse. Any suggestions?

Could I have messed something up on installing the blower motor. __________________
Currently own:
1980 911SC slantnose
1991 Honda Accord -daily driver (1991 Honda Accord #2 - just because)
2003 Acura TL Type-S (2006 Honda Odyssey w/ DVD)

Gone but missed:
1988 Mazda RX-7 Turbo II (1991 Jeep Wrangler Renegade)
1984 Jeep CJ-7 (1994 Chevy Blazer)
1987 Chevy Corvette (1996 Mustang Cobra)
1993 Jeep Wrangler (1995 Mustang GT Conv.)
2003 Ford Explorer Sport Trac (1987 BMW M6)


Future: Hopefully not too far off
Ferrari Testarossa (Lamboghini Diablo or Countach)
please comment on these solution

Dec 20, 2010 | Audi A6 Cars & Trucks

1 Answer

It has a four cylinder engine and i need to know if its an interference motor or not and if it has a timing belt or change


Hello placecraft
Only one 4 cylinder engine is listed for the 87 nissan pickup, a 2.4L and
this engine has a chain not a belt, and it's not an interference engine.
Hope this helps.

Aug 09, 2010 | 1987 Nissan Pickup

1 Answer

Firing order


I sincerely apologize for the late response...Due to the bad economic situation this site has had a substantial (+50%) increase in the number of questions being asked in the last four months.

I am not sure if you have the 2.5L or 4.0L. However I have included both below.

For the 2.5L (4-cylinders):
Firing Order:
1-3-4-2
Cylinders:
4
3
2
1
(front of vehicle)
Distributor:
---------------(+) screw)
-----3
-----------------4
1
----------2
(+)screw
(front of vehicle)

For the 4.0L (6-cylinders):
Firing Order:
1-5-3-6-3-4
Cylinders:
6
5
4
3
2
1
(front of vehicle)
Distributor:
.....5.....3....(+) screw
1...............6
(+).4.....2
(front of vehicle)


Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!

Jan 23, 2010 | 1987 Jeep Comanche

1 Answer

My car sat for about 5 months in the yard. Clutch and transmission are new rebuilt. Went to move the car clutch went to the floor and stayed there. What can I do?


Sounds like you either need to bleed the clutch slave cylinder, or you need to rebuild or replace the clutch master cylinder and slave cylinder. You might want to check with the shop that replaced the clutch and rebuilt the transmission. It may be covered under their warrantee.

Dec 24, 2009 | 1987 Nissan 300ZX

1 Answer

I lost compression in one cylinder an it is the # 2 cylinder


Lost of compression is due to either leaking head gasket, valves not closing and seal properly or piston rings are worn and need replacing. One can tell if you have bad head gasket, oils contaminated by water when looking at dip stick, bad valves cause some smoke and run rough, worn piston rings will cause lots of blow-by and will cause white smoke heavily and also runs rough. Being 1968 original motor and never have been rebuilt will probably have over 100k mile will be needing tear down and rebuilt. Rebuilt it correctly will get another 100k plus. being 1968, doing your head and valves job or replacing head gasket if that is the problems and you can get by it. worn rings, I would rebuilt it completely instead repairing one or two cylinder unless you plan to get rid of it.

Jun 26, 2009 | 1989 Oldsmobile Cutlass Ciera

1 Answer

Jeep Wrangler 1998 Sport Four Wheel Drive stuck in high


Try putting the car in neutral first. Try going in reverse while shifting out of 4wd.

Mar 10, 2009 | 1987 Jeep Wrangler

1 Answer

Distrbutor to spark plug wiring


Hey there janandshane,

I've got a 91 Wrangler, lots of fun. Here's your info.

Viewed from above, front of vehicle on the right side, cylinder locations are:
6 5 4 3 2 1 for a six cylinder and 4 3 2 1 for a four Cylinder

The firing order is:
1 5 3 6 2 4 for the six and 1 3 4 2 for the four.

The distributor rotation is clockwise.

To find Top dead center (for wire to cylinder #1 on distributor), look for and line up the timing marks on the crankshaft (front of the engine).

Or, pull the #1 spark plug, stuff the hole with a cork or a rag. Slowly crank the engine until the cork pops out.

Pull the distributor off. The rotor is pointing where the plug for cylinder #1 should go. The rest of the wires go in the firing order clockwise.

That about covers it.

Remember: Good things come to those who rate. How about a nice FixYa?

Mike

Aug 16, 2008 | 1987 Jeep Wrangler

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