86 Cherokee overheating problem
08-16-2004, 06:45 PM
#31
Guest
Posts: n/a
Re: 86 Cherokee overheating problem
I think I have repaired the overheating problem at last. I removed the
radiator to change it over to a two row unit and found that the area between
the A/C radiator and engine radiator was almost completely clogged up with
dirt and leaves. I went ahead and changed the radiator but the old one
looks good now that it can breathe. Ran the vehicle up a couple of hills
and the temperature stayed down where it should. Thank you everybody for
your help. Don Smith
"Don Smith" <desmith@innercite.com> wrote in message
news:10hs8sgt6ct7s01@corp.supernews.com...
> Good evening,
> I have a 1986 Jeep Cherokee Pioneer with a 2.46L 4-150 engine with an
> overheating problem. I just purchased it as a basket case and am trying
to
> get it back on the road again. I found that there were two bad valves in
> the number two cylinder. The intake valve was burned through with a large
> grove across the face. The exhaust valve had gotten so hot that it had
> Cupped and sat too low in the seat. The head had a complete professional
> valve job and was shaved slightly to ensure it was not warped. After it
was
> installed the engine ran rich and I found a hose was disconnected from the
> Mapp sensor. I also found that someone had installed the wrong O2 sensor
> and it was replaced with the correct one. The radiator has been flushed a
> couple of times and now seems clean. There is a slight leak in the
radiator
> between the converter and muffler. It seems to idle fine but has a
> sluggish pickup in engine RPM. Also backfires once in a while and wants
to
> get hot climbing even a small hill. Timing seems to be slightly higher
than
> 12 BTDC. Have not checked the fuel filter as of yet. I cannot seem to
find
> any information as to the correct hose connections that had to be removed
> when doing the valve job. All seem to be correct but cannot tell for
sure.
> Can you advise any other areas to check and perhaps point me to a site
where
> the hose diagram might be found? Thanks Don Smith
>
>
>
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.735 / Virus Database: 489 - Release Date: 8/11/04
>
>
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
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radiator to change it over to a two row unit and found that the area between
the A/C radiator and engine radiator was almost completely clogged up with
dirt and leaves. I went ahead and changed the radiator but the old one
looks good now that it can breathe. Ran the vehicle up a couple of hills
and the temperature stayed down where it should. Thank you everybody for
your help. Don Smith
"Don Smith" <desmith@innercite.com> wrote in message
news:10hs8sgt6ct7s01@corp.supernews.com...
> Good evening,
> I have a 1986 Jeep Cherokee Pioneer with a 2.46L 4-150 engine with an
> overheating problem. I just purchased it as a basket case and am trying
to
> get it back on the road again. I found that there were two bad valves in
> the number two cylinder. The intake valve was burned through with a large
> grove across the face. The exhaust valve had gotten so hot that it had
> Cupped and sat too low in the seat. The head had a complete professional
> valve job and was shaved slightly to ensure it was not warped. After it
was
> installed the engine ran rich and I found a hose was disconnected from the
> Mapp sensor. I also found that someone had installed the wrong O2 sensor
> and it was replaced with the correct one. The radiator has been flushed a
> couple of times and now seems clean. There is a slight leak in the
radiator
> between the converter and muffler. It seems to idle fine but has a
> sluggish pickup in engine RPM. Also backfires once in a while and wants
to
> get hot climbing even a small hill. Timing seems to be slightly higher
than
> 12 BTDC. Have not checked the fuel filter as of yet. I cannot seem to
find
> any information as to the correct hose connections that had to be removed
> when doing the valve job. All seem to be correct but cannot tell for
sure.
