Isuzu Trooper Owners Club UK™

Pennywise · ** Joined: 19 Sep 2013 Posts: 71 Location: Derby

Hi all i have a 94 3.1 bighorn and after shes atarted and engine gets up some revs i get belt squeal but dies off after its warmed up. Now the battery wont hold any charge but starts ok off booster pack. Belts seem ok so im Wondering if theres a problem with the altenator. I recentley took it offroading and the engine bay is filthy, maybe contaminted the belt or altenator. Any ideas? Thanks all, Matt

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DYLAN · Posted: Wed Oct 16, 2013 0:14 Post subject:

If the alt has gone through muddy water it will probably be shot. The best thing to do when it has got muddy it to wash it out straight away with clean water, They hate water but wont live through muddy water.

By the way, One post is enough, It will get a reply eventually Wink

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2002 S-TYPE JAGUAR 3.0 SPORT

Pennywise · ** Joined: 19 Sep 2013 Posts: 71 Location: Derby

Ah ......yes theres mud everywhere, do you think giving the alt a bath would save it?

DYLAN · Posted: Wed Oct 16, 2013 1:32 Post subject:

I doubt it if it's dried in there but can't hurt trying. I'd put a multimeter on before doing anything just to make sure.
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2002 S-TYPE JAGUAR 3.0 SPORT

Gribble · Posted: Wed Oct 16, 2013 10:05 Post subject:

Whats the volts gauge doing ? if its reading over 13V the alts probably ok but if its under that it will be lose belt or faulty alternator.
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Pennywise · ** Joined: 19 Sep 2013 Posts: 71 Location: Derby

Thanks for the help so far! Will check volts gauge when i get home. I'll check the belt tension too

Pennywise · ** Joined: 19 Sep 2013 Posts: 71 Location: Derby

Thanks for the help so far! Will check volts gauge when i get home. I'll check the belt tension too

Pennywise · ** Joined: 19 Sep 2013 Posts: 71 Location: Derby

Ignition on, volt gauge reading about 9, both belts seemed quite slack i can push them down about an inch but was dark so couldnt adjust anything. Is the altenator the top left unit and power steering pump top right? Thanks, matt

Pennywise · ** Joined: 19 Sep 2013 Posts: 71 Location: Derby

Hi there i want to get to the alt to tension up the belt is it easier with the rad out? Thanks, Matt

DYLAN · Posted: Thu Oct 17, 2013 18:51 Post subject:

I take it you have got aircon? If so and you still have the original adjuster it can be done but it's tight, There is a locking nut on the rear then use the adjuster to tighten the belt. I'm going from memory as my adjuster is fubared,

Someone else will tell you for sure Wink

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2002 S-TYPE JAGUAR 3.0 SPORT

Pennywise · ** Joined: 19 Sep 2013 Posts: 71 Location: Derby

Yeah got air con its in the flipping way, might just take the rad out make life easier. Thanks for the help

DYLAN · Posted: Thu Oct 17, 2013 19:00 Post subject:

Have a look through the drivers side wheel arch (can't remember for sure but) you might be able to get in from there Wink

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2002 S-TYPE JAGUAR 3.0 SPORT

Pennywise · ** Joined: 19 Sep 2013 Posts: 71 Location: Derby

Here we go.... multimeter reads 12.2 on battery when running so tried battery out of missus' car and it read 13.2 when running in the bighorn... so could it be corrupt battery ?

Pennywise · ** Joined: 19 Sep 2013 Posts: 71 Location: Derby

Time to strip out the alt Sad

if it was a mk5 transit it'd only take 10 mins!

SimonT · * Joined: 16 Oct 2012 Posts: 37 Location: Hindhead

Gribble would say test the volts out the alt on the B+ as what your measuring is the battery volts

But he cant log in Evil or Very Mad