Air filter hose
#1
Air filter hose
1986 XJ6 4.2L coming out of storage (17 yrs).
Noticed hose near back of air filter that goes forward and up to metal pipe that in turn goes across top front of engine,,,hose is "torn" beneath screw clamp. How do I identify damaged hose and find part #, source, etc? I've very limited mechanical knowledge and I'm not adept in finding my way around various forums here.
I've had new brakes and shocks installed as well as new battery. Was told I need new alternator. Volt meter on dash reads hair above 13V. Is there another way of checking alternator? Car is starting/running fine. Any help would be great...thanks
Noticed hose near back of air filter that goes forward and up to metal pipe that in turn goes across top front of engine,,,hose is "torn" beneath screw clamp. How do I identify damaged hose and find part #, source, etc? I've very limited mechanical knowledge and I'm not adept in finding my way around various forums here.
I've had new brakes and shocks installed as well as new battery. Was told I need new alternator. Volt meter on dash reads hair above 13V. Is there another way of checking alternator? Car is starting/running fine. Any help would be great...thanks
#2
Is it the expansion hose with the expansion ribbing ?
Alternator light along with reading about 13.5 - 14.5 DC volts on the large B + post on the alternator while running as you put a separate meter on it . The instrument gauge is to be disregarded in this test .
Any auto parts store will test this alternator along with a suspect new battery for free for a second opinion .
You can remove the alternator and they have a spin up machine if your car can't drive it there .
Alternator light along with reading about 13.5 - 14.5 DC volts on the large B + post on the alternator while running as you put a separate meter on it . The instrument gauge is to be disregarded in this test .
Any auto parts store will test this alternator along with a suspect new battery for free for a second opinion .
You can remove the alternator and they have a spin up machine if your car can't drive it there .
Last edited by Lady Penelope; 04-28-2018 at 03:01 PM.
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Don B (04-28-2018)
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1986 XJ6 4.2L coming out of storage (17 yrs).
Noticed hose near back of air filter that goes forward and up to metal pipe that in turn goes across top front of engine,,,hose is "torn" beneath screw clamp. How do I identify damaged hose and find part #, source, etc? I've very limited mechanical knowledge and I'm not adept in finding my way around various forums here.
Noticed hose near back of air filter that goes forward and up to metal pipe that in turn goes across top front of engine,,,hose is "torn" beneath screw clamp. How do I identify damaged hose and find part #, source, etc? I've very limited mechanical knowledge and I'm not adept in finding my way around various forums here.
Later I'll try to a get a part number for you
I've had new brakes and shocks installed as well as new battery. Was told I need new alternator. Volt meter on dash reads hair above 13V. Is there another way of checking alternator? Car is starting/running fine. Any help would be great...thanks
You normally want to see about 13.5-14.2 volts. You may be OK, though, as the voltmeters on these cars tend to be a bit lazy and low reading.
You have a "Series III" XJ6 so you're better off posting in that section
Cheers
DD
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Eggdoc:
1. Welcome to the forum. Help and fun abounds here. Sense of humor a requirement.
2. Long ago on another forum a guy coined a word. I liked it so much I popularized it. electrickery. At times, I think I understand electrics, but then realize I really am barely familiar with it. But, I keep messing with it,
I sugest investing in two things. One is free here, I think! The S57 Jaguar electrical schematic. The clearest and best I've seen. Serves as a geeric tutorial as well as a specific to the car.
And a small electrical DVM meter. Harbor freight has decent ones cheap. I have three!!! One digital one analog and one that reads by inductance. Each has basic instructions on how to use it. I keep them in their boxes along with the documents!!!
I created a "patch cord". to connect my meter set for DC volts to the car via the cigar lighter outlet. Far better than the fascia unit Volts in real time at various loads and rpm's. Easy to see what the alternator is doing or not doing!!! Kinda fun as well.....
Carl
1. Welcome to the forum. Help and fun abounds here. Sense of humor a requirement.
2. Long ago on another forum a guy coined a word. I liked it so much I popularized it. electrickery. At times, I think I understand electrics, but then realize I really am barely familiar with it. But, I keep messing with it,
I sugest investing in two things. One is free here, I think! The S57 Jaguar electrical schematic. The clearest and best I've seen. Serves as a geeric tutorial as well as a specific to the car.
And a small electrical DVM meter. Harbor freight has decent ones cheap. I have three!!! One digital one analog and one that reads by inductance. Each has basic instructions on how to use it. I keep them in their boxes along with the documents!!!
I created a "patch cord". to connect my meter set for DC volts to the car via the cigar lighter outlet. Far better than the fascia unit Volts in real time at various loads and rpm's. Easy to see what the alternator is doing or not doing!!! Kinda fun as well.....
Carl
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Cheers
DD
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Your alternator is supplying sufficient voltage to charge the battery, though there could still be a problem with voltage regulation or one or more rectifier diodes.
However, your battery is not well charged. In a 12 volt lead acid battery, a static charge of 12.3 volts indicates that it is only 60-65% charged:
Many auto parts stores have electrical system analyzers that can load test your battery and check your alternator for problems such as excessive AC ripple, indicating diode failure, or poor voltage regulation. Typically they will run these tests for free.
Cheers,
Don
Last edited by Don B; 04-30-2018 at 01:02 PM.
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yachtmanbuttson (04-30-2018)
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