> Can you advise any other areas to check and perhaps point me to a site
where
> the hose diagram might be found? Thanks Don Smith
>
>
>
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.735 / Virus Database: 489 - Release Date: 8/11/04
>
>
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.737 / Virus Database: 491 - Release Date: 8/11/04
08-16-2004, 06:45 PM
#32
Guest
Posts: n/a
Re: 86 Cherokee overheating problem
I think I have repaired the overheating problem at last. I removed the
radiator to change it over to a two row unit and found that the area between
the A/C radiator and engine radiator was almost completely clogged up with
dirt and leaves. I went ahead and changed the radiator but the old one
looks good now that it can breathe. Ran the vehicle up a couple of hills
and the temperature stayed down where it should. Thank you everybody for
your help. Don Smith
"Don Smith" <desmith@innercite.com> wrote in message
news:10hs8sgt6ct7s01@corp.supernews.com...
> Good evening,
> I have a 1986 Jeep Cherokee Pioneer with a 2.46L 4-150 engine with an
> overheating problem. I just purchased it as a basket case and am trying
to
> get it back on the road again. I found that there were two bad valves in
> the number two cylinder. The intake valve was burned through with a large
> grove across the face. The exhaust valve had gotten so hot that it had
> Cupped and sat too low in the seat. The head had a complete professional
> valve job and was shaved slightly to ensure it was not warped. After it
was
> installed the engine ran rich and I found a hose was disconnected from the
> Mapp sensor. I also found that someone had installed the wrong O2 sensor
> and it was replaced with the correct one. The radiator has been flushed a
> couple of times and now seems clean. There is a slight leak in the
radiator
> between the converter and muffler. It seems to idle fine but has a
> sluggish pickup in engine RPM. Also backfires once in a while and wants
to
> get hot climbing even a small hill. Timing seems to be slightly higher
than
> 12 BTDC. Have not checked the fuel filter as of yet. I cannot seem to
find
> any information as to the correct hose connections that had to be removed
> when doing the valve job. All seem to be correct but cannot tell for
sure.
> Can you advise any other areas to check and perhaps point me to a site
where
> the hose diagram might be found? Thanks Don Smith
>
>
>
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.735 / Virus Database: 489 - Release Date: 8/11/04
>
>
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.737 / Virus Database: 491 - Release Date: 8/11/04
radiator to change it over to a two row unit and found that the area between
the A/C radiator and engine radiator was almost completely clogged up with
dirt and leaves. I went ahead and changed the radiator but the old one
looks good now that it can breathe. Ran the vehicle up a couple of hills
and the temperature stayed down where it should. Thank you everybody for
your help. Don Smith
"Don Smith" <desmith@innercite.com> wrote in message
news:10hs8sgt6ct7s01@corp.supernews.com...
> Good evening,
> I have a 1986 Jeep Cherokee Pioneer with a 2.46L 4-150 engine with an
> overheating problem. I just purchased it as a basket case and am trying
to
> get it back on the road again. I found that there were two bad valves in
> the number two cylinder. The intake valve was burned through with a large
> grove across the face. The exhaust valve had gotten so hot that it had
> Cupped and sat too low in the seat. The head had a complete professional
> valve job and was shaved slightly to ensure it was not warped. After it
was
> installed the engine ran rich and I found a hose was disconnected from the
> Mapp sensor. I also found that someone had installed the wrong O2 sensor
> and it was replaced with the correct one. The radiator has been flushed a
> couple of times and now seems clean. There is a slight leak in the
radiator
> between the converter and muffler. It seems to idle fine but has a
> sluggish pickup in engine RPM. Also backfires once in a while and wants
to
> get hot climbing even a small hill. Timing seems to be slightly higher
than
> 12 BTDC. Have not checked the fuel filter as of yet. I cannot seem to
find
> any information as to the correct hose connections that had to be removed
> when doing the valve job. All seem to be correct but cannot tell for
sure.
> Can you advise any other areas to check and perhaps point me to a site
where
> the hose diagram might be found? Thanks Don Smith
>
>
>
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.735 / Virus Database: 489 - Release Date: 8/11/04
>
>
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.737 / Virus Database: 491 - Release Date: 8/11/04
08-16-2004, 06:45 PM
#33
Guest
Posts: n/a
Re: 86 Cherokee overheating problem
I think I have repaired the overheating problem at last. I removed the
radiator to change it over to a two row unit and found that the area between
the A/C radiator and engine radiator was almost completely clogged up with
dirt and leaves. I went ahead and changed the radiator but the old one
looks good now that it can breathe. Ran the vehicle up a couple of hills
and the temperature stayed down where it should. Thank you everybody for
your help. Don Smith
"Don Smith" <desmith@innercite.com> wrote in message
news:10hs8sgt6ct7s01@corp.supernews.com...
> Good evening,
> I have a 1986 Jeep Cherokee Pioneer with a 2.46L 4-150 engine with an
> overheating problem. I just purchased it as a basket case and am trying
to
> get it back on the road again. I found that there were two bad valves in
> the number two cylinder. The intake valve was burned through with a large
> grove across the face. The exhaust valve had gotten so hot that it had
> Cupped and sat too low in the seat. The head had a complete professional
> valve job and was shaved slightly to ensure it was not warped. After it
was
> installed the engine ran rich and I found a hose was disconnected from the
> Mapp sensor. I also found that someone had installed the wrong O2 sensor
> and it was replaced with the correct one. The radiator has been flushed a
> couple of times and now seems clean. There is a slight leak in the
radiator
> between the converter and muffler. It seems to idle fine but has a
> sluggish pickup in engine RPM. Also backfires once in a while and wants
to
> get hot climbing even a small hill. Timing seems to be slightly higher
than
> 12 BTDC. Have not checked the fuel filter as of yet. I cannot seem to
find
> any information as to the correct hose connections that had to be removed
> when doing the valve job. All seem to be correct but cannot tell for
sure.
> Can you advise any other areas to check and perhaps point me to a site
where
> the hose diagram might be found? Thanks Don Smith
>
>
>
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.735 / Virus Database: 489 - Release Date: 8/11/04
>
>
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.737 / Virus Database: 491 - Release Date: 8/11/04
radiator to change it over to a two row unit and found that the area between
the A/C radiator and engine radiator was almost completely clogged up with
dirt and leaves. I went ahead and changed the radiator but the old one
looks good now that it can breathe. Ran the vehicle up a couple of hills
and the temperature stayed down where it should. Thank you everybody for
your help. Don Smith
"Don Smith" <desmith@innercite.com> wrote in message
news:10hs8sgt6ct7s01@corp.supernews.com...
> Good evening,
> I have a 1986 Jeep Cherokee Pioneer with a 2.46L 4-150 engine with an
> overheating problem. I just purchased it as a basket case and am trying
to
> get it back on the road again. I found that there were two bad valves in
> the number two cylinder. The intake valve was burned through with a large
> grove across the face. The exhaust valve had gotten so hot that it had
> Cupped and sat too low in the seat. The head had a complete professional
> valve job and was shaved slightly to ensure it was not warped. After it
was
> installed the engine ran rich and I found a hose was disconnected from the
> Mapp sensor. I also found that someone had installed the wrong O2 sensor
> and it was replaced with the correct one. The radiator has been flushed a
> couple of times and now seems clean. There is a slight leak in the
radiator
> between the converter and muffler. It seems to idle fine but has a
> sluggish pickup in engine RPM. Also backfires once in a while and wants
to
> get hot climbing even a small hill. Timing seems to be slightly higher
than
> 12 BTDC. Have not checked the fuel filter as of yet. I cannot seem to
find
> any information as to the correct hose connections that had to be removed
> when doing the valve job. All seem to be correct but cannot tell for
sure.
> Can you advise any other areas to check and perhaps point me to a site
where
> the hose diagram might be found? Thanks Don Smith
>
>
>
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.735 / Virus Database: 489 - Release Date: 8/11/04
>
>
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.737 / Virus Database: 491 - Release Date: 8/11/04
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